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一、试验材料 1、池塘条件:试验地点万荣县裴庄乡孙石村开挖的5口28亩池塘,细沙含沙量在85％以上,池底平坦无淤泥,水源完全依靠地下自然渗水,水质呈微碱性,pH值7.2—8。 2、鱼种投放:共投放鱼种1834.6千克,平均每亩65.5千克,995尾,其中投放鲤鱼1251.6千克,20860尾,平均每亩44.7干克,745尾,白鲢、花鲢鱼种是渔场自己培育,规格在50克以上,共投放583千克,7000尾,平均每亩20千克,250尾。 3、饲料加工:渔场利用小型颗粒饲料机自己加工饲料,原料自采,4—6月份饲料中的蛋白含量为34％,7—10月份为28％。
First, the test materials 1, the pond conditions: test site Wanrong County Pei Zhuang Township Sun Shicun excavation of 5 28 acres of ponds, sandy sediment concentration of 85% or more, bottom flat without sludge, water completely rely on underground natural seepage, Water quality is slightly alkaline, pH 7.2-8. 2, the species of fish: put a total of 1834.6 kg of fish species, an average of 65.5 kg per acre, 995, of which carp 1251.6 kg, 20860, an average of 44.7 grams per acre, 745, silver carp, Cultivate their own specifications at 50 grams or more, a total of 583 kg, 7000, an average of 20 kg per acre, 250. 3, feed processing: the use of small-scale feed mill fisheries processing their own feed, raw materials from mining, feed protein content in April-June was 34%, 7-October 28%.