It was more reasonable to substitute the energy of uric acid with that of endogenous nitrogen losses.
用内源排泄物中氮的能值代替尿的能值进行代谢能的校正更为合理。
It indicated that energy of endogenous nitrogen was different to that of uric acid, the energy of endogenous nitrogen was higher.
表明内源排泄物中代谢粪氮的能值与尿的能值不同，粪中氮的能值高于尿中氮的能值。
Endogenous nitrogen loss in digestive gut is an important factor affecting apparent digestibility of protein and increasing feces nitrogen excrement.
回肠内源氮或内源性粪氮损失是影响蛋白质表观消化率、增加动物粪氮排泄量的重要因素。
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