Effects of rumen-protected tryptophan on performance, nutrient utilization and plasma tryptophan in cashmere goats
Hui Ma1#, Jianbo Cheng2#,Xiaoping Zhu1 and Zhihai Jia1*
1College of Animal Science and Technology, China Agricultural University, Beijing 100193, P. R. China.
2College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, P. R. China.
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