5Tamura K, Stecher G, Peterson D, et al. MEGA6 : Molecu Lar evolutionary genetics analysis version 6. 0 [ J]. Molecu Lar Bi- ology and Evolution,2013,30 : 2725-2729.
6Clawson M L, Heaton M P, Fox J M, et al. Male-specific SRY and ZFY haplotypes in US beef cattle [ J ]. Animal Ge- netics, 2004,35 (3) : 246-249.
7Nijman I J,VanBoxtel D C,VanCann L M,et al.Phylogeny of Y chromosomes from bovine species [ J ]. Cladisties, 2008,24 (5) : 723-726.
8P6rez-Espona S, P6rez-BarbelSa F J, Pemberton J M.Assessing the impact of past wapiti introductions into Scottish Highland red deer populations using a Y chromosome marker[ J]. Mam- malian Biology, 2011,76 (5) : 640-643.
9Li H, Deeb N, Zhou H, et al. Chicken quantitative trait loci for growth and body composition associated with transforming growth facto[J]. genes. Poultry Science, 2003, 82: 347-356.
