论文部分内容阅读
鳖也称甲鱼、脚鱼、团鱼等,其营养丰富,味道鲜美,因而供不应求。所以,养鳖是很有发展前途的养殖业。但是,养鳖和养鱼最好结合起来,以发挥多方面的效益。 1、饲料利用率高。只要鱼种选择得当,鱼鳖不会争食,而且还能提高饲料利用率。鳖主要以放养的螺蛳、河蚌及投放的肉食加工废料为食,鱼以投喂野草、浮游生物等为食。鳖未吃完的饲料及鳖粪含氮、磷、钾很高,对水质起培肥作用,促进浮游生物生长,从而增加鱼的食料;鱼粪增多有利于螺蛳、河蚌的生长,
Soft-shelled turtle, also known as turtle, foot fish, fish groups, its nutrient-rich, delicious, and therefore in short supply. Therefore, raising turtle is a promising development of aquaculture. However, raising turtles and fish is best combined to play a multi-faceted benefits. 1, high feed utilization. As long as the proper selection of fish species, fish and turtles will not fight for food, but also improve feed utilization. Soft-shelled turtle mainly stocking snail, mussel and put the meat processing waste for food, feeding the weeds to grass, plankton and other food. Soft-shelled turtle feed and turtle manure nitrogen, phosphorus, potassium is very high, play a fattening effect on water quality and promote the growth of plankton, thereby increasing the food of fish; Increased fish manure is conducive to the snail, mussel growth,