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一、养殖条件1.池塘应选择在交通、用电方便,周围无工厂、机械和人为噪声的影响,安静良好的养殖环境。面积3～8亩,塘岸坡度1:2,池底平坦,淤泥20厘米左右,水深1.8～2.5米,注排水系配套、方便。2.水源水质水源充沛,水质清新良好无污染,pH7～8.5,溶氧5毫克/升以上,水源水质应符合G
First, aquaculture conditions 1 Ponds should be selected in traffic, electricity convenience, no factories around, mechanical and man-made noise, quiet and good breeding environment. Area of 3 to 8 acres, pond slope 1: 2, flat bottom, about 20 cm of sludge, water depth 1.8 to 2.5 meters, drainage system supporting the injection, convenient. 2. Water quality Water quality is abundant, fresh water is good and pollution-free, pH7 ~ 8.5, dissolved oxygen 5 mg / L or more, water quality should be consistent with G