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首页> 外文期刊>Journal of Fish Biology >Biochemical composition of the ovarian fluid and its effects on the fertilization capacity of turbot Scophthalmus maximus during the spawning season
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Biochemical composition of the ovarian fluid and its effects on the fertilization capacity of turbot Scophthalmus maximus during the spawning season

机译：产卵季节卵巢液的生化成分及其对大菱S的受精能力的影响

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摘要

This study investigated the biochemical composition of ovarian fluid and its effect on the fertilization capacity of turbot Scophthalmus maximus during the spawning season. The fertilization rate and pH of ovarian fluid varied throughout the spawning season, with the highest values recorded at the mid-season. Positive correlations were found between the fertilization rate and the ovarian fluid pH. The composition of major inorganic ions (Na+, K+, Ca2+ and Cl-) showed no significant changes during the spawning season. Alkaline phosphatase (AKP) activity was significantly higher during mid-season than other seasons. The lowest levels of protein, acid phosphatase (ACP) and aspartate aminotransferase (AAT) were in the ovarian fluid released at the mid-season. Moreover, significant relationships were observed between the fertilization rate and the levels of protein, ACP, AKP and AAT. These observations suggest that the biochemical profile of ovarian fluid affects the insemination microenvironment as well as the fertilization capacity of S. maximus eggs. Determination of such profiles may prove to be a useful strategy to improve S. maximus breeding techniques.
机译：本研究调查了产卵季节卵巢液的生化成分及其对大菱turbo最大受精能力的影响。在整个产卵季节，卵巢液的受精率和pH值均发生变化，在季节中期记录到最高值。在受精率和卵巢液pH之间发现正相关。产卵期主要无机离子（Na +，K +，Ca2 +和Cl-）的组成没有明显变化。赛季中期，碱性磷酸酶（AKP）的活性明显高于其他季节。蛋白质，酸性磷酸酶（ACP）和天冬氨酸转氨酶（AAT）的最低水平是在季节中期释放的卵巢液中。此外，观察到受精率与蛋白质，ACP，AKP和AAT的含量之间存在显着的关系。这些观察结果表明，卵巢液的生化特性影响授精微环境以及最大链球菌卵的受精能力。确定此类图谱可能被证明是改善最大链霉菌育种技术的有用策略。

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