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Position: Home > Articles > THE ANNUAL CYCLE OF GONADAL DEVELOPMENT IN TENUALOSA REEVESII Journal of Fisheries of China 1999 (1) 15-21

养殖鲥鱼性腺发育的年周期变化

作者：

王汉平;魏开金;姚红;麦家柏;林加敬;熊邦喜

单位：

华中农业大学水产学院;中国水产科学研究院长江水产研究所;东莞市水产养殖良种试验场

关键词：

鲥鱼;性腺发育;周期变化

摘要：

养殖鲥鱼经生态和激素调控，大多数在４、５龄性腺发育成熟，雌鱼最小成熟为４龄，雄鱼为３龄。秋季，完成第一次性成熟并产卵的鲥鱼，卵巢逐步由第Ⅵ期退化至第Ⅱ期。冬季卵巢中老一代卵母细胞基本退化吸收完毕，新生的卵母细胞均处于原生质生长期，卵巢处于第Ⅱ期。春季的２－３月，体内开始积累脂肪。后期，新生的卵母细胞开始积累卵黄，４月卵巢处于 Ⅱ－Ⅲ期。夏季卵巢发育迅速，５月份进入第Ⅳ期初，７月中旬大部分卵巢发育至Ⅳ期末甚至Ⅴ期，６月全部达到第Ⅴ期。而精巢６－７月初已全部为第Ⅴ期。因此，精卵巢的发育在繁殖前存在不同步现象。

译名：

THE ANNUAL CYCLE OF GONADAL DEVELOPMENT IN TENUALOSA REEVESII

作者：

WANG Han-Ping; WEI Kai-Jing; YAO Hong (Yangtze River Fisheries Institute, Chinese Academy of Fishery Sciences, Jingzhou 434000) MAI Ja-Bo;LIN Ja-Jing (Dongguang Fisheries Experimental Field, Dongguang 511700) XIONG Bang-Xi (Fisheries College, Huazhong Ag

关键词：

Tenualosa reevesii, Gonadal development, Sexual cycle

摘要：

The majority of cultured reeves shad in pond conditions mature at the age of 4 and 5 by environmental and hormonal manipulations, but the age at the first maturity is 3 years for male and 4 years for female. In autumn, ovaries of spawned shad degenerate to previtellogenesis stage(stage II ) from spent stage (stage VI ). In winter, the old oocytes of mature female are basically absorbed over, and ovaries are at previtellogenesis stage. In February and March of spring, shad begin to store fat and later, oocytes begin to accumulate yolk material. The ovaries are at previtellogenesis to early vitellogenesis stage in May. In summer, ovaries develop rapidly, and reach late vitellogenesis stage by the end of May and mature stage at the middle of July. The development of testes of male is coincident with female during autumn to spring, but more fast at summer, and some of them by the end of May, and all of them in June reach mature stage. Therefore, the development of ovary and testes is not synchronous before breading.

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养殖鲥鱼性腺发育的年周期变化

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