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논문 기본 정보

자료유형
학술저널
저자정보
박영식 (경북대학교 낙농학과)
저널정보
한국동물번식학회 한국수정란이식학회지 한국수정란이식학회지 제7권 제1호
발행연도
1992.1
수록면
21 - 30 (10page)

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This study was aimed to develope the new method for bovine sperm capacitation through testing and combinating factors relating to sperm capacitation. For verifying the efficiency of this method on inducing capacitation, in vitro fertilization was carried out. The results obtained were as follows: When pHs of HBS /PR for sperm-washing were 5.99, 6.38, 6.78, 7.10, 7.40, 7.69, 8.15, 8.45 and 8.83, variances between light absorhance differences obtained from sperm pre-washing solution and post-washing solution(VADs) were 0.000, 0.001, -0.001, -0.005, -0.005, -0.021,-0.017,-0.016,and-0.036, respectively. There were significant decreases of VADs in pH 7.69 and pH 8.83. When sperm were firstly, secondly, and thirdly washed with HBS /PR, VADs were -0. 024, - 0.006, and - 0.004, respectively. There was significant decrease of VAD in 1st sperm-washing. When washed-sperm were secondly washed with HBS /PR supplemented with no (con-trol), heparin, CSA, PC12, and BSA, VADs were 0.009, -0.024, -0.008, -0.009, and 0.014, respectively. When the sperm were thirdly washed with HBS /PR with no(control), heparin, CSA, PC12 and BSA, VADs were 0.020, -0.007, 0.005, 0.006, and 0.019, respectively. Only heparin treatment showed the negative values of VADs in 2nd and 3rd sperm-washing. Of oocytes cultured with sperm which were repeatedly washed with heparin and high pH, 52% (57/110) were cleaved over 2 cell stage. However, percent of oocytes parthenogenetically divided was 5%(2 /42).

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