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渔农说:“鱼种是俺致富宝,过冬保好收入多”。据“鱼鳖致富”的潢川经验,鱼种科学越冬比自然越冬,提高其存活率80%,来年增产增收很多。鉴此,特介绍其越冬之良方。一、合理选择越冬塘 应背风向阳、环境安宁、水质良好、排灌自如、管理方便。塘底要平坦、无渗漏,面积2亩左右,水深2.5米。二、强化追(?)应选好大规格健壮鱼种,提前强化饲喂精饲料,以增加体内脂肪积累,丰富营养,使之膘肥体胖而适应越冬消耗。三、清塘施肥 秋末冬初,当水温降至10℃左右时,要按鱼的种类与规格,分别并塘。但并塘前须作好
Farmers and fishermen said: “The fish species is rich I treasure, better winter income.” According to “fish and turtle get rich,” Huangchuan experience, winter science overwinter natural wintering, raising its survival rate of 80% increase in the coming year, a lot of income. In view of this, special introduction of the recipe for the winter. First, a reasonable choice of the winter pond should be leeward, the environment is quiet, good water quality, drainage and irrigation, easy management. Tong Ping to be flat, no leakage, an area of about 2 acres, 2.5 meters deep. Second, strengthen the chasing (?) Should be selected large-scale robust fish species, feed intensive in advance to strengthen the body to increase fat accumulation, nutrient enrichment, fat and fat to adapt to winter 消 consumption. Third, clear pond fertilizer late autumn and winter early, when the water temperature dropped to about 10 ℃, according to the type of fish and specifications, respectively, and Tong. But before the pond must be done