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논문 기본 정보

자료유형
학술저널
저자정보
Park, Ji-Hoon (College of Veterinary Medicine, Chungnam National University) Rhee, Man-Hee (College of Veterinary Medicine, Kyungpook National University) Kim, Sang-Keun (College of Veterinary Medicine, Chungnam National University)
저널정보
한국동물번식학회 한국동물번식학회지 한국동물번식학회지 제34권 제3호
발행연도
2010.1
수록면
223 - 227 (5page)

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초록· 키워드

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These study was carried out to investigate the effects of the recovery time, diameter of oocytes on in vitro fertilization or intracytoplasmic sperm injection (ICSI). The in vitro maturation rates to MII stage of oocytes recovered at the inactive, follicular and luteal stages matured for 72 h were $1.4{\pm}0.0%$, $43.4{\pm}3.2%$ and $10.8{\pm}2.7%$, respectively. The fertilization rates of in vitro cultured oocytes recovered from ovaries at the in active, follicular and luteal stages were $0.0{\pm}0.0%$, $15.7{\pm}3.4%$ and $7.6{\pm}3.5%$, respectively. The in vitro maturation rate of oocytes recovered from ovaries at the follicular stage of the reproductive cycle was significantly higher than those at the inactive and luteal stages (p<0.05). The penetration rate determined that the percentages of oocytes with diameters in the < $100\;{\mu}m$, 100 to $100\;{\mu}m$ and 110 to $120\;{\mu}m$ ranges were $17.5{\pm}4.7%$, $43.9{\pm}4.5%$, $21.3{\pm}3.4%$, respectively. The penetration rate of oocytes with diameters between 100 to $100\;{\mu}m$ was significantly higher than that of oocytes whose diameters were < $100\;{\mu}m$ and $110{\sim}120\;{\mu}m$ (p<0.05). The penetration rate of oocytes determined that the percentages of ovaries with diameters between 1 to 5 mm and 6 to 10 mm were $32.9{\pm}3.2%$ and $17.5{\pm}3.7%$, respectively. Thus, the diameters of the ovaries were significantly higher at 1 to 5 mm (p<0.05). A total of 264 oocytes were fixed and stained after co-incubation with sperm, of which 72 had identifiable nuclear material. After in vitro fertilization for 20 hrs, 27.3% of oocytes were penetrated by spermatozoas. Oocytes were fixed and stained after ICSI, of which 38 oocytes contained identifiable nuclear material. After in vitro fertilization and ICSI for 20 hrs, to 27.3% and 67.9% of oocytes were penetrated by spermatozoas. The in vitro fertilization rates by ICSI was significantly higher than that in vitro fertilization method (p<0.05).

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