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入冬之后,气温逐渐下降,各种水产养殖品种由旺食转入少食、停食,直至进入冬眠阶段。这时一方面要及时搞好已达商品规格的养殖品种起捕上市,另一方面要抓好未上市对象的安全越冬管理。现将常见的一些水产养殖品种越冬管理综述如下。 鱼种池面积以2—6亩、水深2米左右为宜,池面背风向阳,备放鱼种2万尾,在并塘前
After winter, the temperature gradually decreased, a variety of aquaculture species transferred from Wang food to eat less, stop eating, until the hibernation stage. At this time, on the one hand, it is necessary to do a good job of catching and listing the cultured breeds that have reached the commodity specifications in a timely manner, and on the other hand, we should do a good job in managing the safe and overwintering of unlisted objects. The common winter management of some aquaculture species is summarized as follows. Fish pond area of 2-6 acres, depth of about 2 meters is appropriate, the pool surface lee sunny, prepare fish species 20000, and before the pond