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黄颡鱼肉味鲜美、营养价值高,目前各地养殖面积不断扩大。但是,部分养殖者由于片面追求产量,不断向养殖水体投放过量饲料及肥料等,不但使养殖成本大大上升,而且导致水质恶化,影响黄颡鱼生长。现将黄颡鱼高产高效养殖技术,尤其是水体要求,放养密度,投饵施肥,水质调节等技术简要介绍如下。1.清塘消毒通过严格的清塘消毒,既可杀灭野杂鱼,减少黄颡鱼的争食对象,又可杀灭水体中的致病因子,改善水质,创造良
Catfish flavor delicious meat, high nutritional value, the current growing area around the constantly expanding. However, due to the one-sided pursuit of production, some farmers continue to feed excessive amounts of feed and fertilizer to breeding water bodies, which not only greatly increase the cost of breeding but also lead to the deterioration of water quality and affect the growth of catfish. Cattle now high-yielding and efficient farming techniques, especially water requirements, stocking density, feeding and fertilization, water quality regulation and other technologies are briefly described below. 1. Qingtang disinfection through strict Qingtang disinfection, both to kill wild trash fish, reducing the fight against food of catfish, but also kill the pathogenic factors in water to improve water quality and create good