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结果 41-50 的 119
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.)
Transmission studies on Trichinella species isolated from Crocodylus niloticus and efficacy of fenbendazole and levamisole against muscle L1 stages in Balb C mice
2001
Mukaratirwa, S. | Magwedere, K. | Matenga, E. (Zimbabwean Univ., Harare (Zimbabwe). Paraclinical Veterinary Studies Dept.) | Foggin, C.M.
A chemically defined medium for the growth of Cowdria ruminantium
2001
Zweygarth, E. | Josemans, A.I. (Agricultural Research Council, Onderstepoort (South Africa). Onderstepoort Veterinary Inst.)
Hosts of the immature stages of the rhinoceros tick, Dermacentor rhinocerinus (Acari, Ixodidae)
2001
Horak, I.G. (Pretoria Univ., Onderstepoort (South Africa). Veterinary Tropical Diseases Dept.) | Cohen, M.
Seasonal variation in cotyledoside concentration of Tylecodon wallichii (Harv.) Tolken subsp. wallichii sampled in a krimpsiekte-prevalent region
2001
Botha, C.J. (Pretoria Univ., Onderstepoort (South Africa). Pharmacology and Toxicology Dept.) | Rundberget, T. | Wilkins, A.L. | Mulders, M.S.G. | Flaoyen, A. | Van Aardt, M.P.
A survey on anthelmintic resistance in nematode parasites of sheep in Lusaka, Zambia
2001
Gabriel, S. | Phiri, I.K. (Zambia Univ., Lusaka (Zambia). Clinical Studies Dept.) | Dorny, P. | Vercruysse, J.
Multifactorial mortality in bongos and other wild ungulates in the north of the Congo Republic
2001
Huchzermeyer, F.W. | Penrith, M.-L. | Elkan, P.W.
Normal oral bacterial flora from some southern African snakes
2001
Blaylock, R.S.M. (Leslie Williams Memorial Hospital, Carltonville (South Africa))
Prevalence of virulent Rhodococcus equi in isolates from soil collected from two horse farms in South Africa and restriction fragment length polymorphisms of virulence plasmids in the isolates from infected foals, a dog and a monkey
2001
Takai, S. (Kitasato Univ., Towada (Japan). Animal Hygiene Dept.) | Henton, M.M. | Picard, J.A. | Guthrie, A.J. | Fukushi, H. | Sugimoto, C.
Seroprevalence of Toxoplasma gondii and Chlamydia psittaci in domestic pigeons (Columba livia domestica) at Sebele, Gaborone, Botswana
2001
Mushi, E.Z. (Botswana College of Agriculture, Gaborone (Botswana)) | Binta, M.G. | Chabo, R.G. | Ndebele, R. | Panzirah, R.
