미니돼지의 체외수정에 영향을 미치는 정자처리의 요인
Effect of Sperm Treatment Factors on In Vitro Fertilization of Miniature Pig
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This study was conducted to investigate the effect of periods of sperm preincubation, concentrations and storage periods of miniature pig sperm on in vitro penetration of porcine follicular oocytes. High concentration (1×105, 2.5×105, 5×105, 1×106, 5×106 and 1×107) did support sperm penetration than low concentrations (P<0.05). However, polyspermic oocyte rates were increased with high concentrations of sperm. On the other hand, sperm preincubated during 1, 2 or 5h could be penetrated than sperm preincubated during 0, 3 or 4h (P<0.05). When sperm were storaged with different periods, in vitro pentration rates were significantly higher 0～2 days than 3～4 days of sperm storage (p<0.05). These results indicate that sperm treatment factors can effect in vitro penetration in miniature pig.
Abstract
This study was conducted to investigate the effect of periods of sperm preincubation, concentrations and storage periods of miniature pig sperm on in vitro penetration of porcine follicular oocytes. High concentration (1×105, 2.5×105, 5×105, 1×106, 5×106 and 1×107) did support sperm penetration than low concentrations (P<0.05). However, polyspermic oocyte rates were increased with high concentrations of sperm. On the other hand, sperm preincubated during 1, 2 or 5h could be penetrated than sperm preincubated during 0, 3 or 4h (P<0.05). When sperm were storaged with different periods, in vitro pentration rates were significantly higher 0～2 days than 3～4 days of sperm storage (p<0.05). These results indicate that sperm treatment factors can effect in vitro penetration in miniature pig.