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논문 기본 정보

자료유형
학술저널
저자정보
박용수 (경상북도 축산기술연구소) 박흠대 (대구대학교 식품생명공학부) 장용석 (상주 유정목장) 조길재 (경북대학교 수의과대학)
저널정보
한국동물번식학회 한국수정란이식학회지 한국수정란이식학회지 제23권 제3호
발행연도
2008.1
수록면
161 - 166 (6page)

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The techniques for the collection, cooling and freezing of semen and artificial insemination of horses are not fully understood in Korea. We investigated the percentages of total motile (TM) and progressively motile (PM) sperms after the collection, cooling and freezing of stallion semen. The average volume of semen was 167 ml in Thoroughbred and 68 ml in Arab. The average numbers of spermatozoa in Thoroughbred and Arab were $104\times10^6/ml$ and $86\times10^6/ml$ respectively. The average percentages of TM and PM were 82.3% and 88.6% in Thoroughbred, and 61.4% and 82.6% in Arab, respectively. The average percentage of TM at 4 hr after cooling at $5^{\circ}C$ was significantly lower than that at 0 hr ($30.0\pm4.1%\;vs.\;78.0\pm2.5%,\;p<0.05$), but the percentage of PM was similar between 66.5 and 73.2% at 0, 1, and 4hr. The average percentage of frozen-thawed Thoroughbred semen frozen in MFR5 extender was 56.2%, which was significantly higher than that of the semen frozen in LE extender (average 32.9%, p<0.05). The percentage of TM in Arab was similar for semen frozen in MFR5 extender and LE extender (18.2% and 21.2%, respectively), but the percentage of PM was significantly higher in sperm frozen in MFR5 extender than in sperm frozen in LE extender (69.0% vs. 36.4%, p<0.05). Four mares were artificially inseminated by Thoroughbred frozen-thawed semen and one of them fertilized at 11 day after artificial insemination. In this study, the collection, cooling and freezing of equine semen were possible under domestic conditions.

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