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西北地区池塘养殖的鲤、草、鲫、团头鲂和花白鲢等常规养殖品种均属于温水性鱼类。随着近几年水产养殖业的发展,水产品市场整体呈供过于求的局面,大量池塘养殖的鱼种和商品鱼在冬季存塘越冬,由于管理不善等诸多因素,许多地区出现了大量越冬鱼类发病死色的情况。现献出现这一现象的原因相应采取的措施作如下简述。
Common aquaculture species, such as common carp, grass, crucian carp, bream, and silver carp, cultured in the ponds in northwest China belong to warm water fish. With the development of aquaculture in recent years, the overall oversupply situation in the aquatic products market has taken place. Large numbers of fish breeds and commercial fish farmed in ponds wintering in wintering ponds in winter. Due to many factors such as poor management, a large number of overwintering fish species The case of death of the color. The reasons for this phenomenon are presented accordingly measures to be briefly described below.