1. Theriogenology and Biotechnology, College of Veterinary Medicine, Gyeongsang National University, Jinju, 660–701, Republic of Korea.
2. Institute of Animal Medicine, Gyeongsang National University, Jinju, 660–701, Republic of Korea.
3. Department of Biology Education, College of Education, Gyeongsang National University, Jinju, 660–701, Republic of Korea.
4. Animal Biotechnology Division, National Institute of Animal Science & RDA, Suwon 441–706, Republic of Korea.
5. Department of Biomedical Sciences, Ontario Veterinary College, University of Guelph, Ontario, Canada N1G 4S7.
6. Research Institute of Life Science, Gyeongsang National University, Jinju, 660–701, Republic of Korea.