饲粮添加高铜和VE对猪生长性能和猪肉品质的影响

被引:51
作者
陈代文
李永义
张克英
李学伟
胡祖禹
机构
[1] 四川农业大学动物营养研究所
[2] 四川农业大学动物科技学院
关键词
猪; 生长性能; 猪肉品质; 铜; VE;
D O I
10.16036/j.issn.1000-2650.2002.01.006
中图分类号
S828.5 [];
学科分类号
090502 ;
摘要
用 36头约克猪研究了在 2 0~ 10 0kg饲粮中添加高铜和VE对猪生产性能和猪肉品质的影响。试验采用 2×2因子设计 ,在对照饲粮中添加 2 5 0mg/kg铜或 /和 2 0 0mg/kgVE。结果表明 ,单独添加高铜或VE或二者同时添加有提高ADG、降低F/G的趋势 ,二者同时添加显著降低全期F/G(P <0 0 5 )。单独添加高铜趋于提高眼肌面积 ,不影响屠宰性能和肌肉养分含量 ,对冷存肉 (4℃贮存 )的滴水损失、硫代巴比妥酸反应物 (TBA)值和肉色无明显影响 (P >0 0 5 )。单独添加VE有提高眼肌面积和鲜肉肉色评分、降低鲜肉滴水损失和失水率的趋势 (P >0 0 5 ) ,提高鲜肉Fe、Cu和VE的含量 (P <0 0 5 ) ,降低冷存 9天猪肉的TBA值 (P <0 0 1)和滴水损失 (P >0 0 5 ) ,稳定冷存猪肉的肉色达 6~ 9d(P <0 0 5 )。同时添加高铜和VE的作用规律与单独添加VE时相同 ,但作用程度略低于后者。本研究表明 ,在生长育肥猪饲粮中添加 2 5 0mg铜 /kg对猪肉品质无不良影响 ,而添加 2 0 0mgVE/kg可改善猪肉品质 ,延长贮存期
引用
收藏
页码:23 / 28
页数:6
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