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饲粮钙和维生素D_3水平对肉仔鸡生长性能、屠宰性能和肉品质的影响 预览 被引量:7

Effects of Dietary Calcium and Vitamin D_3 Levels on Growth,Slaughter Performance and Meat Quality of Broilers
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摘要 本试验旨在研究饲粮钙和维生素D3水平对肉仔鸡生长性能、屠宰性能和肉品质的影响。试验采用2×2完全随机设计,选用21日龄爱拔益加肉仔鸡240只,随机分成4个处理,每个处理6个重复,每个重复10只鸡。饲养时间为28 d。试验以玉米-豆粕型饲粮为基础饲粮,共设2个钙水平(0.90%和1.15%)和2个维生素D3水平(750和5 000 IU/kg),组成4种试验饲粮。结果表明:1)饲喂含有1.15%钙和5 000 IU/kg维生素D3的饲粮21 d对生长性能影响不显著(P〉0.05),饲喂28 d对生长性能影响显著(P〈0.05);2)1.15%的钙对腹脂率影响显著(P〈0.05);3)1.15%的钙对肌肉剪切力影响极显著(P〈0.01),5 000 IU/kg维生素D3对肌肉剪切力影响不显著(P〉0.05),钙和维生素D3的互作效应对肌肉剪切力影响显著(P〈0.05)。以上研究结果表明,长期饲喂含有1.15%钙和5 000 IU/kg维生素D3的饲粮将会降低肉仔鸡生长性能;1.15%的钙能降低肉仔鸡的腹脂率,减小肌肉剪切力,从而提高肉品质。 This experiment was conducted to study the effects of calcium and vitamin D3 on growth,slaughter performance and meat quality of broiler chickens.Using a 2×2 completely randomized design,two hundred and forty 21-day-old AA broilers were randomly divided into 4 treatments with 6 replicates per treatment and 10 chickens per replicate.The experiment lasted for 28 d.A corn-soybean meal diet was the basal diet.Calcium levels were 0.90% and 1.15%,respectively,and vitamin D3 levels were 750 and 5 000 IU/kg,respectively,in four kinds of experimental diets.The results showed as follows: 1) 1.15% of calcium and 5 000 IU/kg of vitamin D3 had no significant effect on the growth performance during the prior period(21 d)(P0.05),but had a significant effect during the later period(28 d)(P0.05);2) 1.15% calcium had a significant effect on abdominal fat(P0.05);3) 1.15% calcium had a significant effect on muscle shear force(P0.01),while 5 000 IU/kg vitamin D3 had no significant effect on muscle shear force(P0.05),and the interaction of calcium and vitamin D3 had a significant effect on muscle shear force(P0.05).The above results indicate that feeding a diet containing 1.15% calcium and 5 000 IU/kg vitamin D3 for a long time will reduce growth performance of broilers.But 1.15% calcium can improve meat quality by reducing the percentage of abdominal fat and muscle shear force in broilers.
作者 陈娟 王安 张淑云 郭丽 CHEN Juan WANG An ZHANG Shuyun GUO Li(Institute of Animal Nutrition,Northeast Agricultural University,Harbin 150030,China)
出处 《动物营养学报》 CAS CSCD 北大核心 2010年第6期 1544-1550,共7页 Acta Zoonutrimenta Sinica
基金 东北农业大学创新团队发展计划基金资助(CXT0006)
关键词 维生素D3 生长性能 屠宰性能 肉品质 calcium vitamin D3 growth performance slaughter performance meat quality
作者简介 陈娟(1983-),女,河南周口人,硕士,主要从事动物营养与饲料科学研究。E-mail:chenjuan19888@126.com 通讯作者:王安,研究员,硕士生导师,E-mail:wangan451@126.com
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