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Experimental transmission of bovine leukemia virus in cattle via rectal palpation
2006
Kohara, J.(Hokkaido. Animal Research Center, Shintoku (Japan)) | Konnai, S. | Onuma, M.
We examined whether Bovine leukemia virus (BLV) was transmitted by rectal palpation using a common sleeve between a BLV-infected cow and BLV- negative steers. Three of four steers developed antibodies against BLN as determined by agar-gel immunodiffusion (AGID) test between 7 to 10 weeks after the first rectal palpation using common sleeves from BLV-infected cow. In the steers, BLV proviral DNA were detected by PCR 1 to 5 weeks earlier than detection of the antibodies by the AGID test. Our experiments demonstrated that rectal palpation is a potential cause of BLV spread in herds and that detection of BLV proviral DNA in cattle by PCR is useful screening test for early diagnosis of BLV infection.
显示更多 [+] 显示较少 [-]Bovine leukemia virus infection in Taiwan: Evalution of the enzyme linked immunosorbent and agar gel immunodiffusion test
1991
Wang, C.T. (Hokkaido Univ., Sapporo (Japan). Faculty of Veterinary Medicine)
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)
Detection of antibodies in swine serum to Aujeszky's disease virus using agar-gel immunodiffusion test
1990
Cho, H.G. | Jun, M.H. (Chungnam National University, Taejon (Korea Republic). Department of Veterinary Medicine)
