
ESTIMATION OF RUMEN MICROBIAL-NITROGEN OF SHEEP USING URINARY EXCRETION OF PURINE DERIVATIVES
LIU Da-sen SHAN An-shan(Animal Nutrition Institute, Northeast Agricultural University, Harbin,Heilongjiang, 150030)
Journal of Nuclear Agricultural Sciences ›› 2004, Vol. 18 ›› Issue (02) : 155-157.
ESTIMATION OF RUMEN MICROBIAL-NITROGEN OF SHEEP USING URINARY EXCRETION OF PURINE DERIVATIVES
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