Leping swine is a local breed in Jiangxi province Male andfemale Leping pigs(experiment group)and Long-white pigs(controlgroup)were used to investigate.The development of their reprodu-ctive organs(testis、epididymis and ovary)by histological methodExperimental and control groups were sacrificed on the 1、30、60、7580、90、120、150、and 180 days after birth respectively.On the 80thday.the successive stages in the transformation of the spermatidsinto the spermatozoa in the semiferous tubules could be seen.Onthe 90th...