Seven cases of congenital cardiac anomalies in calves were reviewed from the files of the Ohio Veterinary Diagnostic Laboratory. The collection of material occurred during a six-month period from June 1977 to January 1978. The major clinical signs were dyspnoea, failure to gain weight and sudden death in young animals. The cardiac defects included two patent ductus arteriosus, two anomalies of the coronary vessels, one persistent truncus arteriosus, one transposition of the aorta and pulmonary artery and one ventricular septal defect.
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