论文部分内容阅读
斑点叉尾鮰是近年兴起养殖的优良新品种,各地都在探索斑点叉尾鮰高产养殖技术,以获得更好的经济效益。广东省广州市白云区特种水产养殖试验场利用三口面积各1亩的池塘进行斑点叉尾鮰养殖高产试验,于1990年10月23日放养鱼种,养到1991年8月20日全部起水,10个月时间,斑点叉尾鮰5054尾,3344.8公斤,扣除鱼种重量,净产3253.3公斤;总产值10.55万元,除去鱼种、饲料、电费、人工等生产成本,获利
Channel catfish is an emerging new breed of aquaculture developed in recent years, all over the world to explore the high-yield catfish Channel Breeding Technology, in order to obtain better economic returns. Baiyun District, Guangzhou City, Guangdong Province Special Aquaculture Experimental Site Three ponds of 1 mu each were used for high-yielding test of Channel Catfish breeding. Fish species were stocked on October 23, 1990 and all the water was raised on August 20, 1991, 10 Month, 5054 catfish, 3344.8 kg, net of fish weight, net production of 3253.3 kg; total output value of 105,500 yuan, except for species, feed, electricity, labor and other production costs, profit