Abstract An 8-week feeding trial was proceeded to assess the effects of yeast and yeast extract on growth performance, anti-oxidant ability and intestinal microbiota of Litopenaeus vannamei. Five diets supplemented with 0% (Control), 3% beer yeast (Y), 0.5% yeast extract (YE0.5), 1% yeast extract (YE1) and 2% yeast extract (YE2) respectively were assigned to L. vannamei (four replicates per diet, 30 shrimp in each replicate, initial body weight 1.38 ± 0.01 g). The results showed higher weight gain and specific growth rate in shrimp fed diet YE2 compared with those fed the Control (P

中文翻译：

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酵母及酵母抽提物对南美白对虾幼虾生长性能、抗氧化能力及肠道菌群的影响

摘要 进行了为期 8 周的饲养试验，以评估酵母和酵母提取物对凡纳滨对虾生长性能、抗氧化能力和肠道微生物群的影响。分别添加 0%（对照）、3% 啤酒酵母（Y）、0.5% 酵母提取物（YE0.5）、1% 酵母提取物（YE1）和 2% 酵母提取物（YE2）的五种日粮被分配给南美白对虾（每个饮食四次重复，每个重复 30 只虾，初始体重 1.38 ± 0.01 g）。结果表明，与饲喂对照的虾相比，饲喂 YE2 饲料的虾的增重和比生长率更高（P