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논문 기본 정보

자료유형
학술저널
저자정보
공일근 (순천대학교 농과대학 동물자원과학과) 이상인 (순천대학교 농과대학 동물자원과학과)
저널정보
한국동물번식학회 한국수정란이식학회지 한국수정란이식학회지 제14권 제1호
발행연도
1999.1
수록면
31 - 37 (7page)

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The objective of this study was to optimize the selection of sperm sources, optimal culture systems and vitrification method depends on sperm sources. The oocytes were inseminated with either KPN 105, 114, 191, SNU 101, 102, 103 or epididymis and then embryos inseminated were cultured in oviductal cell co-culture or HECM-6 as defined me dium. The blastocysts produced were pooled according to sperm sources as KPN, SNU or epididymis and then vitrified by OPP vitrification method. The results obtained were as follows: 1. The cleavage(86.2 or 84.7%) and development rates to blastocyst (30.6 or 32.0%) were not significantly different between oviductal cell co-culture or HECM-6 culture systems(P<0.05). 2. To determine the optimal sperm sources for using IVF in this system, cleavage rates in KPN 191 and SNU 101 (74.2, 55.8%) were significantly lower rather than those in KPN 105, 114, SNU 102, 103 or epididymis (86.7, 85.1, 89.8, 85.5 or 81.2%), but development rates to blastocyst in KPN 114, SNU 103 or epididymis sperm (30.0, 33.0 or 28.6%) were significantly higher rater than those in KPN 105, 191, SNU 101, 102(21.4, 15.4, 14.9 or 25.4%), respectively (P<0.05). 3. The blastocysts produced were pooled according to sperm sources as KPN, SNU or epididymis and then vitrified by OPP vitrification method. The survival rates were not significantly different among sperm sources (89.6%: 43/48 ; 90.1%: 46/51 ; 83.3% : 20/24). These results obtained indicate that the defined medium, HECM-6, could be use to produce of IVP bovine embryos. Since the frozen semen must be required to maintain of unvariation data in IVP embryo production system, KPN 114 and SNU 103 produced in our laboratory were useful for this purpose. The blastocysts produced by different sperm sources as KPN, SNU or epididymis were vitrified by OPP vitrification method and survived very high rates. The OPP vitrification method could be susceptibility to use of IVP bovine blastocyst embryos.

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