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首页> 外文期刊>Turkish Journal of Fisheries & Aquatic Sciences >Effects of dietary aloe vera on growth performance, skin and gastrointestine morphology in rainbow trout (Oncorhynchus mykiss).
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Effects of dietary aloe vera on growth performance, skin and gastrointestine morphology in rainbow trout (Oncorhynchus mykiss).

机译：饮食芦荟对虹鳟（Oncorhynchus mykiss）生长性能，皮肤和胃肠道形态的影响。

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摘要

This study investigated the effects of dietary Aloe vera on growth performance, some histological alterations in rainbow trout skin and gastrointestinal tract and disease resistance against Streptococcus agalactiae (S. agalactiae). Four treatments were designed including a control and Aloe vera incorporated in the fish feed at 0.01%, 0.1% and 1%, which were administrated for a period of six weeks. Results showed that Aloe vera at 0.1% and 1% administration resulted in improved specific growth rate (SGR) and feed conversion ratio (FCR). The Aloe vera-treated groups, improvement in proximal intestine, pyloric caeca and skin epidermis histology were also noted. The mortality rate after challenge with S. agalactiae was significantly low in fish fed 0.1% and 1% Aloe vera. The present study suggests that Aloe vera especially at 0.1% and 1% feed administration may enhance effectively the growth performance, gastrointestinal and skin morphology and resistance against S. agalactiae in rainbow trout.
机译：这项研究调查了饮食芦荟对生长性能，虹鳟鱼皮肤和胃肠道的一些组织学改变以及对无乳链球菌（S.agalactiae）的抗病性的影响。设计了四种处理方法，包括对照和在鱼饲料中掺入0.01％，0.1％和1％的芦荟，为期六周。结果显示，施用0.1％和1％的芦荟可提高比生长速率（SGR）和饲料转化率（FCR）。还注意到芦荟治疗组，近端肠，幽门盲肠和皮肤表皮组织学的改善。在饲喂0.1％和1％芦荟的鱼中，无乳链球菌攻击后的死亡率非常低。本研究表明，芦荟，尤其是饲喂0.1％和1％的饲料，可以有效增强虹鳟鱼的生长性能，胃肠道和皮肤形态以及对无乳链球菌的抗性。

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