[Li, L. L.; Wu, X.; Kong, X. F.; Li, T. J.; Yin, Y. L.; Hou, Z. P.] Chinese Acad Sci, Inst Subtrop Agr, Key Lab Agroecol Proc Subtrop Reg, Changsha 410125, Hunan, Peoples R China.
[Peng, H. Z.; Zhang, B.] Hunan Agr Univ, Coll Anim Sci & Technol, Changsha 410128, Hunan, Peoples R China.
[Fan, M. Z.] Univ Guelph, Dept Anim & Poultry Sci, Guelph, ON N1G 2W15, Canada.
[Hou, Y. Q.; Liu, Y. L.] Wuhan Polytech Univ, Hubei Key Lab Anim Nutr & Feed Sci, Wuhan 430023, Hubei, Peoples R China.
[Yang, K. M.] Hunan Zhenghong Sci & Technol Co, Changsha 410001, Hunan, Peoples R China.