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Full-Text Articles in Veterinary Toxicology and Pharmacology

A Prevalence Study Of Southeast Origin Sale Barn Beef Cattle, Comingled In Warren County, Kentucky, Persistently Infected With Bovine Viral Diarrhea Virus, Including The Effects Of Season And Body Weight, Sarah Elizabeth Thomas May 2011

A Prevalence Study Of Southeast Origin Sale Barn Beef Cattle, Comingled In Warren County, Kentucky, Persistently Infected With Bovine Viral Diarrhea Virus, Including The Effects Of Season And Body Weight, Sarah Elizabeth Thomas

Masters Theses & Specialist Projects

Bovine viral diarrhea (BVD) is an economically important disease of cattle. Calves persistently infected (PI) with the bovine viral diarrhea virus (BVDV) are a powerful agent for spread of the virus. A total of 24,423 southeast origin beef cattle comingled at three Warren County, Kentucky locations were tested from November 2007 to June 2010 for PI BVDV. A total of 97 head tested positive for PI BVDV, giving an average overall prevalence of 0.397%.
Calves tested were subdivided into categories for additional calculations of dependence. A total of 8,910 were categorized by weight range upon testing (300-399 lbs, 400-499 lbs, …