【摘要】 为了充分挖掘网箱养殖的生产潜力,提高养殖效益,改善养殖水体环境,减少病害发生,将微孔增氧技术运用于斑点叉尾鮰网箱养殖中,试验结果表明:成活率比对照组提高8.54个百分点;产量比对照组提高33.4 kg/m2;纯收益比对照增加231.8元/m2。更多还原

【Abstract】 The technique of increasing oxygen with micropore was applied to the high-efficient rearing of channel catfish(Ictalurus punctatus) in net cage in reservoir,the results showed that the survival ratio,yield per unit area and net income per unit area of channel catfish in the experimental group were respectively increased by 8.54 percent,33.4 kg/m2 and 231.8 yuan/m2 in comparison with the control group.更多还原