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논문 기본 정보

자료유형
학술저널
저자정보
조성근 (경상대학교 축산진흥연구소) 송상현 (경상대학교 축산진흥연구소) 공일근 (순천대학교 동물자원학과) 이효종 (경상대학교 수의학과) 최상용 (경상대학교 수의학과) 박충생 (경상대학교 축산진흥연구소)
저널정보
한국동물번식학회 한국수정란이식학회지 한국수정란이식학회지 제15권 제1호
발행연도
2000.1
수록면
67 - 75 (9page)

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This study was conducted to establish the optimal conditions for in vitro embryo production using oocytes derived from follicles of slaughter-house ovaries. The ovaries of Hanwoo were obtained from a local slaughter-house. The oocytes were aspirated from visible follicles of 2~7mm in diameter. The recovered oocytes which were completely surrounded by at least 2 layers of cumulus cells and a homogeneous cytoplasmic pigmentation were used. The selected oocytes were washed 3 or 4 times with D-PBS containing 10% bovine calf serum (BCS) and matured in vitor (IVM) in Ham's F-10 supplemented with 10% BCS or 0.01 $\mu\textrm{g}$/ml epidermal growth factor(EGF) at 39$^{\circ}C$ under 5% CO2 in air for 24 hours. They were fertilizqed in vitro (IVF) with fresh sperm separated by Percoll density gradient or swim-up in TALP media. The zygotes were cultrued with or without bovine oviductal epitherial cells(BOEC) in media(HECM-6 supplemented with 11 amino acid and / or TCM-199 supplemented with 10% BCS) for 7 to 10 days. The results obtained were as follow: The cleavage rate and developmental rate to blastocyst after maturation and IVF were not significantly different between Ham's F-10 with EGF(76.0% vs. 44.0%) and BCS(75.9% vs. 43.6%)(P<0.05). The cleavage rate and development rate to blastocyst after fertilizing by swim-up or Percoll method were not signifciantly(P<0.05) different between swim-up (80.2% vs. 29.2%) and Percoll(81.9% vs. 26.5%) (P<0.05). The cleavage rate in TCM 199(80.5) was signficiantly higher than that in HECM-6 (72.0%) (P<0.05). However, developmental rate to blastocyst using TCM 199 following HECM-6 for 3 or 4 days (42.2%) was significantly higher than that in TCM-199 alone(26.7%)(P<0.05). The cleavage rate and development rate of embryos produced in vitro by exchange timing for HECM-6 media were not significantly different between in day 3(78.6% vs. 45.5%) and day 4(75.0% vs. 43.2%)(P<0.05). The cleavage rate and developmental rate to blastocysts according to co-culture system were not significantly different between with (74.2% vs. 41.4%) and without BOEC(73.95 vs. 43.5%) (P<0.05). The number of blastomere in blastocyst stage after co-culture with or without BOEC was not significantly different (106.7$\pm$5.1 and 96.6$\pm$4.0). In conclusion, the most transferable IVP embryos could be produced from Ham's F-10 medium for IVM, Percoll density gradient method for IVF sperm separation and in vitro culture in HECM-6 until day 3 or day 4, and then transferred into TCM-199 until day 9 within adequate embryo density in culture droplets after insemination.

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