孙珮琦,杨济淞,秦玉雪,薛佳欣,常一凡,于晓明,陈雷

• 1:大连海洋大学水产与生命学院
• 2:大连海洋大学海洋科技与环境学院
• 3:辽宁省海洋牧场工程技术研究中心

摘要(Abstract)：

为研究海水酸化对口虾蛄(Oratosquilla oratoria)生长、摄食、呼吸代谢的影响，以体质量(10.90±0.33)g的口虾蛄为研究对象，设置对照组(pH 8.10)及3个酸化处理组(pH 7.90、pH 7.70、pH 7.50),饲养49 d后，测定口虾蛄的体质量增长率、特定生长率、机体含肉率、日摄食量、存活率及耗氧率、排氨率。结果表明：海水pH对口虾蛄的体质量增长率、特定生长率、机体含肉率、日摄食量、存活率、耗氧率、排氨率影响显著(P<0.05);口虾蛄的体质量增长率、特定生长率、机体含肉率随pH下降而下降，日摄食量随pH下降而升高；口虾蛄的耗氧率和排氨率随pH下降而升高，而O∶N值呈先降低后升高的趋势；试验结束时，各组口虾蛄的存活率分别为98.41%±0.72%、98.10%±0.68%、97.74%±0.80%、95.31%±1.25%,其中pH 7.50组的存活率显著低于对照组(P<0.05)。研究表明，海水酸化对口虾蛄摄食、生长产生不利影响，且影响了口虾蛄的呼吸代谢，随着pH的降低，口虾蛄的耗氧率、排氨率逐渐升高。

关键词(KeyWords)： 口虾蛄;海水酸化;生长;摄食;呼吸代谢

Abstract:

Keywords:

基金项目(Foundation): 辽宁省教育厅科研项目(JYTMS20230491);; 农业农村部渔业渔政管理局政府购买服务合同(17230192,17230222)

作者(Author): 孙珮琦,杨济淞,秦玉雪,薛佳欣,常一凡,于晓明,陈雷

DOI: 10.16535/j.cnki.dlhyxb.2023-287

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