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1.引言罗非鱼作为食用鱼极其广泛地养殖在世界温水地区。该属鱼养殖中的一个主要问题是繁殖过多,导致群体过密而阻碍生长。已经证明有三种方法在产生生长较快的雄性
1. INTRODUCTION Tilapia are farmed extensively in the warm world as edible fish. One of the major problems with this genus of fish is breeding too much, causing the population to grow too densely and impede growth. Three methods have proven to produce faster-growing males