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秋末冬初,水温渐降到10℃左右,鱼类活动减弱,逐渐停止摄食生长。这时就要将存塘鱼种并池越冬了。鱼种能安全越冬,关系到来年的成鱼生产。要保证鱼种安全越冬须抓住几个关键。1加强冬前培育,提高越冬鱼种规格鱼类是变温动物,其生命活动与水温高低密切相关,当水
Autumn late winter, the water temperature dropped to about 10 ℃, fish activity weakened, and gradually stop feeding growth. At this time, we should save the pond species and pond overwintering. Fish species can be safe winter, related to the coming year of adult fish production. To ensure the safety of species of winter to seize a few key. 1 to enhance pre-winter training, winter fish species to improve the specification Fish is a variable temperature animal, its life activity is closely related to the level of water temperature, when the water