H. Liu

Apparent digestibility, rumen fermentation, digestive enzymes and urinary purine derivatives in yaks and Qaidam cattle offered forage-concentrate diets differing in nitrogen concentration

J. Qian, Z. Shang, Xusheng Guo, 2018 .

Urea kinetics and nitrogen balance and requirements for maintenance in Tibetan sheep when fed oat hay

Xusheng Guo, Y. Zhang, R. Long, 2015 .

Comparison of nitrogen utilization and urea kinetics between yaks (Bos grunniens) and indigenous cattle (Bos taurus).

Z. Shang, E. Titgemeyer, Q. Qiu, 2017, Journal of animal science.

Effect of level of oat hay intake on apparent digestibility, rumen fermentation and urinary purine derivatives in Tibetan and fine-wool sheep

R. Long, A. Degen, X. Jing, 2018, Animal Feed Science and Technology.