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자료유형
학술저널
저자정보
Lee, B.K. (Dept. of Animal & Animal Resource Science, Joonbu University) Kim, S.K. (College of Veterinary Medicine, Chungnam National University)
저널정보
한국동물번식학회 한국수정란이식학회지 한국수정란이식학회지 제22권 제4호
발행연도
2007.1
수록면
223 - 227 (5page)

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This study was carried out to investigate the effect of morphology of oocytes, kinds of media, cysteine and myo-inositol supplementation on IVM rate of porcine oocytes. Cumulus- enclosed oocytes were incubated in maturation NCSU-23 and TCM-199 medium with supplementation with 3, 5, 10, 20 mM myo-inositol and 0.05, 0.1, 0.5, 1.0 mM cysteine. 1. When classified by morphology, excellent, good and fair of cumulus-enclosed oocytes were incubated for 48 hrs and the IVM rate were $14.2{\pm}3.7%{\sim}58.7{\pm}4.0%$, respectively. The rate were greater in oocytes with excellent cumulus cells than those without cumulus cells. 2. The IVM rate of oocytes cultured in TCM-199 and NCSU- 23 medium supplementation or non-supplementation with 1.0 mM myo-inositol were $7.5{\pm}4.5%,\;45.0{\pm}4.8%\;and\;4.4%,\;42.5{\pm}4.2%,\;18.0{\pm}5.2%$, respectively. Supplementation with myo-inositol significantly increased the IVM rate of oocytes. 3. The IVM rate of oocytes cultured in NCSU-23 medium supplementation of 3, 5, 10, 20 mM myo-inositol for 48 hrs were $47.5{\pm}4.5%,\;57.5{\pm}4.2%,\;62.5{\pm}4.9%,\;50.0{\pm}5.2%$, respectively. The IVM rate of oocytes in NCSU-23 medium supplemented with 10 mM myo-inositol were significantly increased compared to control ($42.5{\pm}4.0%$). 4. The IVM rate of oocytes cultured for 48 hrs in NCSU-23 media supplement with 0.3, 0.5, 1.0, 2.0 mM myo-inositol were $50.0{\pm}4.5%,\;62.5{\pm}4.2%,\;52.5{\pm}4.9%,\;45.0{\pm}4.2%$, respectively. The IVM rate of oocytes in NCSU-23 medium supplemented with 10 mM cysteine were significantly increased compared to control ($42.5{\pm}4.0%$).

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