为了克服大、小网箱中鱼类生长不均匀商品鱼出箱操作麻烦,不方便上市等缺点,在生产实践中,我们采用了大、小网箱配套使用的操作规程。即先将鱼种按比例投放在大网箱内养殖一个月后,再把体重达到125克以上的筛选出来,再将同样规格按照一定密度投放到小网箱里养殖。从结果看,这样 In order to overcome large and small cages in the uneven growth of fish produce goods out of the box troublesome operation, inconvenient to market and other shortcomings, in production practice, we use a large cage and small cage supporting the use of the operating procedures. That the first species of fish in proportion to put in a large cage culture a month later, then the weight of more than 125 grams of screening out, and then put the same size according to a certain density in a small cage farming. From the result, so