Earticle

초록

영어

The aim of this study was to evaluate the effects of different straw volume (0.5 and 5.0 ㎖) on cryopreservation in boar semen. Semen quality was evaluated the motility, viability, abnormality, acrosome intactness and membrane integrity. And there were also examined the development rates of IVM/IVF embryos using frozen-thawed boar semen. Boar semen were frozen until 5℃ for 3 hours using cell freezer and making the straws, and then freezing by lowing the straws into styrofoam box on the 8 cm above the LN2. In different straw volume (0.5 and 5.0 ㎖), sperm viability and abnormality were not differ in 0.5 and 5.0 ㎖ straws, but sperm motility were significantly higher in 0.5 ㎖ straws (61.3%) than in 5.0 ㎖ straws (56.3%) (p<0.05). In the Coomassie Brillient Blue (CBB), Hoechst 33258/Propidium Iodide (H258/PI) staining and Hypoosmotic Swelling Test (HOST), the acrosome intactness and sperm membrane integrity were not differ in 0.5 and 5.0 ㎖ straws, but sperm survival rate was significantly higher in 0.5 ㎖ straw (65.0%) than in 5.0 ㎖l straw (55.0%) (p<0.05). Employing the Chlortetracycline (CTC)/Hoechst33258 (H258), all treatment group were not differ in characteristic of uncapacitated acrosome-intact sperm (F), capacitated and acrosome-intact sperm (B-type) and acrosomereaction seprm (AR-type). In the developmental rate of IVM/IVF embryos using frozen-thawed boar semen in different straw volumes, the developmental rate of morula plus blastocysts were 19.9% in 0.5 ㎖ straw and 18.8% in 5.0 ㎖ straw, respectively. These results indicated that straw volume affects the semen motility and sperm survival rate, but not other semen characteristic and developmental rate of IVM/IVF embryos.

목차

ABSTRACT
 Ⅰ. 서론
 Ⅱ. 재료 및 방법
  1. 정액채취
  2. 동결액 준비
  3. 정액동결
  4. 동결정액 융해 방법
  5. 동결정액의 융해 후 일반성상 검사
  6. 동결정액을 이용한 체외수정란의 체외발육율 검사
 Ⅲ. 통계처리
 Ⅳ. 결과
 Ⅴ. 고찰
 Ⅵ. 참고문헌

저자

• 김성곤 [ Sung-Gon Kim | 강원대학교 동물자원학부 ]
• 장현용 [ Hyun-Yong Jang | 강원대학교 동물자원학부 ]
• 박동헌 [ Dong-Heun Park | 강원대학교 동물자원학부 ]
• 박춘근 [ Choon Keun Park | 강원대학교 동물자원학부 ]
• 정희태 [ Hee Tae Cheong | 강원대학교 동물자원학부 ]
• 김정익 [ Choung Ik Kim | 강원대학교 동물자원학부 ]
• 양부근 [ Boo Keun Yang | 강원대학교 동물자원학부 ] Corresponding Author

참고문헌