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草业学报  2013 

肌肉化学成分的影响

DOI: 10.11686/cyxb20130441, PP. 346-350

Keywords: 碱蓬,羔羊,肌肉组织,器官,矿物元素

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Abstract:

盐生植物碱蓬是北方盐渍化草地一种潜在的饲料资源,其矿物元素富集的特征增加了家畜采食后的矿物质缺乏和不平衡的风险。本试验重点研究了羔羊日粮中添加0%,25%,50%碱蓬干草饲喂50d后,对羔羊肌肉组织、心、肝、肾中矿物元素含量的影响。试验结果表明,日粮中添加碱蓬对肌肉组织中钙含量有显著的影响(P<0.05),随着碱蓬含量的增加,羊肉中钙含量显著的减少;铁含量随碱蓬增加有提高的趋势,而且接近显著的水平,铜含量表现降低的趋势,但统计差异不显著。肝中铁和铜的含量变化也表现出与肌肉组织相似的趋势。添加碱蓬对心和肾组织中的各种矿物元素无显著的影响。因此,短期饲喂碱蓬干草对羔羊组织中矿物元素无明显的不利影响,但长期饲喂应关注动物发生铁过量和钙、铜缺乏的风险。

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