论文部分内容阅读
1983年4～11月,在省家禽科研所内试用鸡猪粪喂鱼。选两口鱼塘,Ⅰ号塘面积2.3亩,水深2.5米;Ⅱ号塘面积0.55亩,水深2.0米。两口塘的塘底基本上都无淤泥,光照、通风条件均较差。两塘内装1.5千瓦叶轮增氧机,Ⅰ号塘2台,Ⅱ号塘1台。 鱼种由鱼场购进。3月下旬和6月两次放养鱼种。Ⅰ号塘共放养鱼种442.5斤,平均亩放192.3斤,其中草、鳊鱼占总量13.0％,鲤鱼、鲫鱼占9.3％,
From April to November 1983, chicken pig manure was fed to the provincial poultry research institute. Choose two fish ponds, Ⅰ pond area of 2.3 acres, 2.5 meters deep; Ⅱ pond area of 0.55 acres, 2.0 meters deep. The bottom of the two ponds are basically no sludge, light, ventilation conditions are poor. Two ponds built 1.5 kilowatts impeller aerator, I No. 2 ponds, No. 1 pond 1 Taiwan. Fish species purchased from the fish farm. Fish species are stocked twice in late March and June. Ⅰ ponds a total of 442.5 kg of fish species, the average mu put 192.3 kg, of which grass, catfish accounted for 13.0% of the total, carp, crucian carp accounted for 9.3%