Li, Changqing Estimation of herbage intake and digestibility of grazing sheep in Zhenglan Banner of Inner Mongolia by using n-alkanes. [electronic resource] - Animal nutrition (Zhongguo xu mu shou yi xue hui) Dec 2015 - 324-328 p. digital Publication Type: Journal Article ISSN: 2405-6383 Standard No.: 10.1016/j.aninu.2015.11.004 doi