Case-control study to determine herd-level risk factors for bovine respiratory disease in nursing beef calves on cow-calf operations.
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DOI: 10.2460/javma.252.8.989
Abstract: OBJECTIVE To determine herd-level risk factors for bovine respiratory disease (BRD) in nursing beef calves. DESIGN Matched case-control study. SAMPLE 84 cow-calf operations in Nebraska, North Dakota, and South Dakota. PROCEDURES Case herds were herds… read more here.
Keywords: nursing beef; control; case; beef calves ... See more keywords