The reproductive history of cows slaughtered in north-west Nigeria, as indicated by examination of their ovaries.
D000818:Animals; D002417:Cattle / Q000502:physiology*; D002452:Cell Count; D003338:Corpus Luteum / Q000033:anatomy & histology; D005260:Female; D006733:Horns / Q000033:anatomy & histology; D009549:Nigeria; D006080:Ovarian Follicle / Q000033:anatomy & histology; D010053:Ovary / Q000033:anatomy & histology*; D011247:Pregnancy; D012098:Reproduction