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P. Gong, Y.Z. Gong, Y.P. Yang, Y. Yang, Y.P. Feng, S.J. Li and X.L. Peng
International Journal of Poultry Science 9 ( 1 ): 88 - 93 , 2010
X.D. Hu, K. Jia, G.H. Zhang, Z.X. Lin, H.Y. Xia, D.W. Zhang, X.B. Zeng, H.S. Qiao, H. Zhang and S.J. Li
Journal of Animal and Veterinary Advances 10 ( 14 ): 1863 - 1866 , 2011