Research Article: Evaluation of feed efficiency, growth and biochemical parameters of rainbow trout (Oncorhynchus mikyss) juveniles fed with different levels of Alphamune prebiotic

Iranian Journal of Aquatic Animal Health Pub Date : 2021-08-01 DOI:10.52547/ijaah.7.1.47

H. Kanani, S. Javadian, S. Bahram

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Abstract

This research was conducted to evaluate the effect of different levels of Alphamune prebiotic on growth performance and blood chemistry of rainbow trout (Oncorhynchus mykiss) juvenile. Rainbow trout with an initial weight of 16.46±0.09 g were randomly assigned to four dietary treatments for eight weeks. The dietary treatment was: 0 (ALP0), 1 (ALP1), 1.5 (ALP1.5), and 2 (ALP2) g of Alphamune prebiotic/kg of basal diet. The results showed that there was no significant difference in survival rate and SGR at the end of the trial. A significant difference was observed in the final weight and weight gain, and the highest one was obtained in ALP1.5 treatment (p<0.05). Food conversion rate (FCR) was affected by Alphamune levels and the lowest FCR was observed in ALP1.5 treatment. Blood biochemistry assay revealed that glucose, triglyceride, and cholesterol were not influenced by Alphamune's different levels. Corresponding author's Email: Ro.javadian@gmail.com. There were significant differences in IgM and total protein and the highest value was obtained in ALP2. These results showed that 1.5% Alphamune prebiotic (ALP1.5) had a positive effect on growth performance and biochemical parameters of rainbow trout juveniles. Keyword: Alphamune, Prebiotic, Growth, Oncorhynchus mykiss

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研究文章:不同水平的Alphamune益生元对虹鳟鱼幼鱼饲料效率、生长及生化指标的影响

本试验旨在研究不同水平的Alphamune益生元对虹鳟鱼幼鱼生长性能和血液化学的影响。选取初始体重为16.46±0.09 g的虹鳟鱼，随机分为4组，饲喂8周。饲粮添加量分别为:0 (ALP0)、1 (ALP1)、1.5 (ALP1.5)和2 (ALP2) g /kg基础饲粮。结果显示，试验结束时生存率和SGR无显著差异。末重和增重差异显著，以ALP1.5处理最高(p<0.05)。饲料转化率(FCR)受α mune水平的影响，ALP1.5处理的饲料转化率最低。血液生化分析显示，葡萄糖、甘油三酯和胆固醇不受α mune不同水平的影响。通讯作者Email: Ro.javadian@gmail.com。IgM和总蛋白有显著性差异，以ALP2最高。由此可见，添加1.5% α - 1.5益生元对虹鳟鱼幼鱼的生长性能和生化指标均有积极影响。关键词:甲素;益生元;生长

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Iranian Journal of Aquatic Animal Health

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