Infectious reproductive disease pathogens in dairy herd bulls
AS Hancock, PJ Younis, DS Beggs, PD Mansell, MF Pyman
Australian Veterinary Journal | WILEY-BLACKWELL | Published : 2015
OBJECTIVE: Investigate the presence of infectious reproductive disease pathogens in dairy herd bulls in south-west Victoria, Australia, using a cross-sectional study. METHODS: Dairy herd bulls from 32 herds were sampled for bovine viral diarrhoea virus (BVDV: 256 bulls, 32 herds) prior to the natural mating period, bovine herpes virus-1 prior to (10 bulls, 5 herds) and after (118 bulls, 19 herds) the natural mating period, and for Campylobacter fetus spp. and Tritrichomonas foetus after the natural mating period (61 bulls, 7 herds). BVDV was detected from an ear-notch sample using a commercially available rapid assay ELISA, bovine herpes virus-1 and T. foetus were screened for by PCR from a ..View full abstract
Funding for the laboratory testing was provided by Zoetis, Idexx and Dairy Australia. The authors acknowledge the expert assistance provided by Dr Sharon de Wet at R & D Veterinary Services in the processing of the Campylobacter spp. cultures and T. foetus PCR.