植物蛋白源部分或全部替代鱼粉对金头鲷生产性能的影响夸龙湖水环境下的鱼苗

Nir Tzohari
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引用次数: 0

摘要

本试验旨在研究在quaroun湖水环境下,饲料中添加不含氨基酸的植物蛋白(PP)来源(0%、50%和100% PP)部分或全部替代鱼粉对金头鲷鱼苗生长性能、成活率、饲料利用率和鱼体化学成分的影响。生存率在65 ~ 83.75%之间。结果表明,植物蛋白部分或全部替代鱼粉蛋白对末重、总增重、日增重和特定生长率等生长性能参数均有显著影响(P0.05)。饲料中植物蛋白含量为0%(100%鱼粉蛋白)时的生长性能指标高于其他饲料(50%和100%鱼粉蛋白)。饲粮中添加(100% FM)时采食量最高。饲粮中添加(100% FM)的饲料转化率最高。饲粮中添加(100% PP)的饲料效率最低。粗蛋白质和粗脂肪体含量以饲粮添加100% PP时最低。粗蛋白质和粗脂肪体含量以饲粮(100%鱼粉)最高,水分体含量以饲粮(100% PP)最高。因此,添加高水平鱼粉对海鲷的各项生长性能参数均有改善作用。在不添加非氨基酸的情况下,随着饲粮中植物蛋白的增加,生长性能参数降低。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effect of Partial or Total Replacement of Fish Meal by Plant Protein Sources on Productive Performance of Gilthead Sea Bream (Sparus aurata L.) Fry under the Water Environment of Qaroun Lake
This experiment was conducted to investigate the effect of partial or total replacement of fish meal by plant protein (PP) sources (0%, 50% and 100% PP) with not amino acids were added in diets on growth performance, survival rate, feed utilization and fish body chemical composition of gilthead Sea bream (Sparus aurata L.) fry under the water environment of Qaroun Lake. Survival rate was within the range 65–83.75%. The results cleared that the partial or total replacement of fish meal protein by plant protein had significant effects (P0.05) on the growth performance parameters such as final weight, total weight gain, daily gain and specific growth rate. The highest growth performance parameters were obtained with the diet contained 0% of plant protein (100% fish meal protein (FM)) compared with the other diets (50 and 100% PP). Feed intake values were highest with diet containing (100% FM). Also, the best feed conversion ratio (FCR) was recorded with diet containing (100% FM). While, the worst FCR was recorded with diet containing (100% PP). The lowest crude protein and ether extract body content were with diet contained (100% PP). But, the highest body content of crude protein and ether extract were with diet (100% FM), however moisture body content value was highest with diet (100% PP). Accordingly, the improvement of all growth performance parameters in diets containing higher levels of fish meal in Sea bream. And growth performance parameters were decreased with increasing plant protein in diets without not amino acids were added under the experimental conditions.
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