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祁阳县十里坪畜牧场教师唐忠民,承包本场一口小鱼池,面积62平方米。该池旁有一个酒厂,厂内生产污水可从池中流过。水质特别肥沃。往年该池放养草、鲢、鳙等鱼种,不是缺氧泛塘死鱼,就是因病死鱼,年终干塘只收10来斤鱼,连本钱都拿不回。去年唐忠民在水产技术人员的指点下,主放埃及胡子鲶鱼苗。5月28日放养1.5厘米鱼苗200尾,由于技术不过关,仅成活10多尾。6月12日再次放养1.5厘米鱼苗300尾,这次他吸取了前次的教训,购回鱼苗后。先将其置于8平方米左右的水泥池中,经半个多月培养,规格达4厘米左右,再下塘放养。鱼种下塘时,水深310厘米,以后逐渐加深水位。老唐充分
Shiyang County, Qiyang Pingli livestock farmer teacher Tang Zhongmin, contracting a small fish pool, an area of 62 square meters. Next to the pool there is a winery where the wastewater produced can flow from the pool. Water quality is particularly fertile. In previous years, the pool put the grass, silver carp, bighead carp and other fish species, is not anoxic pan Tong dead fish, is dead fish, year-end dry pond only received 10 pounds of fish, even the capital can not get back. Last year, Tang Zhongmin, chief of fisheries technicians, put the bearded Egyptian catfish. May 28 stocking 1.5 cm fry 200, due to technology, however, only survived more than 10 tail. June 12 stocking again 1.5 cm fry 300, this time he learned the lessons learned, buy fry later. First placed in about 8 square meters of cement pool, after more than half a month training, specifications up to 4 cm, and then pond stocking. Fish pond, the depth of 310 cm, then gradually deepen the water level. Laotang full