黄颡鱼目前养殖比较广泛,是许多地方渔农及养殖单位增收的主要养殖品种。但是在养殖过程中,不少养殖户因片面追求产量,不懂得如何节约饲料,不断向养殖水体投放过多的饲料及肥料等,不但使养殖成本日益上升,而且使水质不 Catfish now far more extensive farming, fisheries and aquaculture in many parts of the unit income of major aquaculture species. However, during the breeding process, many farmers are not seeking conservation of feed due to their one-sided pursuit of output. They continue to feed too much feed and fertilizer to breeding water bodies, which not only increases the cost of breeding but also makes the quality of water not