[1] Korea Univ, Dept Food & Biotechnol, Jochiwon 339700, Chungnam, South Korea
[2] Immunotech Inc, Chungnam 330707, South Korea
[3] Natl Inst Anim Sci, Hanwoo Expt Stn, Pyongchang 232952, Gangwon, South Korea
[4] Kyung Hee Univ, Dept Food Sci & Technol, Inst Life Sci & Resources, Yongin 446701, Gyeonggi, South Korea