盐度对胡子鲇、革胡子鲇及其杂交子一代胚胎发育的影响  

The effects of salinity on embryonic development of Clarias fuscus, Clarias lazera and their hybrid F 1

作　　者：邬国民[1,2] 罗建仁[1,2] 林国光 李大疆[1,2] 李恒颂 

机构地区：[1]农业部热带亚热带鱼类选育与养殖部级重点开放实验室 [2]中国水产科学研究院珠江水产研究所

出　　处：《中国水产科学》1998年第3期43-46,共4页Journal of Fishery Sciences of China

摘　　要：胡子鲇、革胡子鲇及其杂交子一代珠胡子鲶胚胎发育各期的存活率和孵化率均随着盐度的升高而降低，该类鱼胚胎发育的环境盐度以不超过５为宜；发育至孵化期胚胎所能耐受的最高盐度革胡子鲇是１０，胡子鲇和珠胡子鲇是１１。盐度对３种胡子鲇胚胎发育速度影响不大，总的趋势是随着盐度的升高而变慢。The effects of salinity on embryonic development of Clarias fuscus(F), Clarias lazera(L) and their hybrid F 1(P) are that both the survival rate at some stages and hatch rate of them decrease as salinity increases. The suitable salinity is 5, the highest tolerance for salt concentration while catfish can hatch is 10 for F, 11 for L and P. Salinity has little effect on the rate of their embryonic development . After all the tate will be postponed.

关 键 词：胡子鲇 革胡子鲇 杂交种 盐度 胚胎发育 

分 类 号：S965.19[农业科学—水产养殖]