1成鱼池套养1.1鱼池要求水面最好在0.67hm2以下,淤泥不深,当年能干池;否则乌鳢(乌鱼)留存塘中,影响翌年主养鱼生产。1.2套养方法乌鳢属肉食性凶猛鱼类,有时可吞食相当于本身体长2/3的鱼种。因此,投入乌鳢鱼种的方法很有将究。一般春节前投放好主养鱼种,以早适应环境,1～2个月后 1 Into the fish ponds to raise 1.1 Fish ponds require the best water surface at 0.67hm2 the following, the sludge is not deep, then dry pool; otherwise black mullet (mullet) retained in the pond, affecting the next year the main fish production. 1.2 Nesting Method 乌 鳢 is a carnivorous ferocious fish, and sometimes can swallow the equivalent of its own body length of 2/3 of the species. Therefore, the method of investing catfish species is very study. Normally put before the Spring Festival main fish species to adapt to the environment as early as 1 to 2 months later