其余五个组分别用不同比例的脱铬皮渣骨粉，BE—饲料酵母和脱铬皮革粉等量代替鱼粉，即试验组。
The first was control group, which contained 4% of fish meal were replaced with different proportions of detannery Ieather & Bone Meal(DLBM), BE—Feed Yeast(BE—FY)and Detannery Leather Meal(DLM).
其余五个组分别用不同比例的脱铬皮渣骨粉，BE—饲料酵母和脱铬皮革粉等量代替鱼粉，即试验组。
The first was control group, which contained 4% of fish meal were replaced with different proportions of detannery Ieather & Bone Meal(DLBM), BE—Feed Yeast(BE—FY)and Detannery Leather Meal(DLM).
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