Isolation of bovine herpesvirus-1 (BHV-1) and bovine viral diarrhea virus (BVDV) in association with the in vitro production of bovine embryos |
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Authors: | Bielanski A Loewen K S Del Campo M R Sirard M A Willadsen S |
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Institution: | Agriculture Canada, Animal Diseases Research Institute P.O. Box 11300, Station H, Nepean, Ontario, Canada K2H 8P9. |
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Abstract: | The purpose of this study was to determine whether oocytes obtained from bovine ovaries collected at commercial abattoirs for use in in vitro fertilization programs would be contaminated with bovine herpesvirus-1 (BHV-1) and/or bovine viral diarrhea virus (BVDV). In total, of 85 samples tested containing 759 embryos produced by in vitro fertilization, 2 (2.4%) were positive for BHV-1 while none were positive for BVDV. The follicular fluid collected during oocyte aspiration tested positive in 11.8% for BVH-1 and in 4.7% for BVDV. Oviductal cells used to co-culture zygotes/embryos tested positive for BHV-1 and BVDV in 6.2% and 1.2% samples respectively. |
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