Reproduction Abstracts

Dairy cow fertility has declined over the past 50 years coinciding with increased milk production. Uterine health is an important factor with endometritis prevalent in high-yielding dairy cows. This study assessed the association between uterine disease on reproductive performance in 78 commercial UK dairy herds. Data from 59 118 lactations (n=29 157 cows) was collected from 2000to 2009 and included presence of uterine disease, calving date, and insemination informati...