2) dietary nitrogen
日粮氮源
3) dietary nitrogen source structure
日粮氮源结构
4) N-free diet
无氮日粮
1.
66 kg were allocated into 3 groups to feed diets with PPM or soybean meal(SBM)as only protein source,and N-free diet to determine endogenous amino acid excretion to calculate amino acid true digestibility.
以PPM和豆粕(SBM)分别作为唯一蛋白源配制半纯合日粮,采用无氮日粮法测定两者猪回肠末端氨基酸的表观消化率和真消化率。
5) Protein-free diet
无氮日粮
1.
01)during the first 3d of feeding protein-free diet,thereafter decreased significantly and became relatively constant in next 6d(P>0.
选５０周龄罗曼蛋鸡５只，用强饲法供给无氮日粮５３克／千克Ｗ０。
6) Low N and P diet
低氮磷日粮
补充资料：百日粮
1.一种成熟较早的粟。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条