Burns B M, Taylor J F, Herring K L, Herring A D, Holder M T, Collins J S, Guerra T M, Sanders J O, Davis S K
Department of Animal and Food Sciences, Texas A&M University, College Station, USA.
Anim Genet. 1995 Jun;26(3):201-2. doi: 10.1111/j.1365-2052.1995.tb03165.x.