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一、一年来的新发展1.近年来辽宁省内陆水域集约化鱼类养殖有很大进展。全省推广北京用配合饲料养鱼的高产模式,获得了大面积丰收,在产量和效益上都有很大提高。1987年全省669亩密养池塘,平均亩产653.9公斤,亩利润1100元,1988年精养池塘发展到13096亩,比1987年增长18.5倍,其中成鱼池8348亩,鱼种池4748亩。沈阳、营口、丹东、锦州、辽阳、铁岭等市都出现了大面积的千斤鱼塘,产量双千斤的池塘也很多,如沈阳于洪区鱼种场成鱼池塘亩产1056公斤,鱼种平均亩产1200公斤;省淡水所和宽旬鱼种场协
I. New Developments in the Year 1. There has been considerable progress in intensive fish farming in inland waters of Liaoning Province in recent years. The province to promote Beijing with compound feed high-yielding fish farming patterns, access to a large area harvest, both in yield and benefits have greatly improved. In 1987, the province’s 669 acres of dense ponds, the average yield of 653.9 kilograms per mu, profit of 1100 yuan in 1988, the development of intensive ponds to 13,096 acres, 18.5 times more than in 1987, of which 8348 acres of fish ponds, 4748 acres of fish ponds. Shenyang, Yingkou, Dandong, Jinzhou, Liaoyang, Tieling and other cities have emerged a large area of thousands of pounds of fish ponds, yield two thousand pounds of ponds are also many, such as Shenyang Yuhong fish farm fish pond yield 1056 kilograms per fish species average 1200 kg per mu; freshwater province and a wide field of ten species of fish Association