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养鱼户最怕泛塘,泛塘会给渔业生产带来不可估量的经济损失。其实只要重视科学养鱼,精心饲养管理,泛塘事故是完全可以避免的。预防泛塘应做到“四看”,“两保持”。四看就是看季节、看水质、看天气、看鱼情。 1、看季节,缺氧浮头发生时期一般从4月下旬至10月初,以盛夏初秋和梅雨季节为剧。因此要根据季节,灵活进行投饵施肥。投饵以青料在一天内食完,粗料在2—3个小时内吃完为原则。高温季节应据鱼类摄食情况随时调整,以免过剩的饲料恶化水质,消耗池塘溶氧。施肥应坚持少
Farmers are most afraid Pan Tong, Pan Tong will bring immeasurable economic losses to fisheries production. In fact, as long as the importance of scientific fish culture, well-kept management, Pan Tong accident can be avoided. Pan Tong should be done to prevent “four see”, “two to maintain.” Four is to see the season to see the water quality, to see the weather, watching the fish. 1, to see the season, the occurrence of hypoxic floats usually occur from late April to early October, early summer and the rainy season for the summer drama. Therefore, according to the season, flexible feeding and fertilization. Feeding with green material in the day after eating finished, coarse material within 2-3 hours after eating principle. High temperature season should be adjusted according to the situation of fish intake, so as to avoid excess feed deterioration of water quality, consumption pond dissolved oxygen. Fertilization should adhere to less