氮平衡试验相关论文
Two nitrogen bala nce trials after partial deletion of die tary amino acids(AA) were conducted to i nvestigate the ideal......
本试验通过采用回归法(REG)、无氮日粮法(NFD)和绝食代谢法(FAS)比较研究生长期扬州鹅的氮维持需要(Nm)。结果表明:(1)三种方法所得的Nm分别为......