论文部分内容阅读
1.养殖类型要适当。养殖类型有以鲢鱼、鳙鱼为主的,有以草鱼为主的,也有以鳙鱼、草鱼为主的,任何一种养殖类型都能达到高产的目的。但是,必须根据鱼种状况、饵料来源、池塘条件、技术管理水平等方面合理确定。2.混养比例要恰当。在混养的池塘里,鱼类的食性、习性虽然有相互利用的一面,如果搭配比例失
1. Breeding type should be appropriate. Breeding types are mainly silver carp, bighead carp, there are mainly grass carp, but also mainly with anchovy, grass carp, any one of the types of farming can achieve the purpose of high yield. However, it must be reasonably determined based on the status of the species, the source of the bait, the conditions of the pond, and the level of technical management. 2. polyculture ratio should be appropriate. In polyculture ponds, although the habits and habits of fish are mutually beneficial, if the proportion of lost