论文部分内容阅读
鹤岗市五号水库位于鹤岗市的西部15公里处,水面面积6 000亩,是集防洪、城市生活供水和养鱼为一体的中型水库。水源属山涧溪流,水质优良,无污染。水库下游有80亩池塘。1990年以来,他们利用80亩池塘培育秋片向水库投放,并把鲢鳙鱼秋片现格提高到6尾/kg,近年来,他们每年产鲢鳙秋片0.75万kg、鲤鱼秋片0.25万kg左右,每年从水库中回捕尾重1.25kg以上的鲢鳙商品鱼2.5万kg以上,最多一年回捕5万kg。投资收益比为1:2.5,累计实现利润50多万元。他们的主要做法是: 一、自己培育大规格鲢鳙鱼种。
Hegang No.5 Reservoir is located 15 kilometers west of Hegang City, with a surface area of 6,000 mu. It is a medium-sized reservoir integrating flood control, urban living water supply and fish farming. Water is a mountain stream, water quality, pollution-free. The reservoir has 80 acres of ponds downstream. Since 1990, they have used 80 acres of ponds to cultivate autumn plants and put them into reservoirs, raising the present standard of silver carp and bighead carp to 6 / kg. In recent years, they annually produce 0.75 million kg of silver carp and bighead carp and 0.25 About one thousand kilograms each year, from the reservoir back to catch tail weight 1.25kg or more silver carp and bighead carp more than 25,000 kg of fish, catch a maximum of 50,000 kg a year. Investment income ratio of 1: 2.5, a total profit of more than 500,000 yuan. Their main approach is: First, cultivate large size silver carp and bighead carp species.