论文部分内容阅读
河鲀鱼肉质细嫩,味道鲜美,长江中、下游地区自古以来就有吃河鲀的习惯,尤以淡水品种——暗纹东方鲀最受欢迎。河鲀鱼在室外池塘中自然越冬死亡率比较高,我们采用温篷加温养殖的方法,使河鲀鱼种安全越冬,既提高了成活率,又提高了出地规格。现将方法总结如下,供同仁参考。 一、建温篷 温篷通风向阳、水源充足,水质良好。池子面积50～100m~2,水深为1.0～1.5米。进水口用网片做成长形文件袋蒙口,防止外逃。池子为砖砌,外粉水泥结
River catfish tender meat, delicious, the Yangtze River, the lower reaches of the region have had the habit of eating river crab, especially the freshwater species - Obscure oriental 鲀 most popular. River mullet natural winter pond in the overwintering mortality is relatively high, we use warm canopy breeding method, the safety of winter mullet species wintering, both to improve the survival rate, but also increased out of specifications. The method is summarized below, for my colleagues reference. First, build a warm awning canopy ventilation, adequate water, good water quality. Pool area of 50 ~ 100m ~ 2, depth of 1.0 to 1.5 meters. Water inlet with long mesh bag made of Mongolian, to prevent flight. Pool for the brick, cement powder outside the knot