论文部分内容阅读
7、8、9三个月是鱼类摄食生长旺季,是形成鱼产量的重要季节。因此,必须加强以下几方面的饲养管理。 1.投足饵料饵料以精料为主,青料为辅。精料有鱼全价颗粒饲料,如豆饼、菜饼、麦类、米糠等。日投饵量为存塘鱼的8%-10%,为提高饵料利用率,日投饵次数应不少于4
7,8,9 Three months is the peak season of fish feeding and growth, is an important season for fish production. Therefore, we must strengthen the following aspects of feeding and management. 1. Feeding bait feed concentrate-based, green material supplemented. Concentrated fish pellets have a full price feed, such as soybean cake, vegetable cake, wheat, rice bran and so on. The daily feeding amount is 8% -10% of the preserved pond fish. In order to improve the utilization rate of the bait, the feeding frequency should not be less than 4