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Full-Text Articles in Animal Sciences
Longitudinal Study Of Humoral Immunity To Bovine Coronavirus, Virus Shedding, And Treatment For Bovine Respiratory Disease In Pre-Weaned Beef Calves, Aspen M. Workman, Larry A. Kuehn, Tara G. Mcdaneld, Michael L. Clawson, John Dustin Loy
Longitudinal Study Of Humoral Immunity To Bovine Coronavirus, Virus Shedding, And Treatment For Bovine Respiratory Disease In Pre-Weaned Beef Calves, Aspen M. Workman, Larry A. Kuehn, Tara G. Mcdaneld, Michael L. Clawson, John Dustin Loy
Department of Animal Science: Faculty Publications
Background: Bovine coronavirus (BCV) is associated with respiratory infections in cattle of all ages; however, a temporal study to evaluate the effect of BCV immunity on virus shedding and bovine respiratory disease (BRD) incidence in pre-weaned beef calves has not been reported. Thus, we report here a prospective study in three herds of crossbred beef calves (n = 817) with endemic BCV. Serial blood samples for measurement of serum anti-BCV antibody titers and nasal swabs for detection of BCV and other common viral and bacterial BRD pathogens were collected from all calves or subsets of calves at predetermined times …