论文部分内容阅读
近年来黄颡鱼的人工繁殖技术有所突破,不少地方尝试规模化生产鱼苗鱼种。但由于黄颡鱼性腺结构的特殊性,人工繁殖受精率、苗种的成活率均较低,因此苗种价格较高。江苏常州郑陆农场从1999年开始,根据天然水体中黄颡鱼的繁殖习性,摸索黄颡鱼池塘自然繁殖技术并取得了成功,黄颡鱼
In recent years, there has been a breakthrough in artificial breeding of catfish, and many localities are trying to produce fish and fish species on a large scale. However, due to the particularity of gonadal structure of yellow catfish, artificial fertilization rate, the survival rate of seedlings are lower, so the price of seed is higher. Changzhou, Jiangsu Cheng Lu farms began in 1999, according to the natural habitats of yellow catfish reproduction, to explore the natural catfish pond reproduction technology and achieved success, catfish