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浙江省永康市水产养殖试验场,今年家鱼人工繁殖搞得非常出色、鲢、鳙、草三大家鱼苗产量达10170万尾,产值达10万元,销售收入6.7万元。该场在4月27日就开始了鱼苗人工繁殖,比往年提早一星期。催产草鱼七次,计89组,179尾(親鱼总重1414.4kg),全产84组,获下塘鱼苗6700万尾,催产率94.3％,平均每尾母親鱼获下塘鱼苗75万尾。催产鲢鱼三次,计57组,127尾(親鱼总重489.3kg),全产54组,催产率94.6％,平均每尾母親鱼产下塘鱼苗45.5万尾。催产鳙鱼一
Zhejiang Yongkang aquaculture test site, this year’s artificial reproduction of fish made very good, silver carp, jackal, grass three fish production reached 101.7 million, the output value of 100,000 yuan, sales of 67,000 yuan. The field began artificial breeding of fry on April 27, one week earlier than usual. The grass carp produced seven times, accounting for 89 groups and 179 (the total weight of the brood fish was 1414.4 kg). The whole group of 84 fish were given a total of 67 million tilapia and the rate of oxytocin was 94.3%. On average, . The silver carp was three times, accounting for 57 groups and 127 pigs (489.3kg of broodstock). All 54 chickens were born and the rate of oxytocin was 94.6%. On average, 455,000 fish were born per pond. Ocher fish