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鱼种安全越冬,是保证来年生产和经济效益的关键。如果管理不善,鱼种越冬成活率不高,第二年的繁殖率就低,直接影响渔业生产的发展和经济效益的提高。温州市著名的稻田养鱼之乡——永嘉县瓯渠乡的农民近年来鱼种越冬成活率高达98%,他们的具体做法是: 一、选好越冬池 鱼种越冬池应选择土壤保水力强,池底淤泥厚度适宜,水位稳定,水深要长期保持1.5米以上,水源水质良好,排灌方便的池塘,并在放鱼前进行清理和消毒。
Safe winter species, is to ensure that the coming year production and economic benefits of the key. If management is not good, the survival rate of species overwintering is low, the reproduction rate will be low in the second year, which will directly affect the development of fishery production and the improvement of economic benefits. Wenzhou famous paddy farming village - Yongqu County Ouqu rural farmer overwintering survival rate in recent years as high as 98%, their specific practices are: First, the selection of overwintering ponds overwintering ponds should choose the soil water retention Strong, the thickness of bottom sediment appropriate, stable water level, water depth to maintain long-term 1.5 meters, good water quality, irrigation and drainage of convenient ponds, and put the fish before cleaning and disinfection.