Journal of Embryo Transfer (한국수정란이식학회지)

The Korean Society of Embryo Transfer (한국수정란이식학회)
권호 표지

Growth Characteristics and Variation of Reproductive Physiology in SCNT Cloned Male Hanwoo Calves

체세포 복제 한우 수송아지의 성장 특성과 번식생리적 변화

  • Bae, Seong-Hun (Biotechnology Institute, Seoulmilk) ;
  • Yang, Byoung-Chul (Animal Biotechnology Division, National Institute of Animal Science) ;
  • Ko, Yeoung-Gyu (Animal Biotechnology Division, National Institute of Animal Science) ;
  • Oh, Keon-Bong (Animal Biotechnology Division, National Institute of Animal Science) ;
  • Seong, Hwan-Hoo (Animal Genetic Improvement Division, National Institute of Animal Science) ;
  • Min, Kwan-Sik (Hankyong National University) ;
  • Park, Eung-Woo (Animal Biotechnology Division, National Institute of Animal Science) ;
  • Park, Soo-Bong (Animal Biotechnology Division, National Institute of Animal Science) ;
  • Hwang, Seong-Soo (Animal Biotechnology Division, National Institute of Animal Science)
  • 배성훈 (서울우유 생명공학연구소) ;
  • 양병철 (농촌진흥청 국립축산과학원 동물바이오공학과) ;
  • 고응규 (농촌진흥청 국립축산과학원 동물바이오공학과) ;
  • 오건봉 (농촌진흥청 국립축산과학원 동물바이오공학과) ;
  • 성환후 (농촌진흥청 국립축산과학원 가축개량평가과) ;
  • 민관식 (한경대학교 생물환경정보통신전문대학원) ;
  • 박응우 (농촌진흥청 국립축산과학원 동물바이오공학과) ;
  • 박수봉 (농촌진흥청 국립축산과학원 동물바이오공학과) ;
  • 황성수 (농촌진흥청 국립축산과학원 동물바이오공학과)
  • Published : 2009.09.30
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Abstract

This study was conducted to investigate the variation of growth characteristics and reproductive physiology in cloned Hanwoo male calves during growing stage. The hematological parameters, body weight, and plasma hormonal levels, birth to 12 months, were analyzed in the cloned calves (n=3). Differences among treatment means were determined by a student t-test. A probability of P<0.05 was considered statistically significant. The hematological parameters, such as white blood cell, red blood cell, and platelet, were not different in both normal and cloned calves. The difference of body weight, however, was significantly higher in the cloned calves, $5{\sim}6$ months (p<0.05) and $7{\sim}12$ months (p<0.01), than that of the comparators, respectively. The plasma IGF-1 level was statistically significant in the cloned calves, $5{\sim}10$ months, compared to that of the normal calves (p<0.05). However, the plasma testosterone level was not different in both normal and clone calves according to growing stage. Taken together, the cloned Hanwoo male calves are growing faster and maintaining a normal reproductive physiology.

Keywords

References

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