[1] Univ Maine, Anim & Vet Sci, SFA, Orono, ME USA
[2] Dept Mol & Biomed Sci, Orono, ME USA
[3] Clemson Univ, Dept Anim & Vet Sci, Clemson, SC USA
[4] Clemson Univ, Dept Biol Sci, Clemson, SC 29634 USA
[5] Provimi, Nurture Res Ctr, Brookville, OH USA