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网箱养鱼引进国内后,从起初的用于培育大规格鱼种,以解决大水面放养鱼种不足,到现在已发展为用网箱养殖商品鱼。网箱养鱼可以充分利用水体中的天然饵料,成本低、效益好、管理方便、操作简单。近年来,国内已普遍开展网箱养鱼,因此,网箱的需求量也越来越大,用户对网箱的质量要求也越来越高。我们就如何解决网箱投入使用中能确保其形状不变,以便有效地利用网箱容积和解决网箱养鱼的防逃问题,进行了多年的试验研究。试验结果表明:网箱加工工艺的优劣是网箱能否保持良好形状和适用的关键。为此,我们总结了网箱加工的新工艺要求: 一、正确选定网片缩结系数:通常为了强调降低网箱成本,最大限度地利用网片面积,很少鞭及到网目单脚的张力和网箱下水后的形状(大
Cage aquaculture introduced into the country, from the initial for the development of large-scale species of fish to solve the problem of large-scale stocking of fish species, has now developed into cage fish farming. Cage fish can make full use of natural water in the food, low cost, good efficiency, easy management, simple operation. In recent years, the domestic cage culture has been generally carried out, therefore, the demand for cages is also growing, and the quality of cages users are also getting higher and higher. We have done many years of experimental research on how to solve the problem of how to solve the problem of how to solve the problem of cages when they are put into operation, so as to ensure that their shapes are the same, to effectively use the volume of cages and to prevent the escape of cages. The test results show that the advantages and disadvantages of the processing technology of the cages are the key to whether the cages can maintain a good shape and suitability. To this end, we summarize the new cages processing requirements: First, the correct selection of mesh shrink factor: usually to reduce the cost of cages, to maximize the use of mesh area, very few whip and mesh legs The tension and shape of the cage after launching (large