The body weight increase, feeding coefficient, NBT-positive cell and activities of lysozyme in the blood were determined respectively at the end of each 20 days.
分三个阶段(每20天一阶段)测定鱼体的增重、饵料系数、血液中的NBT阳性细胞和血清中的溶菌酶的活力。
The body weight increase, feeding coefficient, NBT-positive cell and activities of lysozyme in the blood were determined respectively at the end of each 20 days.
分三个阶段(每20天一阶段)测定鱼体的增重、饵料系数、血液中的NBT阳性细胞和血清中的溶菌酶的活力。
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