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  • Title: Very low prevalence of bovine immunodeficiency virus infection in western Canadian cattle.
    Author: Gonzalez GC, Johnston JB, Nickel DD, Jacobs RM, Olson M, Power C.
    Journal: Can J Vet Res; 2001 Jan; 65(1):73-6. PubMed ID: 11227201.
    Abstract:
    Bovine immunodeficiency virus (BIV) is a lentivirus that causes disease in cattle. Despite the large cattle industry in western Canada, the presence of BIV has not been examined to date. Genomic DNA, derived from semen and buffy coat samples, was analyzed by nested polymerase chain reaction (PCR) using specific primers for the gag, pol, and env genes of BIV. Despite utilizing a procedure that detected a minimum of 10 proviral copies, BIV sequences were not amplified in any of 317 buffy coat and 50 semen samples that were obtained from an archive that included 27 cattle breeds, collected from different sources in Alberta (1980-1999). In the 367 DNA samples examined, there was no evidence of BIV infection, suggesting that the prevalence of BIV infection was very low.
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