青海省大通县白牦牛血清尿素氮含量的测定

伊平昌,张莲,沈有林

Determination on Serum Urea Nitrogen Content of White Yak in Datong Country of Qinghai Province

畜牧与饲料科学 . 2012, (9): 14 -14 . DOI: 10.12160/j.issn.1672-5190.2012.09.006