并箱是网箱育种越冬前的一个必要环节,冬季到来,水温下降,当水温降至10℃左右,鱼已不甚摄食,活动、代谢也减弱。为了节省网箱,减少管理麻烦,和腾出网箱进行修理,可将那些不起水又不放于大水面的鱼,按不同规格分拣后,分别并箱囤养。一、并箱时间及密度: 并箱通常选在表层水温7℃左右,上下层水温差不超过3℃时为 And the box is a necessary part of cage breeding before winter, the arrival of winter, the water temperature drops, when the water temperature dropped to about 10 ℃, the fish have been less food, activity, metabolism also weakened. In order to save cage, reduce management troubles, and free cages for repairs, those who can not afford water and not put in the surface of the fish, sorted according to different specifications, respectively, and store me. First, and the time and density of the box: And the box is usually selected in the surface temperature of about 7 ℃, the upper and lower water temperature difference of not more than 3 ℃