摘要
在常规催产剂中加入适量的A型添加剂,可使鳜鱼的催产率提高10%以上,受精率提高5%以上。使用15×10-6的福尔马林,可有效地杀灭寄生于鳃及体表的寄生虫和细菌,从而大大提高苗种成活率。
It increases the ovulated fishes 10% more and raises fertilzed rate 5% more of Siaipea choatsi, when substance-A is added to conventional hasten ovulation drugs.By using formalin 150ppm, one can effectively kill the parasite and bacteria on gills and skin of fish, thus, greatly enhanced the survival rate of fry.
关键词
鳜鱼
催产率
受精率
成活率
Siniperca chotsi
Rate of ovulation
Fertilized rate
Survival rate