Abstract

Bovine virus diarrhea (BVD) virus was inoculated into 9 bulls. Semen samples were collected to determine if BVD virus could be isolated from semen and to determine if the virus affected semen quality. The reproductive tracts of 6 bulls were recovered following slaughter and subjected to virus isolation procedures and histologic examination. BVD virus was detected in 4 of 98 semen samples following inoculation. The virus was also recovered from the testicle of one bull following slaughter. Inoculation of BVD virus into bulls did not affect semen quality and did not cause gross or microscopic lesions in the reproductive tract. This experiment indicates that following inoculation of BVD virus into bulls, the virus may be shed in the semen. However, the probability of this occurring is low.

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