论文部分内容阅读
湘乡市东山乡城东村4组村民魏尚志,1992年5月从长沙引进当年牛蛙蝌蚪4400只,利用他承包的14亩水面进行网箱养蛙(3只网箱,面积共60m~2),经过7个月的精心饲养,养成商品蛙(0.1kg以上)304kg,成活率达70.1%,创毛利8974.60元,除去生产成本,获纯利6092.60元,每m~2获纯利101.54元。同时,池塘养鱼可出产鲜鱼5.4t,可创纯利10950.00元,取得了可观的经济效益,值得大力推广。网箱设置方法:用楠竹或杉木作框架,将网箱固定在离池塘岸边2m以上处,网箱入水深度0.5m左右,并在网箱一边用
Wei Shangzhi, a group of 4 villagers from Chengdong Village, Dongshan Township, Xiangxiang City, introduced 4,400 bullfrog tadpoles from Changsha in May 1992 and used the cage-raised frogs (3 cages with an area of 60m ~ 2 ), After seven months of careful breeding, develop commercial frog (0.1kg or more) 304kg, the survival rate of 70.1%, a profit of 8974.60 yuan, to remove the cost of production, net profit of 6092.60 yuan, net profit of 101.54 yuan per m ~ 2. At the same time, fish ponds can produce 5.4 tons of fresh fish, net profit 10950.00 yuan, made considerable economic benefits, it is worth promoting. Cage settings: bamboo or fir for the framework, the cage fixed at 2m above the pond from the shore, the cage into the water depth of about 0.5m, and on the side of the cage