Abstract
The congenital cardiovascular anomalies in large and medium sized animals are reviewed. The incidences of cardiovascular anomalies were 0.2 to 4.1% among the animals in the reviewed reports. The most common anomalies were ventricular septal defect (VSD), tricuspid atresia and tetralogy of Fallot in the horse ; VSD, double outlet right ventricle and tetralogy of Fallot in the cattle ; VSD, atrial septal defect, endocardial cushion defect and aortic stenosis in the swine ; VSD and tetralogy of Fallot in the sheep respectively. The agent of cardiovascular anomalies was unknown.