[1] Agr Univ Poznan, Dept Biochem & Biotechnol, PL-60637 Poznan, Poland
[2] Polish Acad Sci, Inst Human Genet, PL-60479 Poznan, Poland
[3] Natl Res Inst Anim Prod, Dept Anim Reprod, Balice, Poland
[4] PienGen Biomed Corp, Knoxville, TN USA
[5] Agr Univ Poznan, Dept Pig Breeding & Prod, PL-60637 Poznan, Poland