Reproductive and Developmental Biology

  • 제31권3호
  • /
  • Pages.175-179
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  • 2007
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  • 1738-2432(pISSN)
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  • 2288-0151(eISSN)
한국동물번식학회 (The Korean Society of Animal Reproduction)
권호 표지

미니 돼지 동결정액의 융해 온도가 정자성상에 미치는 영향

Effect of Thawing Temperature on Sperm Characteristics of Frozen Semen in Miniature Pig

  • 최원철 (강원대학교 동물생명과학대학) ;
  • 양미혜 (강원대학교 동물생명과학대학) ;
  • 이용승 (강원대학교 동물생명과학대학) ;
  • 정희태 (강원대학교 수의학부대학) ;
  • 양부근 (강원대학교 동물생명과학대학) ;
  • 이동석 (강원대학교 동물생명과학대학) ;
  • 박춘근 (강원대학교 동물생명과학대학)
  • Choi, Won-Cheol (College of Animal Life Sciences Kangwon National University) ;
  • Yang, Mi-Hye (College of Animal Life Sciences Kangwon National University) ;
  • Lee, Yong-Seung (College of Animal Life Sciences Kangwon National University) ;
  • Cheong, Hee-Tae (School of Veterinary Medicine, Kangwon National University) ;
  • Yang, Boo-Keun (College of Animal Life Sciences Kangwon National University) ;
  • Lee, Dong-Seok (College of Animal Life Sciences Kangwon National University) ;
  • Park, Choon-Keun (College of Animal Life Sciences Kangwon National University)
  • 발행 : 2007.09.30
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초록

본 연구는 0.5ml straw를 이용한 정자 동결융해 시 응해 온도가 동결정자의 성상에 미치는 영향을 파악하고 미니 돼지의 동결정액에 최적화된 적정 응해 조건을 찾기 위하여 실시하였다. 정액동결 straw를 37, 50 및 $70^{\circ}C$에서 각각 5초, 10초 및 45초간 융해하여 생존율(SYBR-14/PI staining), 정자원형질막기능검사 (Hypoosmotic Swelling Test) 및 첨체반응율(CTC : chlorotetracycline staining)을 검사 한 결과, $70^{\circ}C$에서 5초간 융해한 정자의 생존율과 CTC 결과가 $37^{\circ}C$와 $50^{\circ}C$에서 10초 및 45초간 융해한 처리구보다 유의적(p<0.05)으로 높은 생존율과 낮은 비율의 첨체 반응율을 얻었다. 따라서 미니돼지의 동결 정액은 고온에서 단시간 융해를 하는 것이 정자의 성상에 유리한 것으로 사료된다.

The objective of this study was to investigate the effect of thawing temperature on the sperm viability and acrosomal morphology for semen storage of miniature pig by the 0.5ml straw method. In this present study, sperm viability (SYBR-14/PI staining), membrane integrity (Hypoosmotic Swelling Test), acrosome intactness, intensity and capacitation status (chlorotetracycline staining) in frozen miniature pig sperm were evaluated after thawing at 37, 50 and $70^{\circ}C$ for 5, 10 and 45 sec, respectively. Interestingly, the results indicated that sperm thawed at $70^{\circ}C$ for 5 sec significantly (p<0.05) increased sperm viability, but lower the percentage of AR (acrosome reacted spermatozoa) pattern compared to sperm thawed at $37^{\circ}C$ for 45 sec and $50^{\circ}C$ for 10 sec. In terms of thawing condition, high temperature for a short time using the 0.5ml straw was improved cryosurvival of miniature pig semen. Therefore, appropriate thawing method for cryopreservation of miniature pig is required for increasing post-thawing viability.

키워드

참고문헌

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