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近几年,网箱养鱼在我国迅猛发展,在成鱼养殖上取得了很好的经济效益。然而,在网箱中由夏花直接培育大规格鱼种,一直是困扰各地的难题。山东省日照市早就在这个问题上进行探索,现已取得了成功的经验。现介绍如下: 一、网箱及设置: 网箱采用聚乙烯无节网片,规格为4×7×2(米),备有网目1.2cm和1.5cm的2组网箱。网箱应设计在最低水位不低于3～5米的底质平坦水域,透明度30～50cm为佳。因鱼种较弱,抗风浪及水流能
In recent years, the rapid development of cage fish in our country, in adult fish farming has made very good economic benefits. However, cultivating large-sized species directly from summer flowers in cages has been a problem that has bothered all over the world. Rizhao City, Shandong Province, has long been exploring this issue and has now achieved successful experience. Now introduced as follows: First, the cages and settings: cages with polyethylene meshless section, size 4 × 7 × 2 (meters), with mesh 1.2cm and 1.5cm 2 groups of cages. Cages should be designed at a minimum water level of not less than 3 to 5 meters of flat bottom water, transparency 30 ~ 50cm better. Because of the weaker species, anti-wind waves and water can