The observation results of the ovary and oviduct morphological structure of 20,22,24,26 and 28 week old geese showed that the ovaries and oviducts of geese maturated rapidly in morphology before beginning laying.The oviducts differentiated evidently into 5 parts:infundibulum,albumen secreting,isthmus,utera and vagina at the time of sexual maturity and degenerative and atrophic follicles follicl...