Effects of Concurrent Chlortetracycline Mass Medication with Tulathromycin Metaphylaxis on Health and Performance of High-Risk Cattle

The use of metaphylaxis on arrival has been shown to decrease morbidity due to bovine respiratory disease complex (BRDC) in newly received, high-risk stocker cattle. The objectives of this study were to examine the effects of mass medication with chlortetracycline concurrently with metaphylactic treatment using tulathromycin on the health and performance of high-risk cattle.