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논문 기본 정보

자료유형
학술저널
저자정보
김영훈 (제주대학교 농과대학) 김중계 (제주대학교 농과대학)
저널정보
한국동물번식학회 한국수정란이식학회지 한국수정란이식학회지 제11권 제3호
발행연도
1996.1
수록면
233 - 240 (8page)

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This study was carried out to determine the effect of cumulus cell attachment and various factors on in vitro maturation of pig foflicular oocytes. Oocytes with various configuration of cumulus cell mass were collected ftom ovaries of mature gilts by asperating with syringe equipped with needles of different gauges, follicle size and with or without cumulus cells. They were cultured in TCM-199 mediun containing FGS(fetal calf serum) for 30~48 hours in incubator with air containing 5% $CO_2$ at 38.5$^{\circ}C$. Mter orcein staining at in vitro maturation condition, GV, GVBD, anaphase, telophase and M II were observed. Results are surumarized as follows: 1. Recovery rates were 55.8, 55.5 and 34.4% when the cumulus-compacted oocytes were collected with 18, 21, 26 gauge needles of syringes, respectively. 2. 79% of oocytes with compacted cumulus cells were at GV stage and most of the oocytes with partially denuded and denuded cumulus cells were from GVBD to M- II stages. 3. Percentage of mature oocytes among those which are follicular diameter of 1~2, 3~6 and over 6 mm was 42.6, 53.2 and 60.8%, respectively. 4. Percentage of mature oocytes among those which are compacted, partially denuded and denuded was 60.5, 46.2 and 35.4% respectively. 5. Percentage of mature oocytes in co-cultured with monolayers of cumulus cells was higher (57.1%) than that found with oocytes cultured alone (53.4%).

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