Reduction in daily milk yield associated with sub-clinical bovine herpes virus 1 infectionTools Statham, Jonathan M.E., Randall, Laura V. and Archer, Simon C. (2015) Reduction in daily milk yield associated with sub-clinical bovine herpes virus 1 infection. Veterinary Record, 177 (13). 339/1-339/4. ISSN 0042-4900 Full text not available from this repository.
Official URL: http://veterinaryrecord.bmj.com/content/177/13/339
AbstractThe aim of this observational cohort study was to investigate the potential economic effect of sub-clinical Bovine Herpes Virus 1 (BoHV-1) infection in a commercial UK dairy herd in terms of milk yield depression. Infection status of cows (infected or not infected) was assigned from serology on a single occasion. A multi-level linear model was used to evaluate the effect of infection status on milk production, using milk records that were routinely collected over two years. BoHV-1 seropositive cows produced 2.6 kg/day less milk over the study period compared with cows that were seronegative. This result highlights the importance of appropriate management of risks associated with BoHV-1 as part of proactive herd health and production management.
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