用绵羊尿中嘌呤衍生物估测瘤胃微生物氮的研究
刘大森,单安山
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)
J4
.
2004, (02): 155
-157
.
DOI: 10.11869/hnxb.2004.02.0155