一、早放鱼种 冬至到立春是水库鱼种投放的最好季节。这段时间,水温低,鱼的活动能力弱,鳞片紧密,在捕捞、运输和放养过程中不易受伤,可避免鱼种因受伤感染得病、死亡。早放鱼种,便于鱼种早适应环境,早开食,早生长,延长鱼类的生长期,有利于提高鱼产量和商品率;冬季投放鱼种,由于各种肉食性鱼类,鸟类和敌害生 First, the early release of fish species Winter Solstice to spring is the best season for reservoir species. During this period, the water temperature is low, the fish’s ability to do activities is weak, scales are tight, and they are not easily injured during fishing, transportation and stocking. Early release of fish species, early adaptation to the environment of fish species, early opening of food, early growth, to extend the growth of fish is conducive to raising fish production and commodity rates; winter put fish species, due to a variety of carnivorous fish, birds And the enemy of life