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同步降解精饲料对奶牛生产性能的影响 被引量:3

Effect of concentrate with synchronized degradation rate on the performance of dairy cows
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摘要 采用 3头大口径瘤胃瘘管黄牛测定豆粕、血粉、小麦和玉米 4种蛋白质和碳水化合物单一饲料瘤胃消失率和这些饲料配制的同步降解精饲料对奶牛生产性能的影响。结果表明 ,仅豆粕和玉米瘤胃消失率曲线十分接近 ,在瘤胃内培养 0~ 16h ,瘤胃降解速率达到同步化 ,降解率在 16h达到高峰。由豆粕和玉米组成的同步降解精饲料能够提高奶牛日产奶量和精饲料效率 ,主要原因可能是同步降解精饲料的有效蛋白质降解率高。再在同步降解精饲料中添加适量血粉 (过瘤胃蛋白质 )效果更好。
出处 《山东农业科学》 2002年第3期37-39,共3页 Shandong Agricultural Sciences
基金 山东省科技厅资助项目"提高瘤胃微生物对低品质秸秆的利用的研究开发"的部分内容
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参考文献2

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同被引文献27

  • 1谭支良,周传社,M.A.Shah,M.R.Murphy.体外法研究日粮不同来源氮和碳水化合物比例对干物质体外降解率的影响[J].动物营养学报,2004,16(4):18-24. 被引量:8
  • 2汪水平,王文娟,王加启,谭支良,龚月生.日粮精粗比对奶牛瘤胃发酵及泌乳性能的影响[J].西北农林科技大学学报(自然科学版),2007,35(6):44-50. 被引量:54
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