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南方大口鲶是分布在长江以南大型水域中的名贵经济鱼类,在人工养殖中具有适应性强、生长速度快等优点,且 肉质细嫩、味道鲜美、肌间刺少、腴而不肥,深受广大消费者和生产经营者的欢迎,目前国内市场价在15元/500g 左右。南方大口鲶经人工驯化后对网箱养殖环境和人工配合饲料都有良好的适应能力,所以近年利用网箱养殖大口鲶 发展较快。网箱养殖大口鲶,一般当年鱼种,经150天以上的饲养,成活率可达70%以上,每平方米网箱可产商品鱼 65-100 kg。要想大口鲶网箱养殖实现高产高效,必须抓好以下几点:
Southern catfish is a valuable economic fish distributed in large waters south of the Yangtze River. It has the advantages of strong adaptability and fast growth in artificial breeding. The flesh is tender, delicious, Welcomed by the vast number of consumers and production operators, the current domestic market price of 15 yuan / 500g or so. Catfish after artificial acclimation of the cage aquaculture environment and artificial feed have a good adaptability, so in recent years the use of cage aquaculture catfish developed rapidly. Catfish farmed catfish, the general species of the year, after more than 150 days of feeding, the survival rate of up to 70%, cages per square meter can produce fish products 65-100 kg. To large catfish cage culture to achieve high yield and efficiency, we must grasp the following points: