提高虹鳟鱼稚鱼成活率诸因素探讨

Factors Affecting Survival Rate of Rainbow Trout in Shanxi and Analysis on the Present Situation of IPN Fish Illness

本文通过山西省虹鳟鱼试验场近几年来的试验研究 ,采取改善营养、加强管理、引进新产品等方式 ,以“试验鱼”形式测试IPN病毒与虹鳟鱼稚鱼成活率之间的相互关系。试验结果表明 :目前影响虹鳟鱼稚鱼成活率的主要因素有营养、品种退化及管理等问题 。

In this paper,the relationshop between the IPN fish illness and the survival rate of the rainbow trout is studied by means of changing the nutrition,improving the management and introducing new variety in the practice of Shanxi rainbow trout experiment ground.The results show that the factors influencing the survival rate of the rainbow trout mainly include the nutrition,variety degradation,and management,the IPN fish illness is not the main factor influencing the survival rate.This is of the practival sign...