245 RISK OF TRANSMISSION OF BOVINE LEUKOSIS VIRUS (BLV) USING SEROPOSITIVE BULLS FOR IN VITRO FERTILIZATION EMBRYO PRODUCTION

• Published in: Reproduction fertility and development Vol. 28; no. 2
• Main Authors: Stewart, J, Rubessa, M, Polkoff, K, Lotti, S, Wheeler, M
• Format: Journal Article
• Language: English
• Published: CSIRO Publishing 2016
• Subjects: agarose; beef; biosecurity; blastocyst; bulls; centrifugation; dairy herds; dehorning; DNA; electrophoresis; enzootic bovine leukosis; ethidium; farms; gels; glucose; hatching; in vitro fertilization; international trade; leukocytes; lymphosarcoma; milk production; morula; oocytes; pathogens; polymerase chain reaction; risk; semen; seroprevalence; spermatozoa; virus transmission; viruses; zygote; United States

Bovine leukosis virus (BLV) is a pathogen that affects the bovine immune system and leads to lymphosarcoma, leukemia, decreased milk production, and increased culling rates in cattle. BLV-infected cattle herds can be found worldwide; in the United States, specifically, 38% of beef herds, 84% of all...