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논문 기본 정보

자료유형
학술저널
저자정보
김연수 (진주산업대학교 동물소재공학과) 김철욱 (진주산업대학교 동물소재공학과) 김인철 (축산과학원 양돈과) 곽대오 (경상대학교 과학교육과) 정기화 (진주산업대학교 동물소재공학과)
저널정보
한국동물번식학회 한국동물번식학회지 한국동물번식학회지 제33권 제1호
발행연도
2009.1
수록면
29 - 33 (5page)

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The brilliant cresyl blue (BCB) has been used to select the developmental competent oocytes in pigs, goats and cows. Growing oocytes have a higher level of active glucose-6-phosphate dehydrogenase(G6PDH) compare to mature oocytes and are rarely stained compared to mature oocytes, because G6PDH converts BCB to colorless. First polar body extrusion regard as a guideline of meoisis completion. Selection of polar body extrude oocyte is more developmental competent to blastocyst than unselected. This study was conducted to compare the BCB test to the polar body extrusion on selection of developmental competent porcine oocytes for the production of blastocyst. Cumulus-Oocytes complex were exposed to 26uM BCB stain diluted in NCSU-23 for 90 min. There was no significant difference embryo development to blastocysts between BCB treated and not treated($19.58{\pm}1.99$ vs $18.75{\pm}2.27%$), which means there was no detrimental effect of BCB exposure to oocytes. Normal fertilization is not differed among treatment groups from 70.0 to 78.4% development to blastocyst, beside polyspermy did not. To compare two different selection methods, BCB test and polar body extrusion, evaluate the developmental competent of IVP embryos. BCB+PB+(blue stained and polar body extruded, $20.71{\pm}0.45%$) and BCB-PB+(colorless and polar body extruded, $20.04{\pm}l.29%$) groups are significantly (p<0.05) higher developed than those of BCB+PB-(blue stained and no polar body, $13.24{\pm}0.73%$) and BCB-PB-(colorless and no poladbody, $7.25{\pm}0.77%$). These results showed that selection of polar body extruded oocytes method is more efficient than that of BCB test.

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