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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.
Clinical evaluation of anaemia in sheep: early trials
2001
Malan, F.S. (Malelane Intervet Research Unit (South Africa)) | Van Wyk, J.A. | Wessels, C.D.
Refugia - overlooked as perhaps the most potent factor concerning the development of anthelmintic resistance
2001
Van Wyk, J.A. (Pretoria Univ., Onderstepoort (South Africa). Veterinary Tropical Diseases Dept.)
A comparison of serum biochemical changes in two breeds of sheep (Red Masai and Dorper) experimentally infected with Fasciola gigantica
1999
Waweru, J.G. | Kanyari, P.W.N. | Mwangi, D.M. | Ngatia, T.A. (Nairobi Univ. (Kenya). Dept. of Veterinary Pathology and Microbiology) | Nansen, P.
A comparison of the infectivity of cryopreserved versus unfrozen infective larvae of Haemonchus contortus, Trichostrongylus colubriformis and Trichostrongylus axei
1999
Krimpsiekte, associated with thalamic lesions, induced by the neurotoxic cardiac glycoside, cotyledoside, isolated from Tylecodon wallichii (Harv.) Toelken subsp. wallichi
1997
Botha, C.J. (Pretoria Univ., Onderstepoort (South Africa). Dept. of Pharmacology and Toxicology) | Van der Lugt, J.J. | Erasmus, G.L. | Kellerman, T.S. | Schultz, R.A. | Vleggaar, R.
Attachment preferences of Hyalomma truncatum and Hyalomma marginatum rufipes ticks (Acari: Ixodidae) on two sheep breeds
1995
Fourie, L.J. | Kok, D.J. (Orange Free State Univ., Bloemfontein (South Africa). Dept. of Zoology and Entomology)
The distribution of Pasteurella haemolytica serotypes among cattle, sheep and goats in South Africa and their association with disease
1995
Odendaal, M.W. (Agricultural Research Council, Onderstepoort (South Africa). Onderstepoort Veterinary Inst.) | Henton, M.M.
Immunohistochemical identification of Cowdria ruminantium in formalin-fixed tissue sections from mice, sheep, cattle and goats
1995
Jardine, J.E. (Pretoria Univ., Onderstepoort (South Africa). Dept. of Pathology) | Vogel, S.W. | Van Kleef, M. | Van der Lugt, J.J
Detection of bluetongue virus and African horsesickness virus in co-infected cell cultures with NS1 gene probes
1995
Venter, E.H. (Pretoria Univ., Onderstepoort (South Africa). Dept. of Veterinary and Tropical Diseases) | Huismans, H. | Van Dijk, A.A.