Congenital and hereditable defects which interfere with the reproductive efficiency of domestic cattle (bos taurus).
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000151:congenital* / Q000235:genetics*; D000013:Congenital Abnormalities / Q000662:veterinary*; D005260:Female; D008297:Male; D012098:Reproduction