[1] INRA, Ctr Rech Jouy En Josas, Lab Genet Biochim & Cytogenet, Dept Genet Anim, F-78350 Jouy En Josas, France
[2] Texas A&M Univ, Coll Vet Med, Dept Vet Anat & Publ Hlth, College Stn, TX 77843 USA
[3] ISPAAM, Lab Anim Cytogenet & Gene Mapping, Natl Res Council CNR, Naples, Italy
[4] Univ Kentucky, Gluck Equine Res Ctr, Dept Vet Sci, Lexington, KY 40546 USA
[5] Lab Racing Chem, Dept Mol Genet, Utsunomiya, Tochigi 3200851, Japan
[6] Japan Racing Assoc, Mol & Cellular Biol Lab, Equine Res Inst, Utsunomiya, Tochigi 3200856, Japan
[7] Childrens Hosp, Oakland Res Inst, BACPAC Resources, Oakland, CA 94609 USA