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Resultados 121-130 de 197
Effects of the scab mite Psoroptes ovis on the haematology and live mass of Merino and Dorper sheep
2002
Meintjes, T. | Fourie, L.J. | Horak, I.G. (Free State Univ., Bloemfontein (South Africa). Zoology and Entomology Dept.)
Review of current problems and shortcomings in the Tanzanian animal health information system with suggestions on improvement
2002
Kivaria, F.M. | Kapaga, A.M. (Animal Diseases Research Inst., Dar es Salaam (Tanzania))
On-host ecology and off-host survival of the sheep scab mite Psoroptes ovis
2002
Meintjes, T. | Fourie, L.J. | Horak, I.G. (Free State Univ., Bloemfontein (South Africa). Zoology and Entomology Dept.)
Amphistome infection of goats farmed under resource-poor conditions in South Africa
2002
Vatta, A.F. (Agricultural Research Council, Onderstepoort (South Africa). Onderstepoort Veterinary Inst.) | Krecek, R.C.
Freezing of sheep faeces invalidates Haemonchus contortus faecal egg counts by the McMaster technique
2002
Van Wyk, J.A. (Pretoria Univ., Onderstepoort (South Africa). Veterinary Tropical Diseases Dept.) | Van Wyk, L.
The prevalence and economic importance of bovine fasciolosis in Kenya - an analysis of abbattoir data
2002
Kithuka, J.M. (Nairobi Univ. (Kenya). Veterinary Public Health Dept.) | Maingi, N. | Njeruh, F.M. | Ombui, J.N.
Seasonal abundance of adult ixodid ticks infesting cattle belonging to resource-limited farmers in the north-eastern Free State Province of South Africa
2002
Hlatshwayo, M. | Mbati, P.A. | Dipeolu, O.O. (Northern Univ., Phuthaditjhaba (South Africa). Parasitology Research Programme)
Validation of an indirect enzyme-linked immunosorbent assay for the detection of antibody against Brucella abortus in cattle sera using an automated ELISA workstation
2002
Paweska, J.T. (Agricultural Research Council, Onderstepoort (South Africa). Onderstepoort Veterinary Inst.) | Potts, A.D. | Harris, H.J. | Smith, S.J. | Viljoen, G.J. | Dungu, B. | Brett, O.L. | Bubb, M. | Prozesky, L.
The classification of seven serotypes of equine encephalosis virus and the prevalence of homologous antibody in horses in South Africa
2002
Howell, P.G. (Pretoria Univ., Onderstepoort (South Africa). Equine Research Centre) | Groenewald, D. | Visage, C.W. | Bosman, A.-M. | Coetzer, J.A.W. | Guthrie, A.J.
Strategic control of gastrointestinal nematodes of sheep in the highlands of central Kenya
2002
Maingi, N. (Nairobi Univ. (Kenya). Veterinary Pathology, Microbiology and Parasitology Dept.) | Otieno, R.O. | Gichohi, V.M. | Weda, E.H.
