[Xiao, D.; Zhang, B.; Fan, J.; Xing, Y.; Li, Z.] Hunan Agr Univ, Coll Anim Sci & Technol, Changsha 410128, Hunan, Peoples R China.
[Jiang, G.; Yang, T.; Fan, J.; Liu, G.; Xing, Y.; Li, L.] Chinese Acad Sci, Inst Subtrop Agr, Key Lab Agroecol Proc Subtrop Reg, Changsha 410125, Hunan, Peoples R China.
[Oso, A. O.] Fed Univ Agr, Coll Anim Sci & Livestock Prod, Dept Anim Nutr, Abeokuta 2240, Nigeria.
[Kim, S. W.] N Carolina State Univ, Dept Anim Sci, Raleigh, NC 27695 USA.
[Wang, S.] Hunan Microbiol Inst, Changsha 410009, Hunan, Peoples R China.