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首页> 外文期刊>Aquaculture Reports >Impact of fishmeal replacement with Arthrospira platensis on growth performance, body composition and digestive enzyme activities of the freshwater prawn, Macrobrachium rosenbergii
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Impact of fishmeal replacement with Arthrospira platensis on growth performance, body composition and digestive enzyme activities of the freshwater prawn, Macrobrachium rosenbergii

机译：鱼粉替代节肢动物对淡水虾罗氏沼虾生长性能，体成分和消化酶活性的影响

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摘要

In this study, we assessed the suitable level of replacement of fishmeal with a blue green microalga, Arthrospira platensis in feed for the post larvae (PL) of the freshwater prawn, Macrobrachium rosenbergii by evaluating the growth performance, prawn proximate composition, feed utilization parameters and the activity of digestive enzymes. The prawns were fed 5 different diets: a control diet and 4 different diets containing A. platensis at various levels such as 25%, 50%, 75%, 100%. These diets were fed to the PL for 90 days in triplicates. The growth performance in terms of weight gain, specific growth rate and feed efficiency ratio were found significantly (P 25>75>100% replacement of fishmeal with A. platensis. These results concluded that a partial replacement of the fishmeal with A. platensis at the level of 50% is beneficial for the growth of prawn M. rosenbergii.
机译：在这项研究中，我们通过评估生长性能，虾的近生成分，饲料利用参数，评估了用蓝绿色微藻替代节食的鱼粉适合淡水虾罗氏沼虾后期幼体（PL）的饲料中鱼粉的水平。和消化酶的活性。对虾喂食了5种不同的饮食：一种对照饮食和4种不同的饮食，它们分别以25％，50％，75％，100％的含量添加了白僵菌。将这些饮食一式三份喂给PL 90天。增重，比重生长率和饲料效率比方面的生长性能显着提高（P 25> 75> 100％用白僵菌替代鱼粉），这些结果表明，在50％的水平有利于罗氏沼虾的生长。

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