Assessment of events occurring during the previous lactation, the dry period, and peripartum as risk factors for early lactation mastitis in cows administered different intramammary dry-cow treatments

摘要

The objective of this study was to investigate the association of events occurring during the previous lactation, the dry period, and the peripartum period with the incidence of early lactation mastitis in cows administered intramammary ceftiofur hydrochloride or penicillin dihydrostreptomycin dry-cow treatment.