SỐ 1/20061 Moät soá loaøi boï tró chính, möùc ñoä gaây haïi vaø söï phaùt sinh phaùt trieån

cuûa chuùng treân döa haáu taïi Ñöùc Hoaø tænh Long An, 2004Some species of thrips at Duc Hoa district of Long An province: their damage and propagation on watermelon

Nguyeãn Thò Chaét vaø Phaïm Thò Ngoïc Aùnh 7 Söï phaùt sinh vaø phaùt trieån cuûa saâu ñuïc thaân Ostrinia furnacalis

Gueneùe treân baép neáp taïi huyeän Phuù Hoaø tænh Phuù Yeân, naêm 2003-2004The seasonal abundance and distribution of stalk borer Ostrinia furnacalis Guenee on sticky corn in Phu Hoa district, Phu Yen province, 2003-2004

Nguyeãn Thò Chaét, Traàn Hueä Hoa Huieàn Huieàn13 Keát quaû nghieân cöùu böôùc ñaàu veà chuoàn chuoàn coû Chrysopa sp.1 vaø

Chrysopa sp.2 (Neuroptera: Chrysopidae)Some finding on green lacewings C hrysopa sp.1 and C hrysopa sp.2 (Neuroptera: Chrysopidae)

Vuõ Thò Nga19 Laù khoai mì (Manihot esculenta Crantz) doøng cuoáng traàu

Study on somatic embryogenesis from leaf derived callus in cassava Manihot esculenta Crantz cv. cuong trau

Ñoaøn Thò Phöông Thuøy, Buøi Trang Vieät24 Vai troø cuûa caùc chaát ñieàu hoøa taêng tröôûng thöïc vaät trong söï phaùt

trieån cuûa phaùt hoa Dendrobium soniaRoles of plant growth regulators on development of Dendrobium sonia inflorescence

Trònh Caåm Tuù vaø Buøi Trang Vieät29 Tình hình nhieãm salmonella trong phaân vaø thòt boø, heo, gaøø taïi moät soá

tænh mieàn Ñoâng Nam boäThe prevalence of Salmonella in faeces and carcass of cattle, pig and poultry in some provinces of Eastern Vietnam

Voõ Thò Traø An, Nguyeãn Ngoïc Tuaân,Leâ Höõu Ngoïc vaø Vaên Thieân Baûo

33 Keát quaû nghieân cöùu veà phaåm chaát tinh dòch vaø moâi tröôøng baûo quaûn tinh dòch gaø aùcFindings from the study on semen quality of silky chickens and extenders

Quaùch Tuyeát Anh, Cheá Minh Tuøng,Traàn Phöông Vuõ, Phaïm Thò Hieân,

Trònh Coâng Thaønh37 Thay ñoåi cuûa phaåm chaát tinh dòch heo theo kieåu gen thuï theå Estrogen

vaø haøm löôïng kích thích toá sinh duïc trong maùuChange of boar semen quality in genotypes of Estrogen receptor gene and concentration of reproductive hormones in blood

Traàn Thò Daân, Nguyeãn Ngoïc Tuaân,Leâ Thò Thanh Hueä

40 Khaû naêng sinh saûn cuûa heo naùi khi boå sung Prostaglandin vaøo tinh dòch hoaëc tieâm Oxytocin

Reproductive performance of sow when adding Prostaglandin to semen or injecting Oxytocin to sow

Traàn Thò Daân, Phaïm Huøng Sôn43 Nghieân cöùu moái quan heä giöõa theå troïng vaø voøng ngöïc boø söõa lai

Holstein Friesian taïi moät soá traïi khu vöïc Tp. Hoà Chí Minh vaø mieàn Ñoâng Nam boäRelationship between liveweight and heart girth of Holstein-Friesian-crossbred cows of some dairy farms in Ho Chi Minh City and South-Eastern region of Vietnam

Leâ Phan Duõng, Trònh Coâng Thaønh46 Khaûo saùt beänh tích ñaïi theå vaø vi theå treân gaø nhieãm Leucocytozoon

Pathogical and histopathogical lesions of Leucocytozoon infection in chickenLaâm Thò Thu Höông

51 Tình hình nhieãm Eimeria vaø Cryptosporidium treân beâ söõa nuoâi taïi khu vöïc thaønh phoá Hoà Chí Minh vaø tænh Ñoàng NaiPrevalence of Eimeria and Cryptosporidium infections in dairy calves at some farms in Ho Chi Minh City and Dong Nai Province

Laâm Thò Thu Höông56 AÛnh höôûng cuûa boät caù taïp vaø baùnh daàu döøa trong moâi tröôøng daï

coû boø lai sind nuoâi thòt taïi tænh An GiangEffects of fish meal and copra meal on rumen environment of Sindhi*local steers in An Giang province

Ñoaøn Höõu Löïc61 Khaûo saùt moät soá haèng soá sinh lyù sinh hoùa maùu vaø nöôùc tieåu heo

Study of some physiological and biochemical parameters of blood & urine of pigHuyønh Thò Baïch Yeán

67 Toàn dö khaùng sinh ôû söõa boø trong thôøi gian ñieàu trò vieâm vuù tieàm aånResidue of antibiotic in cow milk during subclinical mastitis treatment

Nguyeãn Vaên Phaùt,Nguyeãn Traàn Thanh Anh

70 So saùnh hieäu quaû söû duïng cheá phaåm acid höõu cô boå sung vaøo thöùc aên ñeå kích thích taêng tröôûng vaø phoøng beänh tieâu chaûy treân heo con sau cai söõaA comparison of effects of some organic acid products supplemented in feed of post weaning piglets for growth promotion and diarrhea prevention

Ñaëng Minh Phöôùc, Döông Thanh Lieâm 73 Nghieân cöùu söû duïng cheá phaåm acid boå sung vaøo thöùc aên ñeå kích

thích taêng tröôûng vaø phoøng beänh tieâu chaûy treân heo con sau cai söõaEffects of some organic acid products supplemented in feed of post weaning piglets for growth promotion and diarrhea prevention

Ñaëng Minh Phöôùc, Döông Thanh Lieâm 76 Phaân laäp Aspergillus flavus coù khaû naêng sinh aflatoxin cao töø baùnh

daàu phoäng bò moác

Isolation of strongly aflatoxigenic strains of Aspergillus flavus from mouldy groundnut cake

Leâ Anh Phuïng, Nguyeãn Thò Kim Loan,Traàn Baéc Vi

79 Ñieàu tra beänh ung khí thaùn treân ñaøn boø huyeän ñaûo Phuù quoácStudy of the black-leg in cattle in Phu Quoc island

Phaïm Vaên Quang, Ñinh Coâng Thaän,Leâ Anh Phuïng

83 Heä sinh thaùi vi sinh trong quaù trình loùc thòt gaø vaø tieàm naêng cuûa heä vi sinh naøy ñoái vôùi vaán ñeà an toaøn thöïc phaåmMicrobial ecology of commercial broiler deboning operations and potential impact on food safety

Mai Leâ Phöông Taâm, Coner E. Donald 87 Hieäu quaû söû duïng cheá phaåm töï nhieân (göøng, ngheä vaø toûi) trong

chaên nuoâi gaø aùcUtilization of a herbal mixture of ginger, saffron and garlic for ac broilers

Laâm Minh Thuaän90 Tình hình nhieãm Salmonella trong phaân vaø thòt heo, boø taïi moät soá tænh

mieàn Taây Nam boäThe prevalence of Salmonella in faeces and carcass of cattle and pig in some provinces of Western Vietnam

Nguyeãn Ngoïc Tuaân, Leâ Höõu Ngoïc,Huyønh Vaên Ñieåm

96 Thieát keá cheá taïo maùy troàng míaDesigning and manufacturing the sugarcane billet planting machine

Traàn Vaên Khanh, Phan Hieáu Hieàn,Phaïm Vaên Taán, Toân Thaát Haûi,

Traàn Vaên Tuaán, Nguyeãn Vaên Xuaân103 Ñaùnh giaù aûnh höôûng cuûa thuoác tröø saâu, phaân boùn hoaù hoïc leân

moâi tröôøng ñaát, nöôùc, noâng saûn vaø söùc khoeû cuûa ngöôøi noâng daân ôû Traø VinhThe effect of pesticides chemical fertilizer on land, water, agricultural products and health of farmers in Tra Vinh province

Vuõ Vaên Quang, Leâ Huy Baù110 Tìm hieåu veà thaønh phaàn loaøi caù taïi xaõ Bình Khaùnh huyeän Caàn Giôø,

Tp. Hoà Chí MinhClassification of fish in Binh Khanh village Can Gio district, Ho Chi Minh City

Traàn Troïng Chôn114 Phaân laäp heä vi khuaån coäng sinh treân caù tra vaø tieán haønh thöû

nghieäm khaùng sinh ñoàCharacterization of bacteria isolated from farmed fish (Pangasius hypophthalmus) and study of their antibiotic resistance.

Nguyeãn Hoaøng Nam Kha120 Keát quaû nghieân cöùu saûn xuaát gioáng nhaân taïo caù laêng haàm (Mystus

filamentus Fang vaø Chaux, 1949)

Study on artificial production of green catfish (Mystus filamentus Fang and Chaux, 1949)

Ngoâ Vaên Ngoïc

SỐ 2/20061 Vai troø cuûa caùc chaát ñieàu hoaø taêng tröôûng thöïc vaät treân söï taêng

tröôûng cuû khoai mì (Manihot esculenta Crantz)Roles of plant growth regulators on growth of cassava (Manihot esculenta Crantz) tuberous roots

Nguyeãn Xuaân Duõng, Phan Ngoâ Hoang, Buøi Trang Vieät vaø Nguyeãn Du Sanh

6 Böôùc ñaàu nghieân cöùu chieát xuaát vaø thöû nghieäm hieäu löïc phoøng trò raày naâu cuûa hoaït chaát Abrin töø haït caây cam thaûo daây Abrus precatorius L.Initial studies on extracting and testing effect on control brown plant hopper (BPH) of Abrin extracted from Abrus precatorius L. seed

Phan Phöôùc Hieàn, Leâ An Ninh,Löông Thò Phöông

9 So saùnh naêng suaát vaø chaát löôïng moät soá gioáng cheø coù trieån voïng taïi Baûo Loäc-Laâm ÑoàngYield and quality comparison of some promising tea varieties in Bao Loc district, Lam Dong province

Phan Quoác Huøng, Leâ Quang Höng12 AÛnh höôûng khoaûng caùch troàng vaø löôïng ñaïm ñeán naêng suaát caây

boàn boàn (Typha angustifolia L.) taïi Thuû Daàu Moät tænh Bình DöôngEffect of spacing and nitrogen levels on cattail yield in Thu Dau Mot town, Binh Duong province

Quaûn Thò Tuyeát Nhung, Leâ Quang Höng17 Nhoùm lieân hôïp vaø tính gaây beänh cuûa naám Rhizoctonia solani Kuhn gaây

haïi treân boâng ôû caùc tænh phía NamAnastomosis groups and pathogenicity of Rhizoctonia solani isolates associated with cotton in Southern Vietnam

Töø Thò Myõ Thuaän, Nguyeãn Thô,Buøi Caùch Tuyeán

21 Phaùt trieån vieäc troàng caây doù baàu (Aquilaria crassna) vaø gaây taïo traàm höông ôû caùc tænh phía NamInitial research on Aquilaria crassna planting and agarwood inducing in Southern provinces of Vietnam

Ñinh Trung Chaùnh27 Khaûo saùt naêng löïc naåy maàm, söùc chòu ruùt khoâ vaø söï hoùa cöùng

voû haït trong thôøi gian haït phaùt trieån vaø chín treân caây Caåm Lai Baø Ròa (Dalbergia bariensis Pierre)Study on ability of germination, tolerate desiccation and hardseededness of developing and maturing Dalbergia bariensis Pierre seeds

Tröông Mai Hoàng, Leâ Thò Nguyeät Thu,Nguyeãn Trung Hieàn

34 Keát quaû nghieân cöùu ñaëc tính cô, lyù cuûa tre taàm voânginvestigation of physical mechanical properties of Dendrocalamus strictus

Hoaøng Thò Thanh Höông, Taêng Thò Kim Hoàng

37 ÖÙng duïng GIS öôùc löôïng xoùi moøn ñaát taïi laâm tröôøng Maõ Ñaø - tænh Ñoàng NaiEstimating on-site soil erosion in Ma Da enterprise – Dong Nai province using GIS technique

Nguyeãn Kim Lôïi43 Böôùc ñaàu thöû nghieäm saûn xuaát khaùng huyeát thanh khaùng vi khuaån

E. coliPrimary experiment for E. coli antiserum production

Nguyeãn Ngoïc Haûi, Nguyeãn Vaân Anh49 Protein taùi toå hôïp MBP-VT2EB: saûn xuaát vaø tinh cheá

Recombinant protein MBP-VT2EB: production and purificationNguyeãn Ngoïc Haûi

53 Khaûo saùt söùc sinh saûn cuûa heo naùi döông tính PRRS vaø dòch taû ôû caùc hoä chaên nuoâi gia ñình taïi huyeän Chôï Gaïo, tænh Tieàn GiangReproductive performance of sows positive to prrs and hog cholera at households of Cho Gao district, Tien Giang province

Thaùi Quoác Hieáu, Nguyeãn Vieät Nga,Leâ Minh Khaùnh, Traàn Quang Tri,

Traàn Thò Bích Lieân, Nguyeãn Ngoïc Tuaân,Traàn Thò Daân

59 Hieäu quaû cuûa boå sung beta glucan trong khaåu phaàn heo thòt nhieãm virut gaây hoäi chöùng roái loaïn hoâ haáp sinh saûnThe effection of the addition of beta-glucan to the pigs with PRRSV positive

Hoà Thò Nga, Traàn Thò DaânKeát quaû nghieân cöùu veà coâng ngheä vaø thieát bò gieát moå gia caàm phuø hôïp vôùi ñieàu kieän Vieät NamResult of research on poultry processing technology and equipment which is appropriate for Vietnam condition

Nguyeãn Vaên HuøngAÛnh höôûng cuûa tyû leä voû traáu vaø hoãn hôïp enzyme ñeán quaù trình uû phaân boøEffects of rice husk ratio and poly-enzymes on composting cattle dung

Buøi Xuaân An, Trònh Hoaøng Nghóa73 Caùc giaûi phaùp giaûm thieåu oâ nhieãm moâi tröôøng do hoaït ñoäng saûn xuaát ngoaøi

caùc khu coâng nghieäp treân ñòa baøn quaän Thuû Ñöùc Some solutions to minimize the industrial pollution in Thu Duc circumstances

Leâ Taán Thanh Laâm, Traàn Theá Minh,Nguyeãn Ngoïc Huaân

79 Nghieân cöùu, ñaùnh giaù vaø löïa choïn phöông phaùp phaù maãu thích hôïp cho vieäc xaùc ñònh Arsenic toång soá trong ñaát treân ñòa baøn thaønh phoá Hoà Chí MinhStudy, evaluate and select sample digestion methods which are appropriate for determining soil arsenic in Ho Chi Minh city

Nguyeãn Vinh Quy, Buøi Caùch Tuyeán,Nguyeãn Ngoïc Haø

83 Nghieân cöùu cheá taïo vaø xaùc ñònh tính chaát chöùc naêng maøng aên ñöôïc vaø töï huûy töø agarFormulation and characterization of edible agar-based films

Phan Theá Ñoàng, Döông Thò Ngoïc Dieäp89 Söï tích luõy kim loaïi naëng trong caù nuoâi ôû vuøng nöôùc thaûi, huyeän Bình Chaùnh, Tp.

HCMHeavy metal accumulation in fish cultured in sewage water in peri urbans of Ho Chi Minh city

Nguyeãn Phuù Hoøa, Leâ Thanh Huøng93 Nghieân cöùu trích ly xöû lyù nöôùc nuoâi toâm nhieãm Cadimi

Extraction of Cd(II) from shrimp pond waterNguyeãn Anh Tuaán, Traàn Mai Phöông,Traàn Minh Höông, Ngoâ Maïnh Thaéng

99 Ñònh höôùng chieán löôïc phaùt trieån thöông hieäu taïi Coâng ty Traø - Caø pheâ Taâm ChaâuThe orientation of brand development strategy at Tam Chau Tea-Coffee Trading Co.Ltd

Traàn Ñình Lyù, Nguyeãn Thò Kim Tuyeàn110 ÖÙng duïng GIS cho ñaùnh giaù khaû naêng thích nghi ñaát noâng nghieäp

tænh Ñoàng ThaùpUsing gis to evaluate suitability of agricultural land use in Dong Thap province

Voõ Vaên Vieät117 Keát quaû ñaùnh giaù taùc ñoäng cuûa döï aùn ETSP taïi xaõ Thöông Nhaät,

huyeän Nam Ñoâng, tænh Thöøa Thieân-HueáResults of impact assessement from ETSP project in the Thuong Nhat commune, Nam Dong district, Thua Thien-Hue province

Buøi Vieät Haûi, Hoaøng Höõu Caûi,Voõ Vaên Thoan, Ñaëng Ñình Boâi

SỐ 3/2006

1 Tìm hieåu vai troø cuûa acid salicylic trong söï phaùt trieån phaùt hoa ôû caây tím phi (Saintpaulia ionantha Wendl.)Roles of salicylic acid in african violet (Saintpaulia ionantha Wendl.) inflorescence development

Nguyeãn Thò Hoàng Anh, Trònh Caåm Tuù,Buøi Trang Vieät, Buøi Vaên Leä

5 Keát quaû nghieân cöùu veà moät soá ñaëc ñieåm hình thaùi, sinh tröôûng vaø khaû naêng cho naêng suaát cuûa moät soá gioáng böôûi coù trieån voïng taïi tænh Phuù ThoïStudy on the morphological, growth characters and potential yield of some promissing pummelo cultivars (C. grandis) at Phu Tho province

Leâ Tieán Huøng, Ngoâ Xuaân Bình

13 Nhaân gioáng tieâu (Piper nigrum L.) saïch beänh virus baèng phöông phaùp nuoâi caáy moâVirus-free black pepper propagation by plant tissue culture

Nguyeãn Thò Kim Linh, Nguyeãn Höõu Ñònh,Leâ Ñình Ñoân, Traàn Thò Dung

19 Nhaän bieát nhoùm phuï cuûa caùc isolate naám Rhizoctonia solani Kuhn gaây haïi treân caây boâng Identifying subgroups of Rhizoctonia solani isolates associated with cotton in Southern Vietnam

Töø Thò Myõ Thuaän, Nguyeãn Thô, Buøi Caùch Tuyeán

23 AÙp duïng caùc chaát ñieàu hoøa taêng tröôûng thöïc vaät nhaèm laøm taêng soá nuï hoa vaø chaát löôïng hoa lan Dendrobium sp. Using plant growth regulators to improve quality and quantity of Dendrobium flowers

Trònh Caåm Tuù vaø Buøi Trang Vieät

27 Tuyeån choïn gioáng mía môùi töø nguoàn nhaäp noäi cho vuøng mía Ñaêk LaêkSelection of new varieties from the source of introduced sugarcane varieties for Daklak sugarcane area

Leâ Quang Tuyeàn, Phaïm Vaên Hieàn

31 Ñaùnh giaù hieäu löïc cuûa moät soá thuoác tröø saâu ñoái vôùi raày naâu (Nilaparvata lugens) treân luùa Efficacy assessment of insecticides to brown plant hopper (Nilaparvata lugens) on rice

Phan Vaên Töông, Leâ Vaên Thieät

37 ÖÙng duïng GIS vaø MODSS quy hoaïch söû duïng ñaát röøng ngaäp maën vuøng cöûa soâng Cöûu Long theo höôùng phaùt trieån beàn vöõngApplication of GIS and MODSS for mangrove land use planning in the Mekong estuary area towards sustainable development

Ngoâ An

50 Nghieân cöùu ñaëc ñieåm sinh thaùi vaø kyõ thuaät troàng caây Thoâng ñoû (Taxus wallichiana ZUCC.) laøm nguyeân lieäu thuoác choáng ung thöThe research on ecological characteristics and cultural techniques of Taxus wallichiana Zucc. to produce drug for cancer

Vöông Chí Huøng

59 Heä thoáng thoâng tin hoã trôï vieäc ra quyeát ñònh (DSS) trong quaûn lyù beàn vöõng löu vöïc soâng Ñoàng Nai

Decision support system (DSS) for sustainable watershed management in Dong Nai watershed

Nguyeãn Kim Lôïi

65 Keát quaû böôùc ñaàu giaâm hom caây thuûy tuøng taïi Ñaêk LaêkThe initial results on cutting of Glyptostrobus pensilis (Staun) K. KOCH in Daklak

Traàn Vinh

68 Mieãn dòch choáng GnRH (gonadotropine releasing hormone) ñeå haïn cheá hoaït ñoäng dòch hoaøn vaø muøi noïc treân heo ñöïc nguyeânImmunity against GnRH (gonadotropine releasing hormone) to inhibit testicular activity and eliminate boar taint

Traàn Thò Daân, Nguyeãn Ngoïc Tuaân,Nguyeãn Kieân Cöôøng,

Nguyeãn Tieân Hoaøng Nguyeân,Nguyeãn Thò Kim Anh

72 Sinh khoái truøn ôû hai ñieàu kieän nuoâi vaø böôùc ñaàu ñaùnh giaù hieäu quaû sau cheá bieánBiomass of earth worm in two different conditions and quality of the earth worm after processing

Traàn Thò Daân, Hoà Thò Quyønh Nhö,Nguyeãn Hoàng Vaân

76 Arcobacter treân gaø taïi moät cô sôû gieát moå gia caàm ôû Tp. Hoà Chí MinhPrevalence of Arcobacter spp. in chicken and on chicken carcasses in a slaughterhouse in Ho Chi Minh city

Hoà Thò Kim Hoa, Traàn Ñoaøn Ngoïc Traân,Buøi Thò Thu Trang, Nguyeãn Ngoïc Tuaân,

Len J. A. Lipman vaø Wim Gaastra

82 AÛnh höôûng cuûa vieäc chuyeån ñoåi sang heä thoáng chaên nuoâi saïch ñeán thaønh tích saûn xuaát vaø khaû naêng sinh saûn treân caùc gioáng boø söõaConsequences of converting to organic dairy farming for production and fertility of dairy breeds

Phaïm Maïnh Höng, Henk Bovenhuis

85 Thieát laäp vaø xaùc ñònh kieåu gien cuûa gien ñaùnh daáu tieåu veä tinh treân nhieãm saéc theå giôùi tính Z vaø tieåu nhieãm saéc theå gaø Developing and genotyping of new microsatellite markers derived from the chicken micro and Z chromosomes

Phaïm Maïnh Höng, R.P.M.A. Crooijmans

88 Khaûo saùt sinh lyù sinh hoùa maùu treân heo nuoâi thòt nhieãm virus gaây roái loaïn hoâ haáp vaø sinh saûn ñöôïc boå sung -glucan trong khaåu phaàn Physiological and bio-chemical variables in blood of the positive PRRS pigs supplemented with beta-glucan in feed

Hoà Thò Nga vaø Traàn Thò Daân

92 AÛnh höôûng cuûa vaéc xin Improvac leân taêng troïng vaø phaåm chaát thòt cuûa heo ñöïc nguyeânEffects of vaccination of boar with Improvac on growth performance and meat quality

Nguyeãn Ngoïc Tuaân, Traàn Thò Daân,Nguyeãn Kieân Cöôøng,

Nguyeãn Tieân Hoaøng Nguyeân,Nguyeãn Thò Kim Anh

96 Khaûo saùt vaø ñaùnh giaù phaåm chaát thòt cuûa heo nuoâi ôû Tp. Hoà Chí Minh ñöôïc gieát moå taïi xí nghieäp cheá bieán thöïc phaåm Nam PhongInvestigation and evaluation on pork quality from some pig farms in Ho Chi Minh city

Nguyeãn Ngoïc Tuaân, Taêng Trí Höng,Traàn Vaên Töông

102 Khaûo saùt moät soá chæ tieâu sinh hoùa maùu choùStudy on blood biochemical parameters of dog

Huyønh Thò Baïch Yeán

110 Khaûo saùt moät soá haèng soá sinh lyù maùu choùStudy on some physiological parameters of dog

Huyønh Thò Baïch Yeán

117 Nghieân cöùu moät soá ñaëc ñieåm sinh lyù tieâu hoaù caù keøo Pseudapocryptes lanceolatus (Block & Schneider, 1801)Some of characteristics on digestive physiology of Pseudapocryptes lanceolatus (Block & Schneider, 1801)

Hoà Thò Leä Thuyû, Phan Khaéc Vónh,Toâ Thò Huyeàn Trang,

Nguyeãn Thò Bích Thuùy,Nguyeãn Thò Mai Thaûo, Döông Thanh Lieâm

122 Caám söû duïng khaùng sinh laøm chaát boå sung vaøo thöùc aên gia suùc: baøi hoïc kinh nghieäm töø Chaâu AâuBanning antibiotic growth promoters: learning from the European experience

Leâ Thanh Hieàn

125 Caùc yeáu toá chaát löôïng ñaát ñai cho moät soá ngaønh ngheà saûn xuaát kinh doanh treân ñaátLand quality factors for some trades utilizing the land for their production and business activities

Nguyeãn Thuùc Huyeân

SỐ 4/2006CONTENT

1 Current status of molecular rice breeding in Vietnam Bui Chi Buu

4 Improvement of Basmati rices through mutation approach Rao G.J.N., Patnaik A. and Chaudhary D.

12 Novel approaches in plant breeding using RNAi technologyNguyen Van Uyen

17 Application of radiation in agricultureTamikazu Kume

20 Trends of biotechnology research in animal production in VietnamTran Thi Dan and Nguyen Ngoc Tuan

25 Micromanipulation technology: intracytoplasmic sperm injection and somatic cell nuclear transfer

Nguyen Van Thuan

29 Molecular characterization of cDNA sequences of porcine genes encoding complement component of the terminal lytic pathway

Do Vo Anh Khoa, Siriluck Ponsuksili, Eduard Murani, Huynh Thi Phuong Loanand Klaus Wimmers

32 Casein kinases I of the silkworm, Bombyx mori: structure and possible roles in circadian timing and developmental determination

Le Thi Dieu Trang, Hana Sehadovaand Makio Takeda

35 Soy phytoestrogen effects on progesterone receptor and ovalbumin synthesis in the chick oviduct

Stevenson L.M., Oates S.H., Doernte A.L.,Hess I.B. and Berry W.D.

38 Application of molecular approaches in study of Arcobacter spp. prevalence in pigs and their transmission from infected sows to newborn piglets

Ho Thi Kim Hoa, Lipman L. J. A.,van der Graaf-van L. B., van Bergen M.,

Nguyen Ngoc Tuan and Gaastra W.

43 Isolation of Japanese encephalitis virus from mosquitoes collected in Can Tho CityHo Thi Viet Thu, Huynh Kim Loan,

Huynh Thi Phuong Thao, Vu Thi Que Huongand Huynh Ngoc Trang

47 Protective immunity against fowl cholera in mouse with omph from Pasteurella multocida (A:3)

Kiyong Cheong, Kyung-ah Maeng,Jihyun Song, Dho Hyung Kim, Jihyun Choi, Daehyuk Kweon and Moosik Kwon

49 Detection of porcine circovirus from lesions of postweaning-pig with wasting disease at some farms in Ho Chi Minh City and some adjacent provinces

Lam Thi Thu Huong and Duong Chi Mai

52 Molecular characterization of the H5 gene for the highly pathogenic A/H5N1 strains isolated in Vietnam during 2004-2006

Le Thanh Hoa, Dinh Duy Khang,Phan Van Chi, Nong Van Hai,

Truong Nam Hai, Nguyen Thi Bich Ngaand Le Tran Binh

56 Construction of the expression vector containing antigenic VP2 gene of Gumboro strains isolated in Vietnam for a DNA vaccine

Le Thanh Hoa, Le Thi Kim Xuyenand Doan Thi Thanh Huong

59 Bacillus subtilis possibly used for aflatoxin controlNguyen Ngoc Hai

62 The role of sIL4-R DNA vaccine on the murine model of atopic dermatitis Nguyen Tat Toan, Park Jin Ryang

and Bong Joo Lee

64 Optimisation of real time RT-PCR for measurement of feline cytokine mRNANguyen Van Nghia, Taglinger K., Helps C.R.,Tasker S., Day M.J. and Gruffydd-Jones T.J.

68 Hyperexpression and challenge of recombinant clone of Omph(D:4)-f in Pasteurella multocida (D:4) against swine atropic rhinitis in mouse

Sangwook Kim, Boram Han, Jihyun Song, Sangwook Yoon, Dho Hyung Kim, Junhyung Kim, Sungyoul Hong

and Moosik Kwon

70 Characterization of resistance genes associated with class 1 integrons in non-typhoid SalmonellaVo Thi Tra An, van Duijkeren E., Fluit A.C.

and Gaastra W.

74 In-vitro multiplication of white spot syndrome virus (WSSV) from Penaeus monodon by using SF9 insect cells

Le Phuc Chien, Nguyen Thi Thu Hang,Nguyen Thi Hong Van, Van Thi Hanh,

Tran Thi Thanh Xuan, Tran Nhat Minh,Phan Thi Cam Linh and Nguyen Quoc Binh

78 Characterization of bacteria isolated from farmed catfish coming from Vietnam and study of their antibiotic resistance

Nguyen Hoang Nam Kha, Samira Sarter,Thierry Legarve and Didier Montet

84 Toxic effect of arsenic (AS) on biomembraneTran Thi Thanh Huong, Le Quoc Tuan,

Hiroshi Umakoshi and Ryoichi Kuboi

88 Primary study on multiplication of adventitious roots of Panax vietnamensis – A valuable material source for saponin isolation

Duong Tan Nhut, Bui Ngoc Huy,Pham Thanh Phong, Nguyen Thanh Hai

and Tran Cong Luan

92 Effects of some artificial lighting sources on the photomorphogenesis of callus-induced embryo and the plantlet regeneration of Phalaenopsis amabilis and its applications in micropagation

Duong Tan Nhut, Ly Thi Phuong Loan,Le Thi Phuong Thao, Nguyen Thi Thu Suong

and Vu Hong Lien

96 In vitro propagation of Dendrobium orchid through thin stem section cultureNguyen Thi Hong Nhat and Tran Thi Dung

98 Changes of textural structure of Abalones mushroom fruit-bodies cultivated on artificial substrates

Truong Binh Nguyen, Le Xuan Tham,Makoto Nakaya and Akira Suzuki

103 Microponic technology in disease-free chrysanthemum productionVan Hoang Long, Bui Van The Vinh,

Nguyen Trinh Don, Dang Thi Thu Thuyand Duong Tan Nhut

108 Development of semi-quantitative methods to analyse rice aromaGay F., Mestres C., Phan Phuoc Hien,

Laguerre M. and Ringuet J.

112 Hydroponics as a model technology for producing plant root secondary metabolitesTran Thi Le Minh, Vu Thi Dao, Mignard Benoît, Biteau Flore,

Fèvre Jean-Paul, Boitel-Conti Michèle,Guckert Armand, Bui Cach Tuyen, Bourgaud Frédéric and Gontier Eric

116 Application of MPN - MPN (Most Probable Number - Polymerase Chain Reaction) to enumerate Clostridium botulinum spores in honey

Vu Thi Lam An, Boehnel Hegeland Gessler Frank

120 Influence of polysaccharide chain interactions on the functional properties of edible films Phan The Dong

128 Microencapsulation of lactic acid bacteria isolated from commercial yogurts in TaiwanLuong Hong Quang, Po-Yung Lai,

Pao-Chuan Hsieh

136 Urban growth, land tenure policy and people’s livelihoods in the suburbs; a case study in Vinh Loc A commune, Binh Chanh district, Ho Chi Minh city, Vietnam

Vo Van Viet

SỐ 3/20071 Moät soá ñaëc ñieåm hình thaùi, sinh hoïc cuûa nheän 2 chaám naâu Teranychus urticae K.

vaø möùc ñoä gaây haïi cuûa chuùng treân hoa hoàng taïi taïi Ñaø Laït, 2005Some morphological, biological characters of two spotted mite Tetranychus urticae Koch and their damage on roses at DaLat city, 2005

Nguyeãn Thò Chaét, Buøi Thanh Tuøng7 Nghieân cöùu caùc vaät lieäu laøm giaù theå troàng lan Dendrobium taïi Thuû Ñöùc, Tp. Hoà

Chí MinhStudy on materials as media for planting Dendrobium orchid at Thu Duc district, Ho Chi Minh city

Huyønh Thanh Huøng13 Keát quaû nghieân cöùu veà reäp saùp giaû döùa Dysmicoccus brevipescockerell

(Homoptera: Pseudococcidae): Moät trong nhöõng loaøi saâu haïi chính treân caây maõng caàu xieâm (Annona muricata L.)Research results of the pineapple mealybug dysmicoccus brevipes cockerell (Homoptera: Pseudococcidae): a major pest of soursop (Annona Muricata L.) at Binh Chanh, Ho Chi Minh city

Vuõ Thò Nga, Nguyeãn Thò Chaét vaø Phaïm Vaên Laàm

22 Ñaùnh giaù hieäu quaû cuûa moâ hình canh taùc 2 luùa - ñaäu naønh vaø 2 luùa - ñaäu naønh - caù treân neàn ñaát 3 vuï luùa taïi Tam Bình, Vónh Long 2004 - 2007Evaluation the effect of 2 Rice – soybean and 2 Rice – Soybean – Fish cropping systems on three rice soil in Tam Binh district, Vinh Long province 2004 - 2007

Nguyeãn Vaên Quang28 Söùc sinh saûn cuûa heo naùi khi taêng löôïng chaát beùo trong khaåu phaàn ôû cuoái kyø

mang thai ñeán khi cai söõa heo conSow performance as increasing the dietary fat level from 105 days of pregnancy to weaning

Nguyeãn Thò Kim Loan32 AÛnh höôûng cuûa soá laàn cho aên vaø daïng thöùc aên ñeán söùc sinh saûn cuûa heo

naùiEffects of times and form of feeding on sows performance

Nguyeãn Thò Kim Loan38 Tình hình nhieãm vaø söï nhaïy caûm ñoái vôùi khaùng sinh cuûa vi khuaån Salmonella spp.

treân heo tieâu chaûy töø 1 - 3 thaùng tuoåi taïi tænh Traø VinhThe prevalence and antibiotic sensibility of Salmonella spp. isolated from 1-3 months old diarrhea piglets in Tra Vinh province

Nguyeãn Vaên Khanh, Traàn Thò Phaän, Nguyeãn Thò Ñaáu42 Xaây döïng chæ soá choïn loïc cho ñaøn gioáng thuaàn taïi xí nghieäp chaên nuoâi heo

Ñoàng HieäpEstabishing selection indexes for all purbred- pig breeds at Dong Hiep pig farm

Traàn Vaên Leân vaø Trònh Coâng Thaønh48 Xaùc ñònh tyû leä tieâu hoùa protein cuûa boät caù laït, boät xöông thòt, khoâ daàu ñaäu

naønh, khoâ haït caûi daàu treân gaø löôïng phöôïng caét boû manh traøng vaø khoâng caét boû manh traøng Determination of protein digestibility of fish meal, meat and bone meal, soybean meal and sesame meal with intact and caecectomised luong phuong cockerels

Leâ Vaên Thoï, Maõ Hoaøng Phi

53 Phaùt hieän moät soá gen ñoäc löïc hoïc cuûa Escherichia coli treân thòt boø, heo vaø trong phaân boø, heo baèng kyõ thuaät multiplex - PCRDetecting some virulence genes of escherichia coli in cattle and swine faeces, on beef and pork meat by Multiplex-PCRTraàn Thanh Phong, Nguyeãn Ngoïc Tuaân,

Buøi Thò Thu Trang vaø Leâ Thò Mai Khanh60 Keát quaû nghieân cöùu moâ hình nhaø kính öùng duïng ñieàu khieån töï ñoäng baèng PLC

Result of study on a model of greenhouse applied automatic control PLCNguyeãn Vaên Huøng, Ñaøo Duy Vinh

66 Nghieân cöùu thieát keá cheá taïo khaûo nghieäm maùy nghieàn sieâu mòn daïng raêngStudying, designing, fabricating and testing spike tooth type super fine grinder

Traàn Thò Thanh70 Nghieân cöùu ñaùnh giaù thöïc traïng vaø xaây döïng moâ hình hoaït ñoäng caâu laïc boä

khuyeán noâng cuûa noâng daân ôû 4 huyeän ngoaïi thaønh thuoäc thaønh phoá Hoà Chí Minh: Nhaø Beø, Bình Chaùnh, Cuû Chi vaø Hoác MoânResearch on the current situation and build the active model of farmer’s extension club. study case at four districts: nha Be, Binh Chanh, Cu Chi and Hoc Mon in outside Hochiminh city

Nguyeãn Vaên Naêm78 Nghieân cöùu quy trình saáy goã ñieàu (Anacardium occidentale)

The drying process of cashew woodPhaïm Ngoïc Nam

82 Khaûo saùt caáu taïo vaø tính chaát cô lyù cuûa moät soá loaïi goã caây aên traùiStydy on main anatomical characteristics, physical and mechamical properties of fruit trees

Phaïm Ngoïc Nam, Thaùi Vónh Hieàn89 Moät soá ñaëc ñieåm caáu taïo vaø tính chaát cô lyù cuûa keo lai

Some anatomical characteristics, physical and mechanical properties of Acacia auriculiformis magium

Nguyeãn Thò AÙnh Nguyeät95 Khaûo saùt sô boä vaø nghieân cöùu naâng cao chaát löôïng khoâ caù tra phoàng ôû Chaâu

Ñoác - An GiangPreliminarily study on processing of bloating fried dried tra-basa at Chau Doc – An Giang and testing to improve it’s quality

Nguyeãn Thuøy Linh, Nguyeãn Duy Taân,Nguyeãn Huyønh Taán

101 Keát quaû böôùc ñaàu trong nghieân cöùu saûn xuaát gioáng caù choát soïc Mystus mysticetus Roberts, 1992The preliminary result of the study on seed production of Mystus mysticetus Roberts, 1992

Ngoâ Vaên Ngoïc, Voõ Thanh Lieâm,Phaïm Minh Thöùc

106 AÛnh höôûng cuûa nhieät ñoä cao ñeán söï ñöïc hoùa caù roâ phiEffect of high temperature on masculisation of tilapia

Phaïm Phong Tam Giang,Nguyeãn Vaên Tö

113 Kieán thöùc baûn ñòa veà söû duïng taøi nguyeân röøng cuûa ñoàng baøo Chaâu Maï, xaõ Taø Laøi tröôùc söï phaùt trieån noâng thoân beàn vöõng Chau ma minority people’s indigenous knowledge on forest resource use in ta lai commune towards the sustainable rural development

Ñinh Thanh Sang, Ñinh Quang Dieäp

Số 1&2/2007

1 Böôùc ñaàu ghi nhaän moät soá loaøi boï ngöïa treân sinh caûnh noâng nghieäp vaø khaû naêng aên moài cuûa loaøi boï ngöïa chính taïi Tp. Hoà Chí Minh vaø vuøng phuï caän, naêm 2005-2006A preliminary recording of some species mantids on agroecosystem of cashew, fruits, corn and predation of major mantids at HCM city, several regions of binh duong and dong nai provinces, 2005.

Nguyeãn Thò Chaét, Nguyeãn Vaên Tuyeàn Nguyeãn Vuõ Quoác

7 Hieän traïng vaø giaûi phaùp cho heä thoáng gioáng noâng hoä taïi Tp. Caàn Thô vaø tænh DaklakSituation and solution for farmer’s varieties systems in Cantho city and Daklak province

Phaïm Vaên Hieàn, Traàn Vaên Thuyû14 Keát quaû choïn taïo vaø phaùt trieån gioáng saén KM140

Selection and development of hybrid cassava variety KM140Traàn Coâng Khanh, Hoaøng Kim, Voõ Vaên Tuaán,

Nguyeãn Höõu Hyû, Phaïm Vaên Bieân, Ñaøo Huy Chieân, Reinhardt Howeler, Hernan Ceballos

20 Di truyeàn veà thôøi gian sinh tröôûng, chieàu cao caây vaø naêng suaát cuûa moät soá gioáng boângThe inheritance of growth duration, plant height and seedcotton yield of some cotton varieties

Phan Thanh Kieám, Hoà Taán Quoác27 AÛnh höôûng cuûa maät ñoä troàng ñeán khaû naêng sinh tröôûng, naêng

suaát vaø haøm löôïng tinh boät cuûa gioáng saén KM94The effects of densities on growth, yield ability and starch content in cassava (Mahinot esculenta Crantz) var. KM94

Leâ Vaên Luaän, Traàn Vaên Minh32 Ñaùnh giaù caùc yeáu toá dinh döôõng ña löôïng haïn cheá sinh tröôûng, naêng

suaát vaø haøm löôïng tinh boät cuûa gioáng saén KM94The effects of majority nutrient factors limited on growth, yield ability and starch content in cassava (Mahinot esculenta Crantz) var. KM94

Leâ Vaên Luaän, Traàn Vaên Minh38 Hieäu quaû kinh teá caây ñaäu xanh trong heä thoáng luaân canh

vôùi luùa vuøng nuùi Daøi An GiangEconomical effectiveness of the mungbean in the rotation system with rice in Dai mountain area, An Giang province

Nguyeãn Vaên Minh, Voõ Toøng XuaânNguyeãn Tri Khieâm

44 Toång keát caùc heä thoáng canh taùc hieäu quaû cao, beàn vöõng vuøng nuùi Daøi An GiangSummarization of sustainable, high effective farming systems in Dai mountain zone, An Giang province

Nguyeãn Vaên Minh, Voõ Toøng XuaânNguyeãn Tri Khieâm

51 Nghieân cöùu bieän phaùp phoøng tröø reäp saùp giaû döùa Dysmicoccus brevipes Cockerell (Homoptera: Pseudococcidae) treân caây maõng caàu xieâm (Annona muricata L.) Research on control methods of the pineapple mealybug Dysmicoccus brevipes Cockerell (Homoptera: Pseudococcidae) on soursop (Annona muricata L.)

Vuõ Thò Nga, Nguyeãn Thò ChaétPhaïm Vaên Laàm

58 Ñaëc ñieåm sinh hoïc vaø khaû naêng gaây beänh cuûa naám Metarhizium anisopliae (Metsch.) Sorokin ñoái vôùi saâu khoang (Spodoptera litura F.) haïi rau caûi xanh (Brassica juncea L.)Studies on biological characteristics of Metarhizium anisopliae isolates and evaluation their control ability to armyworm effected on leaf mustard

Voõ Thò Thu Oanh, Leâ Ñình ÑoânBuøi Caùch Tuyeán

64 Xaùc ñònh moâ hình caây troàng ngaén ngaøy taïi vuøng ñoàng baøo daân toäc tænh Ñoàng NaiDetermination annual cropping model in ethnic minority areas of Dongnai province

Phaïm Vaên Hieàn, Voõ Vaên Phi70 Hieän traïng canh taùc böôûi ôû vuøng Taân Trieàu, Vónh Cöûu, Ñoàng Nai

The situation of shaddock (Citrus maxima) cultivation at Tan Trieu ward, Vinh Cuu district, Dong Nai province.

Nguyeãn Thò Lan Phöông75 ÖÙng duïng phöông phaùp vi nhaân gioáng trong baûo toàn gioáng

caây Thuyû Tuøng (Glyptostrobus pensilis (Staunton ex) K.Koch) Using in vitro propagation to preserve Glyptostrobus pensilis (Staunton ex.) variety

Nguyeãn Thanh Sum, Phaïm Ngoïc Tuaân,Nguyeãn Vaên Keát

82 AÛnh höôûng cuûa phaân laân ñeán sinh tröôûng, naêng suaát, söï toàn löu dinh döôõng vaø maät ñoä naám coäng sinh cuûa baép (Zea mays L.) treân vuøng ñaát xaùm tænh Taây Ninh vuï Ñoâng Xuaân naêm 2004 -2005Effect of phosphorus fertiliser on the growth, yield, nutrition residual and density of mycorrhizal colonization of maize (Zea mays L.) in winter-spring crop of the year 2004-2005 in the gray soil regions of Tay Ninh province

Traàn Thò Daï Thaûo, Leâ Ñình Ñoân,Buøi Caùch Tuyeán

88 AÛnh höôûng phoái hôïp cuûa BA vaø NAA tôùi söï hình thaønh choài trong quaù trình nhaân gioáng nha ñam (Aloe vera L.) thoâng qua kyõ thuaät lôùp moûng teá baøo (Thin cell layer)Combination effect of BA and NAA on shoot formation of invitro propagation for Aloe Vera (Aloe vera L.) by using Thin Cell Layer method

Löu Thò Thanh Thaát, Buøi Vaên LeäBuøi Minh Trí

92 Ñaùp öùng mieãn dòch trung hoøa ñoäc toá VT2E cuûa protein taùi toå hôïp MBP-VT2EB Immunity response neutralizes VT2E toxin of recombinant protein MBP-VT2EB

Nguyeãn Ngoïc Haûi

96 Caùc yeáu toá nguy cô ñoái vôùi beänh dòch taû heo ôû hoä chaên nuoâi gia ñình taïi tænh Tieàn GiangRisk factors for hog cholera at householders in Tien Giang province

Thaùi Quoác Hieáu, Nguyeãn Vieät Nga,Leâ Minh Khaùnh, Hoà Huyønh Mai,

Nguyeãn Ngoïc Tuaân, Traàn Thò Daân100 AÛnh höôûng cuûa haøm löôïng xô trong giai ñoaïn mang thai ñeán söùc sinh saûn cuûa heo

naùiEffect of dietary crude fibre during pregnancy on sows performance

Nguyeãn Thò Kim Loan105 Thieán boø ñöïc baèng phaãu thuaät vaø baèng kyõ thuaät khoâng chaûy maùu

Surgical castration and bloodless castration techniques in cattlesLeâ Vaên Thoï, Ñoaøn Thanh Ñieàn

109 Nghieân cöùu cô sôû lyù thuyeát quaù trình phaân loaïi saûn phaåm nghieàn theo kích thöôùc haït trong thieát bò phaân ly kieåu ly taâm Studying theoretical fundamental of separating process of grinding products by the size in centrifugal separating equipment

KeoLim, Nguyeãn Nhö Nam115 Nghieân cöùu thieát keá - cheá taïo - khaûo nghieäm maùy chaêm soùc mía

haøng heïpStudy on designing, manufacturing, testing the narrow row spacing type sugar cane cultivator XBH-2

Nguyeãn Nhö Nam, Ñaëng Höõu Duõng120 Nghieân cöùu thieát keá - cheá taïo - khaûo nghieäm maùy canh taùc mía ña

naêng Study on designing, manufacturing, testing the multipurpose sugar cane cultivator MCTMÑN-2

Traàn Thò Thanh, Nguyeãn Nhö Nam126 Toång quan veà dinh döôõng vaø thöùc aên cho caùc ñoái töôïng nuoâi bieån

taïi Vieät Nam Literature review of feed and feeding for marine fish species in Vietnam

Leâ Thanh Huøng138 Nghieân cöùu kyõ thuaät gaây nuoâi sinh khoái Paramecium

Study on biomass culturing of ParameciumLeâ Thò Bình, Ñaëng Thò Myõ Chaâu

143 Tình hình nuoâi caù boáng töôïng (Oxyeleotris marmorata) taïi xaõ Taân Thaønh, Thaønh phoá Caø Mau, tænh Caø MauCurrent situation of marble goby (Oxyeleotris marmorata) culture at Tan Thanh ward, Ca Mau city, Ca Mau province

Nguyeãn Phuù Hoøa, Döông Höõu Taâm146 Phaân laäp vaø tìm hieåu söï taêng tröôûng cuûa Scenedesmus (Chlorophyta)

trong moät soá moâi tröôøngIsolating Scenedesmus (Chlorophyta) and studying their growth in some culture media

Ñaëng Thò Thanh Hoøa, Traàn Thò Myõ Xuyeân

150 AÛnh höôûng cuûa moät soá yeáu toá sinh thaùi leân quaù trình phaùt trieån phoâi vaø caù boät caù Cheõm moõm nhoïn (Psammoperca waigiensis)Ecological factors effect on embryo and larval development of sand bass (Psammoperca waigiensis)

Phaïm Quoác Huøng, Vuõ Thò Thanh Nga,Nguyeãn Töôøng Anh, Nguyeãn Ñình Maõo

156 Khaûo saùt aûnh höôûng cuûa phytase leân söï taêng tröôûng vaø hieäu quaû söû duïng thöùc aên cuûa caù Basa (Pangasius bocourti)Study of phytase effect on growth performqance and feed utilization for Basa catfish (Pangasius bocourti)

Traàn Ngoïc Thieân Kim, Leâ Thanh Huøng162 Moät soá ñaëc ñieåm phaùt trieån thò tröôøng caù caûnh nöôùc ngoït ôû

Thaønh phoá Hoà Chí MinhSome development characteristics of the freshwater ornamental fish market in HCM city

Vuõ Caåm Löông169 Thöïc nghieäm saûn xuaát caù baûy maøu Poecilia reticulate toaøn ñöïc vaø

sieâu ñöïcExperimental production of Poecilia reticulata all males and supermales

Ñaëng Thò Caåm Nhung175 Phaân laäp vaø khaûo saùt ñaëc ñieåm khaùng khaùng sinh cuûa Edwardsiella

ictaluri gaây beänh gan thaän muû treân caù Tra, Pangasius hypophthalmus, nuoâi thaâm canhIsolation and investgation for antibiotic resistance of Edwardsiella ictaluri from intensively farmed Tra catfish, Pangasius hypophthalmus

Nguyeãn Höõu Thònh, Tröông Thanh Loan180 Phaân laäp vaø ñònh danh vi khuaån Aeromonas hydrophila treân eách Thaùi

Lan (Rana tigerina) nuoâi taïi khu vöïc ven ñoâ Thaønh phoá Hoà Chí MinhCharacterization of bacteria isolated from farmed frog (Rana tigerina) in peri – urban of HCM city

Traàn Hoàng Thuûy186 Ñaùnh giaù vieäc söû duïng moät soá loaïi ñaïm ñoäng vaø thöïc vaät ñeå thay

theá boät caù trong khaåu phaàn thöùc aên Caù Roâ Phi (Oreochromis spp.)Evaluation of alternative protein sources to replace fish meal in practical diets for juvenile Tilapia (Oreochromis spp.)

Nguyeãn Nhö Trí, D. Allen DavisI. Patrick Saoud

194 Xaùc ñònh moät soá gene tham gia con ñöôøng sinh toång hôïp caùc hôïp chaát coumarin ôû caây Arabidopsis thaliana baèng phöông phaùp choïn loïc chuyeån hoùaIdentification by metabolic screening of genees involved in the coumarins biosynthesis pathway of Arabidopsis thaliana

Nguyeãn Vuõ Phong, Alain Hehn,Freùdeùric Bourgaud

200 Böôùc ñaàu nghieân cöùu dieãn bieán thay ñoåi moät soá chæ tieâu chaát löôïng khoâng khí treân ñaát suy thoaùi do bò boùc lôùp ñaát maët trong ñòa baøn huyeän Traûng Bom - Ñoàng Nai

Initial studying changes of some air parametersin the region of degraded soil after extracting soil surface in Trang Bom district- Dong Nai province.

Nguyeãn Vinh Quy206 Tích hôïp phaàn meàm ALES vaø GIS trong ñaùnh giaù thích nghi ñaát ñai

huyeän Caåm Myõ - tænh Ñoàng NaiIntegrated ALES and GIS for land evaluation in Cam My district – Dong Nai province

Leâ Caûnh Ñònh214 Nghieân cöùu toång hôïp vaät lieäu mao quaûn trung bình MCM-48 töø nguoàn

thuûy tinh loûng trong nöôùcSynthesis of mesoporous materials MCM-48 by using sodium silicate from Vietnam

Nguyeãn Ñoaøn Chaâu Yeân, Nguyeãn Höõu Trí219 Taù döôïc

Adjuvant/ExcipientVoõ Thò Traø An, Phaïm Chaâu Giang,

Nguyeãn Thò Thuùy Huyeàn,Ñaøo Thò Phöông Lan,

Huyønh Thò Xuaân Phöôïng229 Moät soá suy nghó veà phoøng tröø beänh vaøng luøn vaø luøn xoaén laù treân

luùaNguyeãn Thô

SỐ 4/2007CONTENT

1 Shoot and root initiation of benguet lily (lilium philippnensis) bulb scales by low temperatures stratification and kind of rooting hormoneYoung Bae Park, Nguyen Van Ket and Araceli G. Ladilad

8 Collection, identification and evaluation of new high yielding varieties of roses under benguet conditionYoung Bae Park, Nguyen Van Ket and Araceli G. Ladilad

20 Preservation of grape (Vitis vinifera L.) by postharvest calcium treatmentPham Tuan Anh, Le Thi Bich

25 Functional properties of edible bilayer films composed of polysacharides and shellac for food quality preservation

Phan The Dong, Debeaufort Frédéric and Voilley Adrée

32 Utilizing jackfruit seed to produce distilled alcoholNguyen Minh Hien, Nguyen Thuy Huong

34 Assessment of precooling methods for Turnips (Brassica rapa L.)Lam Thanh Hien, Nguyen Ba Hung

and Nguyen Thi Thu Hien

36 Improved extraction of oil and vitamins from oil palm fruits with supercritical CO2

Huan Phan Tai, Gerd Brunner

41 Application of chitosan membrane in preservation of Hoa Loc mangoNguyen Minh Xuan Hong

44 Survival of fortified Escherichia coli, Staphylococcus aureus, and listeria monocytogenes in nem chua produced by traditional technology and modified technology

L.T. Truong, P. Baumgartner, M.H. Nguyen, J. Markham

50 Thermal mechanical compression test (TMCT): measurement of phase transition temperature of rice flour

Tuyen Thuc Truong, Vinh Truong, Shu Fukai, Bhesh Bhandari

54 Isolation and identification of lactic acid bacteria (lab) of the ‘nem chua’ – fermented meat product of Vietnam

Ho Thi Nguyet Thu, Nguyen Ngoc Tuan,Alain Deschamps, Roland Caubet

61 Improving the process of producing chitosan from shrimp shellNguyen Anh Trinh, Nguyen Duc Luong, Bui Van Mien

66 Some factors influencing on the disruptive pressure of chitosan filmNguyen Anh Trinh, Nguyen Duc Luong,

Bui Van Mien

71 Research on drying conditions for wood vacuum drying processNguyen Hay, Nguyen The Cuong

75 The influence of some parameters on quality of brown rice after husking on small productivity rice husker in the rural areas of Lam Dong province- Vietnam

Nguyen Hay, Pham Can

79 Development of the 25 kg/hr semi-automatic rice husk furnaceNguyen Thanh Nghi, Nguyen Van Xuan,

Le Van Ban, Phan Hieu Hien,Martin Gummer

84 Application of laser-controlled equipment for leveling rice fields in Viet NamPhan Hieu Hien, Tran Van Khanh,

Nguyen Duc Canh, Pham Duy Lam91 Development of solar-assisted dryers for food and farm crops

Phan Hieu Hien, Le Quang Vinh,Tran Thi Thanh Thuy, Tran Van Tuan

96 Research on sugarcane mechanization in Dong-Nai province of Viet NamPhan Hieu Hien, Tran Van Khanh),

Pham Duy Lam, Nguyen Van Xuan,Nguyen Duc Canh,Tran Van Nga

108 Building the row of machine sizes of pressing fresh vemicelli by the similar method and

method of semi-entire analysisTran Thi Thanh, Nguyen Huu Dung,

Nguyen Nhu Nam

114 Evaluate effects of praziquantel against monogenean parasites on tra catfish (Pangasius hypophthalmus)

Luu Thi Thanh Truc, Pham Duy Tan,Le Thanh Hung

Số 2-20101- AÛnh höôûng cuûa ñoä giaø thu hoaïch ñeán chaát löôïng xoaøi böôûi (Mangifera

indica L.) taïi Xuaân Loäc, tænh Ñoàng NaiEffects of harvest maturity indices on quality of buoi mango cultivar (Mangifera indica L.) in Xuan Loc district, Dong Nai province

Nguyeãn An Ñeä vaø Nguyeãn Vaên Keá12 AÛÛnh höôûng cuûa moät soá phaân boùn laù coù canxi ñeán naêng suaát vaø

chaát löôïng xoaøi böôûi (Mangifera indica L.) taïi huyeän Xuaân Loäc, tænh Ñoàng NaiEffects of some calcium foliar fertilizers on yield and quality of buoi mango cultivar (Mangifera indica L.) in Xuan Loc district, Dong Nai province

Nguyeãn An Ñeä vaø Nguyeãn Vaên Keá 21 Nghieân cöùu caùc bieän phaùp kyõ thuaät saûn xuaát rau maàm caûi cuû

Technique in producing radish sproutLeâ Thò Xuaân Mai, Nguyeãn Vaên Keát, Phan Thanh Kieám

27 Böôùc ñaàu nghieân cöùu quy trình kyõ thuaät nhaân gioáng vaø cheá bieán biodisel töø haït caây Jatropha curcas L.Multiplication process and preparation technique of Bio-diesel from Jatropha curcas L. seed

Phan Phöôùc Hieàn35 Hieäu löïc tröø dieät oác böôu vaøng Pomacea canaliculata cuûa hoaït chaát

rotenone chieát taùch töø reã caây coùc keøn Derris trifoliataControl effect of rotenone extracted from the root of plant “coc ken” Derris trifoliata on yellow -cone snail Pomacea canaliculata

Phan Phöôùc Hieàn41 Nghieân cöùu moät soá thoâng soá toái öu cuûa quaù trình trung hoøa trong

saûn xuaát ñöôøng tinh luyeänOptimal parameters of the cane juice mixture stiring equipment in improving the neutralization effect in refined sugar processing

Nguyeãn Höõu Theá, Nguyeãn Vaên Huøng47 Nghieân cöùu caùc möùc protein vaø naêng löôïng trong khaåu phaàn ñaùp

öùng khaû naêng sinh tröôûng cuûa boø caùi tô 50% Holstein friesianDetermination of dietary protein and energy levels in improving growth performance of Fifty - Percent holstein friesian crossbred

Phaïm Höõu Phöôùc, Löu Höõu Maõnh, Nguyeãn Nhöït Xuaân Dung, Voõ AÙi Quaác

57 AÛnh höôûng cuûa naêng löông khaåu phaàn treân khaû naêng sinh tröôûng vaø phaùt duïc cuûa boø caùi tô 50% holstein friesian trong ñieàu kieän ôû ñoàng baèng soâng Cöûu LongAffecting of energy on the growth and puberty of Fifty-Percent holstein friesian dairy heifer in Mekong delta

Phaïm Höõu Phöôùc, Löu Höõu Maõnh, Nguyeãn Nhöït Xuaân Dung, Voõ AÙi Quaác

66 Tính chaát vaät lyù cuûa haït ñaäu xanh (Vigna radiata L.)Physical properties of green bean (Vigna radiata L.)

Phaïm Trí Thoângvaø Leâ Thò Hoàng Ngoïc75 Nghieân cöùu caùc thoâng soá coâng ngheä toái öu trong saûn xuaát vaùn

daêm töø coû vetiver vaø rôm raï

Technological Factors in the production of particle-board from a mixture of vetiver grass and rice-straw

Phaïm Ngoïc Nam, Phaïm Vaên Quyù83 Nghieân cöùu caùc thoâng soá coâng ngheä saûn xuaát vaùn daêm töø rôm raï

vaø traáuTechnological factors in production of particleboard from straw and rice husk

Phaïm Ngoïc Nam88 Ñaëc ñieåm sinh vaät hoïc cuûa reäp muoäi boâng Aphis gossypii Glover

(Homoptera: Aphididae) treân caây baèng laêng nöôùc vaø phoøng tröø reäp muoäi boâng baèng thuoác hoaù hoïc vaø sinh hoïcBiological characteristics of cotton aphids Aphis gossypii Glover (Homoptera: Aphididae) on Lagerstroemia speciosa Pers. and control of cotton aphids with chemical and biological insecticides

Vuõ Thò Nga, Nguyeãn Thò Bình, Nguyeãn Thò Laõnh93 Ñaùnh giaù tình traïng lôû boài vaø giaûi phaùp baûo veä bôø bieån vuøng

Ñoâng Baéc ñoàng baèng soâng Cöûu LongAssessing the situation of erosion and accretion, and protective measures of the coast in the northeast of Mekong delta, Vietnam

Ngoâ An102 Ñaùnh giaù quaù trình xaây döïng vaø phaùt trieån thöông hieäu xoaøi caùt

Hoøa Loäc, huyeän Caùi Beø, tænh Tieàn Giang thöïc traïng vaø giaûi phaùpEvaluating the process of building and developing the trademark of Hoa Loc sweet Mango, Cai Be district, Tien Giang province –reality and solution

Traàn Ñình Lyù110 Nghieân cöùu taùc ñoäng cuûa vieäc söû duïng thuoác baûo veä thöïc vaät

treân caây ñieàu vaø chi phí söùc khoûe cuûa noâng daân taïi xaõ Nghóa Trung, tænh Bình PhöôùcImpacts of pesticide use on cashew yield and farmers’ health cost: A case study in Nghia Trung commune, Binh Phuoc province

Ñaëng Thanh Haø, Phaïm Thò Kieàu Trang116 Quaûn lyù ña daïng sinh hoïc cho söï phaùt trieån beàn vöõng cuûa caùc heä

sinh thaùi ñaát ngaäp nöôùc thuoäc khu vöïc Maõ Ñaø, tænh Ñoàng NaiBiodiversity management for sustainable development of wetland ecosystems in Mada, Dongnai province

Nguyeãn Thò Mai, Leâ Ngoïc Thoâng123 Nghieân cöùu taän duïng baõ men bia ñeå saûn xuaát boät yeasts extract

duøng trong moâi tröôøng nuoâi caáy vi sinh vaätUtilization of brewing yeast residues for producing yeast extract powder used in bacterial culture media

Vöông Thò Vieät Hoa, Nguyeãn Minh Xuaân Hoàng, Löông Hoàng Quang vaø Traàn Duy Baûo

128 Thöïc traïng caùc taùc ñoäng aûnh höôûng ñeán khaû naêng phaùt trieån beàn vöõng vuøng nuoâi troàng thuûy saûn treân ñòa baøn huyeän Thaïnh Phuù, tænh Beán TreThe situation and the capacity for sustainable development of aquaculture in Thanh Phu district, Ben Tre province

Nguyeãn Ñình Vöôïng, Ñinh Quang Toaøn

Soá 3/20101 So saùnh naêm moâ hình baép xen ñaäu phoäng taïi huyeän Beán Caàu tænh

Taây NinhComparison of five models of corn intercropped peanut cultivation in Ben Cau district Tay Ninh province

Phaïm Vaên Hieàn vaø Ñoaøn Thò Hoàng Ñieåm7 Ñaùnh giaù ñieàu kieän töï nhieân, kinh teá-xaõ hoäi vaø phaân vuøng sinh

thaùi noâng nghieäp vuøng ngoït hoùa Goø Coâng, tænh Tieàn GiangThe assessment of natural conditions, socio economic and distribution of Agri-Ecological zone in Go Cong district, Tien Giang province

Nguyeãn Vaên Khang, Phaïm Vaên Hieàn vaø Voõ Quang Minh17 AÛnh höôûng cuûa caùc lieàu löôïng phaân TNC-Cal 9 ñeán naêng suaát,

phaåm chaát thanh long (Hylocereus undatus (Haw.) Britt. et Rose) taïi huyeän Haøm Thuaän Baéc, tænh Bình ThuaänEffects of TNC-Cal 9 doses on yield and quality of dragon fruit (Hylocereus undatus (Haw.) Britt. et Rose) in Ham Thuan Bac district, Binh Thuan province

Nguyeãn Thò Phöông Vinh vaø Nguyeãn Vaên Keá28 AÛnh höôûng cuûa lieàu löôïng phaân dolomit ñeán naêng suaát, phaåm chaát

thanh long (Hylocereus undatus (Haw.) Britt. et Rose) taïi huyeän Haøm Thuaän Baéc, tænh Bình ThuaänEffects of dolomite fertilizer doses on yield and quality of dragon fruit (Hylocereus undatus (Haw.) Britt. et Rose) in Ham Thuan Bac district, Binh Thuan province

Nguyeãn Thò Phöông Vinh vaø Nguyeãn Vaên Keá 39 Söû duïng phöông phaùp gheùp caây ñeå baûo toàn caùc doøng doù baàu

(Aquilaria crassna Pierre ex. Lecomte) ôû tænh Khaùnh HoøaThe use of grafting methods in conserving the clones of Aquilaria crassna Pierre ex. Lecomte in Khanh Hoa province

Ñinh Trung Chaùnh45 Ñaëc ñieåm vaät haäu vaø moät soá chæ tieâu ban ñaàu cuûa haït caây Du

sam (Keteleeria evelyniana masters) taïi Ñaø LaïtPhenological and seed characteristics of Keteleeria evelyniana Masters in Dalat

Tröông Mai Hoàng, Toân Thaát Minh, Nguyeãn Vaên Nhaãn50 Nghieân cöùu khaû naêng haáp thuï CO2 treân maët ñaát cuûa röøng thoâng 3

laù (Pinus kesiya Royle ex Gordon) töï nhieân taïi huyeän Laïc Döông, tænh Laâm ÑoàngStudy on CO2 absorption capability above ground of pinus (Pinus kesiya Royle ex Gordon) natural forest in Lac Duong, Lam Dong province

Vieân Ngoïc Nam, Ñoã Thò Thu Leâ59 Nghieân cöùu moät soá ñaëc ñieåm caáu taïo vaø tính chaát cô lyù cuûa goã

Pyinkado (Xylia dolabriformis)Study on some anatomical characteristics, physical and mechanical properties of Pyinkado (Xylia dolabriformis)

Phaïm Ngoïc Nam69 Caùc loaøi naám reã coäng sinh döôùi taùn röøng thoâng tænh Laâm Ñoàng

Mycorhizza in pine forest of Lamdong provinceToân Thaát Minh, Leâ Vieát Ngoïc

73 Nghieân cöùu aûnh höôûng cuûa noàng ñoä hoùa chaát ñeán cô tính goã cao su (Hevea brasiliensis muell Arg.) sau khi taåy maøuThe effect of chemical factors on mechanical characteristics of rubber wood (Hevea brasiliensis muell Arg.) after bleaching

Buøi Thò Thieân Kim77 AÛnh höôûng cuûa beänh caèn mía goác (RSD) ñeán caây mía trong ñieàu

kieän töôùi boå sung nöôùc vaøo muøa khoâ ôû vuøng Ñoâng Nam boäThe effects of ratoon stunting disease (RSD) on sugarcane in supplementary irrigation in dry season in the Southeast Vietnam

Haø Ñình Tuaán, Leâ Ñình Ñoân, Buøi Caùch Tuyeán83 Ñaùnh giaù ña daïng di truyeàn 23 doøng ñieàu naêng suaát cao troàng taïi

vöôøn ñieàu gioáng quoác gia Caùt Hieäp, Phuø Caùt- Bình Ñònh baèng kyõ thuaät AFLPGenetic diversity assessment of high yield cashew clones from national cashew germplasm garden in Cat Hiep, Phu Cat, Binh Dinh using AFLP technique

Huyønh Thò Thanh Traø, Buøi Minh Trí89 Thaønh phaàn hoùa hoïc vaø hoaït tính sinh hoïc cuûa tinh daàu laù vaø quaû

Maøng tang thu thaäp ôû Vieät NamChemical composition and biological activities of essential oils from leaves and fruits of Litsea cubeba (Lour.) Pers. collected from Vietnam

Trònh Thò Phi Ly, Tröông Thò Bích Lieãu, Traàn Thò Quyønh Dieäp, Traàn Coâng Luaän

96 Nghieân cöùu taùi sinh in vitro vaø taïo reã toùc caây caø ñoäc döôïc (Datura innoxia Mill.) baèng vi khuaån Agrobacterium rhizogenesStudy on in vitro regeneration and hairy root formation of Datura innoxia Mill. with Agrobacterium rhizogenesNguyeãn Vuõ Phong, Nguyeãn Thò Thu Hoøa, Nguyeãn Thò Ñöùc Thi, Ngoâ Thò

Tuù Trinh105 Moät soá keát quaû nghieân cöùu veà maùy tung baõ buøn boùn loùt cho mía

Results of study on the microorganism fertilizer (Muck residue) spreader in sugar cane cultivation

Ñaëng Höõu Duõng, Nguyeãn Vaên Coâng Chính, Toân Thaát Haûi, Nguyeãn Hay

113 Nghieân cöùu söï aûnh höôûng caùc tham soá boä ñieàu khieån pid môø môùi ñeán ñaùp öùng quaù ñoä ñeå naâng cao chaát löôïng ñieàu khieån cuûa cuïm baøn dao maùy CNC ñieàu khieån baèng ñoäng cô ñieän moät chieàuResearch the influence of parameters new pid fuzzy controller to response transient in order to control quality improvement for clusters table knife of CNC machine controlled by dc motors

Leâ Vaên Maïnh, Phaïm Vaên Vónh, Tröông Vaên Huy119 Moät soá keát quaû nghieân cöùu öùng suaát bieán daïng khung caøy chaûo

C7C vaø CPL-3Study on stress – deformation status of the pan – shaped plough frame

Nguyeãn Hoàng Phong, Tröông Quang Tröôøng, Nguyeãn Haûi Ñaêng127 Nghieân cöùu beänh vieâm ruoät do Parvovirus treân choù vaø hieäu quaû

ñieàu trò taïi Beänh xaù thuù y tröôøng Ñaïi hoïc Caàn ThôThe study on canine parvovirus enteritis and treatment efficiency

Nguyeãn Vaên Khanh, Nguyeãn Vaên Bieän, Leâ Minh Thaønh vaø Leâ Nguyeãn Phöông Khanh

133 Söû duïng heä thoáng taám thaûm aùp löïc ñeå ñaùnh giaù tình traïng khaäp khieãng treân choùEvaluation the lameness in dog by using a pressure walkway system

Leâ Quang Thoâng vaø Eric Viguier

Số 4/2010CONTENT

1 Participatory community appraisal (PCA) in two ornamental fish production areas of Hochiminh city

Vu Cam Luong, Le Thanh Hung 8 Searching cues and effects of photoperiod and deprivation conditions on prey intake of

marble goby to different prey typesNguyen Phu Hoa, Nguyen Thi Thanh Truc, Le Quy Tieu Hai, Yang Yi

13 An overview of marble goby (Oxyeleotris marmorata Bleeker) culture in Asia

Nguyen Phu Hoa, Yang Yi

16 Foraging behavior of marble goby (Oxyeleotris marmorata, Bleeker 1852) fingerlings to different prey types

Nguyen Phu Hoa, Yang Yi

24 Determination of minimal bactericidal concentration (MBC) of chlorine dioxide (CLO2) on 23 food - poisoning bacteria

Pham Thi Lan Phuong, Ken-ichi Honjo, Takahisha Miyamoto

35 Bacterial groups involved in nitrogen cycle in intensive tilapia (Oreochromis niloticus) culture ponds

Ngo Thi Thanh Huong, Nguyen Thi Thanh Truc, Lai Thuy Hien, W. Gallardo

46 Assessment of genetic diversity and genetic structure of topmouth culter (Culter alburnus)Nguyen Thi Thanh Truc, Vo Van Tuan, Nguyen Phuc Thuong

54 Phylogenetic relationship among indigenous pig populations in Vietnam revealed by mtDNA

Bui Thi Tra Mi, Nguyen Thuy Doan Trang, Koh Nomura, Yukimizu Takahashi, Kazuhiko Sawada, Toshio Yokaichiya, Yasusi Otani, Vo Thi Tuyet, Bui Van Mien, Hanada Hirofumi,

Takashi Amano

60 IIB fibers and the vascular network responsibilities in PSE expression in the pork muscle Semimembranosus and Longissimus dorsi

Ngo Hong Phuong and Michel Franck

64 Effects of metabolite combinations produced by Lactobacillus plantarum on growth performance, diarrhoea, gut environment and digestibility of postweaning piglets

Tran Van Thu, Teck Chwen Loh, Hooi Ling Foo and Nguyen Tien Thanh

72 Gait analysis of healthy cat at walk by using system GAITCatThong Le Quang and Eric Viguier

75 Agricultural production and food security from gender perspective: a survey of Tay Tan commune, Go Cong Dong district, Tien Giang province

Trinh Thi Tien and Ha Thuc Vien

82 Households’ livelihoods in transition: a case study of Cat Tien national park’s buffer zoneHa Thuc Vien and Ngo Minh Thuy

91 Application of coatting and heat treatment in preservation of “Cat Hoa Loc” mangoLam Thanh Hien , Nguyen Minh Xuan Hong, Luu Hong Diep and Tran Quang Huy

95 Screening enzymatic synthesis of glucose palmitate in expanded organic solventPhan Tai Huan and Brunner Gerd

100 Detection of hepatitis A virus in bivalve molluscs (Meretrix spp.) in southern Vietnam using RT-PCR

Ho Thanh Ba

104 Assessing climate change impacts and adaptation in central Vietnam using watershed and community based approach: case study in Quang Nam province

Nguyen Kim Loi, Nguyen Van Trai, Hoang Thi Thuy, Nguyen Thi Huyen, Le Anh Tuan, Suppakorn Chinvanno

112 Using constructed wetland in treating textile wastewaterLe Quoc Tuan, Nguyen Thi Mai

116 Suppressor of hairy wing homolog 4 (SUWH4) as a novel melanoma-related molecule Nguyen Dinh Thang, Ichiro Yajima, Takeshi Yanagishita and Le Quoc Tuan

120 Extraction and utilization process of 2-AP from pandanus’ leaf as the standard for identification and quantification of 2-AP in aromatic rice

Phan Phuoc Hien, Truong Thi Bich Lieu, Tran Van Ton

128 The solution and program of multivariable simulation - applying for some Agricultural mechanical studies

Nguyen Van Hung, Tran Thi Kim Nga, Tran Minh Loc

131 Investigation of cooling solutions in a greenhouse under climatic conditions in Hochiminh city

Nguyen Van Hieu, Nguyen Van Hung

136 The role of the schwa in improving Vietnamese learners’ pronunciation in EnglishHo Ngoc Tram