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俗话说:“鸡要买得叫,鱼要买得跳。”许多养鱼户经过一年的辛勤劳动,到了成鱼销售的季节却遇到了难题,鱼不耐贮运,全身充血,出现死鱼。这时候绝大多数养殖户往往都认为饲料有问题。为了片面地降低饵料系数,提高鱼的生长速度,确实有些饲料生产厂家,在饲料中加入激素类或类激素类
As the saying goes: "After a year of hard work, many fish farmers have encountered difficulties in the season of adult fish sales. Fish are intolerant in storage and transportation, and their bodies become congested and dead fish appear. At this time most farmers often think that there is a problem with feed. In order to unilaterally reduce feed conversion and increase the growth rate of fish, it is true that some feed manufacturers add hormones or hormones to feed