خيارات البحث
النتائج 1 - 5 من 5
Studies on enzootic bovine leukosis - (1) - The changes of antibodies against bovine leukemia virus and peripheral blood lymphocyte on Holstein cattle in a dairy farm
1990
Kim, C.J. | Son, J.Y. | Ko, K.W. (Yeungnam University, Kyeongsan (Korea Republic). Department of Animal Science)
Studies on enzootic bovine leukosis - (2) - Survey for antibodies to bovine leukemia virus in the Holstein calves in a dairy farm
1990
Kim, C.J. | Son, J.Y. | Ko, K.W. (Yeungnam University, Kyeongsan (Korea Republic). Department of Animal Science)
Progression towards endemic stability to bovine babesiosis in cattle introduced onto a game ranch
Regassa, A.; Penzhorn, B.L.; Bryson, N.R.(Pretoria Univ., Onderstepoort (South Africa). Veterinary Tropical Diseases Dept.)
Endemic stability for Theileria parva infections in Ankole calves of the Ankole ranching scheme, Uganda
2004
Kivaria, F.M. (Animal Research Inst., Dar es Salaam (Tanzania). Population Studies) | Heuer, C. | Jongejan, F. | Okello-Onen, J. | Rutagwenda, T. | Unger, F. | Boehle, W.
The absence of clinical disease in cattle in communal grazing areas where farmers are changing from an intensive dipping programme to one of endemic stability to tick-borne diseases
1998
Tice, G.A. (Southern African Medical Univ., Medunsa (South Africa). Dept. of Production Animal Medicine) | Bryson, N.R. | Stewart, C.G. | Du Plessis, B. | De Waal, D.T.
