sustainable rodent control for subsistence farmers in south africa e.f. von maltitz, f. kirsten,...
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SUSTAINABLE RODENT CONTROL FOR SUBSISTENCE FARMERS IN SOUTH AFRICA
E.F. von Maltitz, F. Kirsten, P.S. Malebana 1, S.R. Belmain, A.N. Meyer 2,
C.T. Chimimba and A.D.S. Bastos 3
1 ARC-PPRI, South Africa; 2 NRI, University of Greenwich, Kent, UK
3 Mammal Research Institute, Univ Pretoria, South Africa
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Technology transfer and promotion of Technology transfer and promotion of ecologically-based and sustainable rodent ecologically-based and sustainable rodent
control strategies in South Africa 2002-2006control strategies in South Africa 2002-2006
Participated:ARC-PPRI
LIMPOPO DEPT AGRIC & ENVIRONMENTNRI (UK)
KZN DEPT AGRIC & ENVIRONM AFFAIRSMAMMAL RI, UNIV PRETORIA
Villagers in Limpopo & KZN-North RegionUNIVERSITY of VENDA for S&T
UNIVERSITY of the NORTH (LIMPOPO)
Funded: DFID CPP
ARC-SRL programme (KZN)
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SUSTAINABLE RODENT CONTROL FOR SUBSISTENCE FARMERS IN SOUTH AFRICA
SUSTAINABLE RODENT CONTROL FOR SUBSISTENCE FARMERS IN SOUTH AFRICA
Introduction
Materials and methods
Results
Discussion
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IntroductionIntroduction
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Why can households not
effectively control rodents ?
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Super Intelligent Rodents ?
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Rodent resistance ?
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Sleeping Fat Cats ?
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South AfricaSouth Africa
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SOUTH AFRICA – Limpopo Province SOUTH AFRICA – Limpopo Province
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SOUTH AFRICA – KwaZulu-Natal North Region
SOUTH AFRICA – KwaZulu-Natal North Region
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SUSTAINABLE RODENT CONTROL FOR SUBSISTENCE FARMERS IN SOUTH AFRICA
SUSTAINABLE RODENT CONTROL FOR SUBSISTENCE FARMERS IN SOUTH AFRICA
Introduction
Material and methods
Results
Discussion
Introduction
Material and methods
Results
Discussion
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SurveysSurveysSurveysSurveys
• Pre- and post-trapping survey
• Socio-economic assessment
• Anthropological study
• Market survey
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Baseline dataBaseline data
• Training on rodent trapping and data collecting
• Rodent trapping in houses
• Crop field trapping
• Rodent taxonomy
• Cross-cutting with project RatZooMan
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Baseline data:Baseline data:Training on trapping and rodent data collectingTraining on trapping and rodent data collecting
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Baseline data:Baseline data:Trapping in and around 280 housesTrapping in and around 280 houses
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Four crop fields in LimpopoFour crop fields in Limpopo
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Baseline data: Rodent identificationBaseline data: Rodent identification
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Baseline data: RatZooManBaseline data: RatZooMan
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SUSTAINABLE RODENT CONTROL FOR SUBSISTENCE FARMERS IN SOUTH AFRICA
SUSTAINABLE RODENT CONTROL FOR SUBSISTENCE FARMERS IN SOUTH AFRICA
Introduction
Materials and methods
Results
Discussion
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SurveysSurveys
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Province
Method Limpopo KwaZulu-Natal
Rodenticide 37% 41%
Cats 13% 15%
Traps 5% 8%
Sticky traps / glue 1% 1%
Insecticide 1% 1%
Other methods 1% 1%
No control 58% 37%
Methods used by farmers in Limpopo and Methods used by farmers in Limpopo and KwaZulu-Natal to protect their stored crops KwaZulu-Natal to protect their stored crops
and possessions from rodent damageand possessions from rodent damage
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Market surveyMarket survey
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Trap success: 80 houses LimpopoTrap success: 80 houses Limpopo
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Trap success: 200 houses KZNTrap success: 200 houses KZNMvuzini village
0
5
10
15
Oct/Nov Nov/Dec Dec/Jan Jan/Feb
per
cen
tag
e tr
ap s
ucc
ess
intensive trapping Control
Tholakele and Ophuzana (control)
0
5
10
15
20
25
30
35
Oct/Nov Nov/Dec Dec/Jan Jan/Feb
census period
per
cen
tag
e tr
ap s
ucc
ess
intensive trapping (Tholakele)control (Ophuzana)
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Rodent community structure: different habitats in houses
Rodent community structure: different habitats in houses
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Species composition: Rodents trapped in four villages in Limpopo
Species composition: Rodents trapped in four villages in Limpopo
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Small mammals trapped in houses and in crop fields in four villages in Limpopo 2002-2004
Small mammals trapped in houses and in crop fields in four villages in Limpopo 2002-2004
Village BBKloof GaPhaahla Nkomo Mapate
Species H F H F H F H F RZM
Aethomys ineptus X X X X X X X
Aethomys namaquensis X X X
Dasymys incomtus X
Lemniscomys rosalia X X X X
Mastomys coucha X X X X X
Mastomys natalensis X X X X X
Mus musculus X X X X X X
Mus minutoides X
Otomys angoniensis X X X X
Rattus rattus X X X X X X X
Rattus tanezumi X
Rhabdomys pumilio X X
Saccostomus campestris X X X X
Steatomys sp X X
Tatera leucogaster X X X X
Elephantulus sp. X
Myosorex sp. X
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Rattus tanezumi – first record in South AfricaRattus tanezumi – first record in South Africa
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Rodents trapped in Limpopo crop fields 2002-2004
Rodents trapped in Limpopo crop fields 2002-2004
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Crop fields: rodent damageCrop fields: rodent damage
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Rodent zoonosisRodent zoonosis
Rodents
N = 202
Dogs
N = 34
Plague 0 0
Toxoplasmosis 18,3% 52,9%
Leptospirosis 6,7% 97%
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SUSTAINABLE RODENT CONTROL FOR SUBSISTENCE FARMERS IN SOUTH AFRICA
SUSTAINABLE RODENT CONTROL FOR SUBSISTENCE FARMERS IN SOUTH AFRICA
Introduction
Materials and methods
Results
Discussion
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Active participation – better understandingActive participation – better understanding
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Dissemination of results: feedbackDissemination of results: feedback
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Dissemination of results: radioDissemination of results: radio
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Development of public-private service provision: Training
Development of public-private service provision: Training
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Development of public-private service provision:Improved rodent control tools produced locally
Development of public-private service provision:Improved rodent control tools produced locally
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ConclusionConclusion