Disorders of performance-age bucking bulls

Journal of the American Veterinary Medical Association
Joe S SmithMunashe Chigerwe

Abstract

OBJECTIVE To describe disorders of performance-age bucking bulls. DESIGN Retrospective case-control study. ANIMALS 78 bucking (cases) and 236 nonbucking (controls) beef bulls. PROCEDURES The medical record database of a referral hospital was reviewed to identify beef bulls > 1 year old that were examined for a medical or musculoskeletal disorder between January 1, 2000, and April 1, 2014. Bucking bulls were designated as cases, and nonbucking bulls were designated as controls. For each bull, the signalment, history, physical examination and diagnostic test results, and clinical diagnosis were recorded. The frequency of each disorder was compared between cases and controls. RESULTS Fifteen of 78 (19%) cases and 132 of 236 (56%) controls had medical disorders; however, the frequency did not differ between the 2 groups for any medical disorder. Musculoskeletal disorders were identified in 55 (70.5%) cases and 109 (46%) controls. Cases were 10.55 times as likely as controls to have horn and sinus disorders. Of the 43 (55%) cases examined because of lameness, the thoracic limb was affected in 19 (44%). Compared with controls, cases were 13.37 and 3.31 times as likely to have a musculoskeletal disorder of the vertebral region and pel...Continue Reading

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Citations

Aug 21, 2019·Journal of the American Veterinary Medical Association·Katharine M SimpsonMelanie J Boileau

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