饲粮蛋白质水平和饲料添加剂对日本鹌鹑生长性能和胴体性状的影响

S. Sherif
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引用次数: 1

摘要

本试验旨在研究饲粮蛋白质水平和添加酵母或外源酶对日本鹌鹑生长性能和胴体特性的影响。试验采用全因子随机设计(3×3),采用不添加或添加两种饲料添加剂的3种饲粮蛋白质水平(24%、21.6和19.2%)。540只鹌鹑被随机分为9组,饲养在笼子里,从2周龄到6周龄,分别饲喂各自的实验饲料和类似的管理方法。结果表明,饲粮蛋白质水平对鹌鹑的生长性能无显著影响。饲喂富酶饲料的鹌鹑的饲料转化率高于对照组。与对照组相比,添加酵母的饲粮提高了鹌鹑的最终体重和增重。饲料经济效益和胴体性状不受饲粮蛋白质水平、饲料添加剂及其相互作用的影响。综上所述,将饲粮粗蛋白质水平从24%降低至19.2%不会影响鹌鹑的生长性能、经济效益和胴体性状。无论饲粮粗蛋白质水平如何,饲粮添加酵母对鹌鹑生长性能均有有益影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
IMPACT OF DIETARY PROTEIN LEVEL AND FEED ADDITIVES ON GROWTH PERFORMANCE AND CARCASS TRAITS OF JAPANESE QUAIL
: A study was performed to investigate the effect of dietary protein level and addition of yeast or exogenous enzymes on growth performance and carcass characteristics of Japanese quail. A factorial completely randomized design (3×3), three dietary protein levels (24, 21.6 and 19.2%) without or with two feed additives was used. Five hundred and forty quails were randomly divided into nine groups, kept in cages, fed their respective experimental diets and managed similarly from 2 to 6 weeks of age. The obtained results illustrated that growth performance of quails did not affected by dietary protein level. Quails fed enzyme-enriched diets achieved better feed conversion than the control birds. Feeding yeast-supplemented diets improved the final body weight and weight gain of quails compared with the control birds. Economic efficiency of feeding (EEF) and carcass characteristics were not influenced by dietary protein level, feed additives and their interaction. In conclusion, decreasing dietary CP level from 24 to 19.2% does not compromise the growth performance, economic efficiency or carcass traits of quails. Dietary yeast supplementation has a beneficial effect on growth performance of quails, regardless of dietary CP level.
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