Animals This study involved 21 Holstein dairy cows diagnosed with ovarian cysts between 60 and 150 days postpartum and artificially inseminated 4 or 5 times, according to the farm records. For the purpose of the present study, ovarian follicular cysts are defined as anovulatory fluid-filled struc-tures ≥17 mm in diameter that persisted on the ovaries for more than 6 days, according to the protocol described