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将鱼种并入池塘越冬,既有利于管理,使其免受寒冷及鸟兽侵害,又有利于池塘的及时清整,为翌年的鱼种生产早作准备,还有利于掌握鱼种的规格、品种、数量等情况,制订下年度的放养计划。那么如何做好鱼种的并塘越冬工作呢?具体要求是要把好“七关”。一、秋季育肥关强化秋季培育,促使鱼种大量摄食,积蓄能量,达到膘肥体壮,可以增强越冬鱼种的体质,提高其耐寒力与抗病力。主要措施:一是培肥水质。一般每亩池塘施发酵粪肥500～750公斤、尿素2～2.5公
The integration of fingerlings into ponds for wintering will not only help manage them against the cold and birds and animals, but also facilitate the timely clearance of ponds for early preparation of fingerling production and also help to grasp the specifications of fingerlings , Species, quantity and other circumstances, the formulation of stocking plan for the next year. So how to do a good job of fish and ponds overwintering work? Specific requirements is to be good “seven off ”. First, the autumn fattening Guan strengthen autumn training, prompting a large number of fish intake, energy savings, to achieve strong body fat, can enhance the physical characteristics of winter fish species, improve their cold and disease resistance. The main measures: First, fertilize water quality. General fermented manure per acre pond 500 ~ 750 kg, urea 2 ~ 2.5 公 公