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吉林省双辽县王奔公社呈祥大队兽医赵忠江,1983年承包了4亩池塘,因水浅,鱼不能安全越冬。于是,他在院内窗根向阳处,挖了一个180平方米的鱼池,上面覆盖透明的塑料布,便于透射阳光;为了防止水面结冰,在室内生火炉,将炉筒子通过墙壁伸向鱼池水面上塑料布下,炉筒子拐成四方形的弯,然后通过棚竖起。室内炉火旺,炉筒子温度高,使水面温暖如春;再加上精心饲养,饲料配比合
Wang Liang, a commune in Shuangliao County, Jilin Province, and a team of veterinarian Zhao Zhongjiang, who contracted 4 mu of ponds in 1983, can not safely wintering because of shallow water. As a result, he dug in the yard sunroof, dug 180 square meters of fish ponds, covered with transparent plastic sheeting, to facilitate the transmission of sunlight; in order to prevent icing water, in the indoor furnace, the furnace tube through the wall to fish pond surface Under the plastic cloth, turn the stove tube into a square bend, and then erected through the shed. Indoor fire, furnace tube temperature is high, so warm as spring water; coupled with careful feeding, feed ratio