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H. Xi
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Effect of Choice Feeding on Performance, Gastrointestinal Development and Feed Utilization of Broilers
Xiaoyan Tian, Jincheng Han, J. Yao, 2005 .
The Relative Effectiveness of Liquid Methionine Hydroxy Analogue Compared to DL-methionine in Broilers
J. Yao, H. Xi, W. J. Zhang, 2006 .