鱼类进入冬眠期，多潜伏在深水草丛中，很少活动，不吃食，只靠消耗体内的糖类、脂肪、蛋白质来维持生命，到来年春季出池时体重要减轻１０％～２０％。这期间，若任何一个环节失误，都会造成越冬鱼种死亡。因此，保证鱼种安全越冬是池塘养鱼生产过程中一个十分重要的环节。１ Fish into the hibernation period, more lurking in the deep grass, little activity, do not eat, rely on the body to consume carbohydrates, fat, protein to maintain life, the coming spring the weight of the pool to reduce 10% to 20%. During this period, if any part of the mistakes, will result in the death of wintering species. Therefore, to ensure the safety of fish species overwintering pond aquaculture production process is a very important part. 1