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草鱼浸泡疫苗是近年来湖南省水产研究所研制而成的新产品,我县今年首次推广使用,效果显著。以我局扶贫联系点新寨乡新寨村7口鱼塘为例,面积约7亩,去年共投放鱼种6520尾,其中草鱼3800尾,5月初草鱼开始发生“三病”并发症,每天死鱼数十尾,发病持续50多天。冬季起捕时验收,共起水草鱼660多尾,成活率近10％。由于草鱼死亡多,产量很低,总共仅产鲜鱼1260公斤,平均亩产180多公斤。今年初我们从省水产研究所购买了草鱼浸泡疫苗,在鱼种投放时对草鱼进行了浸泡免疫,共浸泡草鱼种5700尾,投放不久,因鱼种长途运输(从常
Grass carp soak vaccine is developed in Hunan Institute of Fisheries in recent years, a new product, my county for the first time this year to promote the use of significant results. Take the 7 poverty-stricken fishponds in Xinzhai Village, Xinzhai Village as an example, with an area of about 7 mu. Last year, a total of 6,520 species of fish were introduced, of which 3800 were grass carps. Grass-cress disease began to develop “three-disease” complications in early May. Dozens of dead fish, the incidence of more than 50 days. Acceptance in winter catch, a total of more than 660 tail grass fish, survival rate of nearly 10%. Due to the death of grass carp and more, the yield is very low, producing a total of only 1260 kg of fresh fish, with an average yield of more than 180 kg. Earlier this year, we purchased the grass carp immersion vaccine from the Provincial Institute of Aquatic Products. Soaked grass carp in the fish species, a total of 5,700 species of grass carp were soaked. Shortly after they were put into operation,