申玉春,齐明,朱春华,吴灶和,黄翔鹄

• 1:广东省南海水产经济动物增养殖重点实验室
• 2:广东海洋大学

摘要(Abstract)：

利用稳定同位素碳比率δ13C作为天然示踪物,对高位养殖池生态系统中人工饲料和天然饵料提供的能源物质对养殖凡纳滨对虾生长的贡献比率进行研究。结果表明:虾体的δ13C值受食物δ13C值的影响,由于其摄食饵料的δ13C值逐渐减小,虾体的δ13C值也逐渐降低,逐渐接近于最后人工饲料的δ13C值,试验虾体的δ13C值由养殖开始时的-19.52‰±0.09‰变为实验结束时的-21.74‰±0.17‰;对虾的食性在10d左右时发生转变,34d左右时人工饲料和浮游动物对虾体的能量贡献基本相同,养殖结束时对虾生长能量的97.29%±0.98%来源于人工饲料。

关键词(KeyWords)： 凡纳滨对虾;食物组成;稳定同位素

Abstract:

Keywords:

基金项目(Foundation): 广东省科技计划项目(2007A032600004);; 广东省重大科技兴海项目(B200608A03);; 科技部农业科技成果资金转化项目(2006GB2E000224)

作者(Author): 申玉春,齐明,朱春华,吴灶和,黄翔鹄

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