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
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)
SUSTAINABLE RODENT CONTROL FOR SUBSISTENCE FARMERS IN SOUTH AFRICA
SUSTAINABLE RODENT CONTROL FOR SUBSISTENCE FARMERS IN SOUTH AFRICA
Introduction
Materials and methods
Results
Discussion
IntroductionIntroduction
Why can households not
effectively control rodents ?
Super Intelligent Rodents ?
Rodent resistance ?
Sleeping Fat Cats ?
South AfricaSouth Africa
SOUTH AFRICA – Limpopo Province SOUTH AFRICA – Limpopo Province
SOUTH AFRICA – KwaZulu-Natal North Region
SOUTH AFRICA – KwaZulu-Natal North Region
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
SurveysSurveysSurveysSurveys
• Pre- and post-trapping survey
• Socio-economic assessment
• Anthropological study
• Market survey
Baseline dataBaseline data
• Training on rodent trapping and data collecting
• Rodent trapping in houses
• Crop field trapping
• Rodent taxonomy
• Cross-cutting with project RatZooMan
Baseline data:Baseline data:Training on trapping and rodent data collectingTraining on trapping and rodent data collecting
Baseline data:Baseline data:Trapping in and around 280 housesTrapping in and around 280 houses
Four crop fields in LimpopoFour crop fields in Limpopo
Baseline data: Rodent identificationBaseline data: Rodent identification
Baseline data: RatZooManBaseline data: RatZooMan
SUSTAINABLE RODENT CONTROL FOR SUBSISTENCE FARMERS IN SOUTH AFRICA
SUSTAINABLE RODENT CONTROL FOR SUBSISTENCE FARMERS IN SOUTH AFRICA
Introduction
Materials and methods
Results
Discussion
SurveysSurveys
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
Market surveyMarket survey
Trap success: 80 houses LimpopoTrap success: 80 houses Limpopo
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)
Rodent community structure: different habitats in houses
Rodent community structure: different habitats in houses
Species composition: Rodents trapped in four villages in Limpopo
Species composition: Rodents trapped in four villages in Limpopo
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
Rattus tanezumi – first record in South AfricaRattus tanezumi – first record in South Africa
Rodents trapped in Limpopo crop fields 2002-2004
Rodents trapped in Limpopo crop fields 2002-2004
Crop fields: rodent damageCrop fields: rodent damage
Rodent zoonosisRodent zoonosis
Rodents
N = 202
Dogs
N = 34
Plague 0 0
Toxoplasmosis 18,3% 52,9%
Leptospirosis 6,7% 97%
SUSTAINABLE RODENT CONTROL FOR SUBSISTENCE FARMERS IN SOUTH AFRICA
SUSTAINABLE RODENT CONTROL FOR SUBSISTENCE FARMERS IN SOUTH AFRICA
Introduction
Materials and methods
Results
Discussion
Active participation – better understandingActive participation – better understanding
Dissemination of results: feedbackDissemination of results: feedback
Dissemination of results: radioDissemination of results: radio
Development of public-private service provision: Training
Development of public-private service provision: Training
Development of public-private service provision:Improved rodent control tools produced locally
Development of public-private service provision:Improved rodent control tools produced locally
ConclusionConclusion