近几年来,由于草鱼经济价值较高,饲料来源广泛,因而一些养鱼户将草鱼作为主要养殖对象,根据养殖户的经验,在草鱼饲养中应注意以下几个问题。 一、草鱼泛塘 主养草鱼池塘不同于普通泛塘,可以引起草鱼死亡。而且规格越大,死亡率越高。经剖检,可见死鱼肠道内充有大量食物,是晚间摄食过多所致。草鱼属贪食性鱼类,只要环境适宜,其食欲基本无节制。如草鱼在傍晚前后摄取大量食物,待半夜水中溶氧低而不摄食时,其体内存有大量食物,此时水中溶氧值要比最低耐受指标高 In recent years, due to the high economic value of grass carp and the wide range of sources of feed, some fish farmers regard grass carp as the main breeding target. According to the experience of farmers, the following problems should be paid attention to during the feeding of grass carp. First, grass carp Pan Tong main grass carp pond is different from the ordinary Pan Tong, can cause grass carp death. And the larger the specification, the higher the mortality rate. After the autopsy, we can see a large number of dead fish intestine filled with food, due to excessive intake of the evening. Grass carp is a bulimia fish, as long as the environment is suitable, its basic loss of appetite. Such as grass carp in the evening before and after ingesting a large amount of food until the midnight water dissolved oxygen is low and not feeding, the body has a lot of food, the water dissolved oxygen value than the lowest tolerance index