摘要以289尾兴国红鲤(Cyprinus carpio var. singuonensis)雄体为材料,研究了精巢在第一次性周期内的发育。雄鱼3月龄,精巢发育为第Ⅰ期,4月龄发育为第Ⅱ期,4～6月龄发育为第Ⅲ期,8～10月龄发育为第Ⅳ期,11～12月龄发育为第Ⅴ期,性成熟期为1周龄。性成熟后精巢发育的周年变化表明;
Abstract：This paper deals with the development of the testis and the morphological features of sperm ceils of Singuo red carp and 289 specimens have been studied.The testis develops to stage Ⅰat the age of 3 months, to stage Ⅱ at the age of 4 months, to stage Ⅲ
1989, Vol. 13 