The search for viruses in bovine semen, a review |
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Authors: | Kahrs R F Gibbs E P Larsen R E |
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Institution: | Department of Preventive Medicine College of Veterinary Medicine University of Florida Gainesville, Florida 32610 USA. |
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Abstract: | Viruses reported in bovine semen include those of foot and mouth disease, bluetongue, bovine leukemia, infectious bovine rhinotracheitis, bovine viral diarrhea, ephemeral fever, and lumpyskin disease. Bovine enteroviruses, a parapoxvirus (paravaccinia), and several uncharacterized viruses have also been isolated. Their presence in semen has been recognized by a variety of animal inoculation and cell culture techniques. The prevalence of viruses in semen and the attendant impact on fertility is largely unknown. The widespread distribution of frozen semen, an ideal system for preserving viral infectivity, indicates this product could serve as an important vehicle for transmission of viruses to uninfected herds or areas. This concern has placed restrictions on international movement of semen. Improved methods for detecting viruses in semen are necessary to assess the importance of the problem and to develop realistic precautionary measures. |
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