Associations between paratuberculosis status and milk production traits in Holstein cattle under consideration of interaction effects between test result and farm and lactation number


One of the most important factors for economic losses as result of infection with Mycobacterium avium ssp. paratuberculosis (MAP) is the decrease in milk yield. Different phenotyping methods for MAP lead to an inconsistent impact of MAP infection on milk parameters. It was the aim of the study to analyse the effect of the MAP status on milk yield, milk fat… (More)


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