Article
Genetic characterization of bovine viral diarrhea viruses isolated from persistently infected calves born to dams vaccinated against bovine viral diarrhea virus before breeding.
American journal of veterinary research - 1 Jan 2009
Bolin Steven R, Lim Ailam, Grotelueschen Dale M, McBeth William W, Cortese Victor S
Abstract excerpt
OBJECTIVE: To collect and partially characterize strains of bovine viral diarrhea viruses(BVDVs) isolated from persistently infected (PI) calves born to vaccinated dams, determine genetic diversity of the isolated viruses, and identify regional distribution of genetically similar virus subpopulations. SAMPLE POPULATION: 17 noncytopathic (NCP) BVDVs from PI calves from 11 herds of beef or dairy cattle. PROCEDURES:...
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