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논문 기본 정보

자료유형
학술저널
저자정보
장규태 (경상대학교 농과대학) 민관식 (경상대학교 농과대학) 오석두 (진주농림전문대학) 강대진 (경상대학교 농과대학) 윤창현 (경상대학교 농과대학)
저널정보
한국동물번식학회 한국동물번식학회지 한국동물번식학회지 제16권 제3호
발행연도
1992.1
수록면
209 - 215 (7page)

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These studies were carried out to overcome 2-cell block and in vitro development to blastocysts in vitro fertilization of mouse embryos. The unfertilized ova were obtained by superovulation in ICR mice of 4 to 6 weeks old. Tyrode's 280 solution was used as basal media, and the pH range of media examined was designed from 6.5 to 7.5 with 0.2 interval and the range of osmolality from 250 to 370 mOsm with 20 interval, and the period of sperm preincubation examined was 30, 60, 120, and 180 minutes. The ova developed to 2-cell embryos after 26hrs of incubation with preincubated sperm were evaluatated as in vitro fertilized ones. The results obtained were summarized as follows: 1. The optimal ranges of pH and osmolality of culture media and of sperm preincubation time for in vitro development of in vitro fertilized ova to blastocyst were pH 7.1 to 7.3, 250 to 350 mosmol and 60 to 180 min, respectively. 2. With the media of pH 7.1, 310 mOsm and sperm preincubation period of 120min in another experiment of large sample size, the in vitro fertilized ova was found 66.5% and the in vitro development of in vitro fertilized ova to blastocyst was found 35.8%. From the above results it was concluded that the optimal conditions of pH and osmolality of the media for mouse IVF and embryo culture, and the period of sperm preincubation might be 7.1, 310 mOam and 120min, respectively.

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