泌阳县肉牛常用饲料原料营养成分检测分析
China Cattle Science(2019)
Abstract
[目的]分析夏南牛主产区主要饲料原料营养成分,为草食动物饲养提供参考数据.[方法]采集了全株玉米青贮、花生秧、麦秸、玉米秸秆黄贮、稻草、酒糟、干玉米秸秆7个粗饲料样品及玉米、麸皮2个精饲料共28个样品,委托郑州奥瑞森生物科技有限公司,采取概略养分分析法,进行了主要营养成分的分析检测.[结果]结果表明,全株玉米青贮、花生秧、麦秸、玉米秸秆黄贮4种主要粗饲料的干物质、粗蛋白、粗灰分、酸性洗涤纤维、中性洗涤纤维、钙、磷平均含量分别为:27.49%,8.22%,6.55%,54.05%,36.23%,0.35%,0.38%;89.240%,8.36%,12.11%,61.87%,56.35%,1.38%,0.33%;92.13%,3.49%,8.41%,78.98%,55.89%,0.30%,0.13%;31.87%,7.44%,6.85%,55.70%,35.95%,0.38%,0.30%.[结论]全株玉米青贮的综合营养价值最高,其次是玉米黄贮,第三是花生秧,麦秸粗蛋白含量最低.花生秧和麦秸钙磷比例不平衡,比例分别达到4.18∶1和2.31∶1.在肉牛饲养中,不提倡单一粗饲料饲喂,为实现营养均衡,建议2种或2种以上粗饲料合理塔配饲喂.
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