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1991年我县在大力推广网箱养鱼的同时,开展了网箱养草鱼的吨鱼箱试验。现将实验情况总结如下: 一、基本情况 1.试验地点。设在荷花乡金滩村浏阳河河坝上游200米处。河面宽广,水深3～7米,涨水季节水流平缓,流速为0.2米/秒。串联设置两口网箱计56米~2,分别为1号箱、2号箱各28米~2。 2.网箱材料。采取聚乙烯3×3线型手工编织而成的双层网箱。长7米,宽4米,高2米,网目大3cm,四周用毛竹架框浮于水面,框架用纲索拴于岸边,四底角用0.5公斤重的石块吊住,使网衣充分张开。 3.试验鱼来源及放养。鱼种来自本地。草鱼种均采取免疫注射,用1％的食
In 1991, my county vigorously promote the cage fish at the same time, carried out the cage fish tank test ton of fish. Now the experimental situation is summarized as follows: First, the basic situation 1. Test location. Located in Lotus Township Golden Beach Village Liuyanghe dam 200 meters upstream. Broad river, water depth of 3 to 7 meters, rising water flow flat, the flow rate of 0.2 m / s. Set in series with two cages 56 meters ~ 2, respectively, No. 1 box, No. 2 Box 28 meters ~ 2. 2. Cage material. Take a 3 × 3 polyethylene linear woven double cages. 7 meters long, 4 meters wide, 2 meters high, large mesh 3cm, surrounded by bamboo frame floating on the water, the framework of the cable tied to the shoreline, the four corners of the corner with 0.5 kilograms of stones hanging, the net Clothing fully open. 3. Test fish sources and stocking. Fish species come from local. Grass carp species are taken by immunization, with 1% of food