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通过对不同放养密度的日本医蛭饲养试验表明,日本医蛭适宜的养殖密度区间为80—120头/m~2,饲料系数3.8～4.8。
According to different stocking densities of Japanese medical leeches feeding experiments showed that the suitable medical Japanese leeches farming density range of 80-120 head / m ~ 2, feed coefficient 3.8 ~ 4.8.