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  • Title: A polymerase chain reaction (PCR) assay for the detection of bovine herpesvirus 1 (BHV1) in selectively digested whole bovine semen.
    Author: Wagter LH, Glas RD, Bleumink-Pluym N, Van Engelenburg FA, Rijsewijk FA, Houwers DJ.
    Journal: Vet Res Commun; 1996; 20(4):401-8. PubMed ID: 8865582.
    Abstract:
    A PCR assay for the detection of bovine herpesvirus type 1 (BHV1) DNA in selectively digested whole bovine semen was developed and evaluated. A brief treatment with proteinase-K was used to lyse free virus, virus present in non-sperm cells and virus adhering to the spermatozoa. Genomic bovine DNA was not released by this treatment. Primers and probes were based on the nucleotide sequence of the gD gene. BHV1 virus-spiked split samples were used as positive controls and the PCR products were detected by eye in ethidium bromide-stained agarose gels. Sequentially collected non-extended semen samples from experimentally infected bulls were used to compare this assay with virus isolation. Of a total of 162 ejaculates, 51 were found positive by virus isolation, whereas PCR detected BHV1 DNA in 73. PCR detected BHV1 DNA for a longer period after infection and reactivation. Apart from its superior sensitivity, this PCR assay also has the advantage of being a relatively simple procedure, providing results within 24 h.
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