| 标记法和全收集法测定牦牛十二指肠食糜流量的对比研究 |
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| 引用本文： | 吕秉林,杨志刚,蒲光福,乌云.标记法和全收集法测定牦牛十二指肠食糜流量的对比研究[J].中国牛业科学,2002,28(5):12-14. |
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| 作者姓名： | 吕秉林 杨志刚 蒲光福 乌云 |
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| 作者单位： | 青海省都兰县香日德镇检疫站,青海都兰,816101 |
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| 摘 要： | 将6头体重150kg的牦牛分为两组，一组安装瘤胃瘘管和十二指肠“T”型瘘管，一组安装十二指肠“桥”型瘘管。前者经瘤胃瘘管灌注标记物Cr-ETDA测定十二指肠食糜流量，后者直接由十二指肠收集食糜，同时测定十二指肠总氮、微生物氮、氨氮和非氨氮的流量。结果用标记法测定的十二指肠食糜流量、总氮、微生物氮、氨氮、非氨氮流量均比全回收法测定的结果高。
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| 关 键 词： | 测定 牦牛 十二指肠 标记法 全收集法 食糜流量 比较研究 氮流量 |
| 文章编号： | 1001-9111(2002)05-0012-03 |
| 修稿时间： | 2002年3月30日 |
Comparsion of Duodenal Digesta Flow Measurement Effect of Marker Method and Total Digesta Collection Method in Yak |
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| LU Bing-lin,YANG Zhi-gang,PU Guang-fu,WU Yun.Comparsion of Duodenal Digesta Flow Measurement Effect of Marker Method and Total Digesta Collection Method in Yak[J].China Cattle Science,2002,28(5):12-14. |
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| Authors: | LU Bing-lin YANG Zhi-gang PU Guang-fu WU Yun |
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| Abstract: | Six cannula Yak were divided into two groups, one with ruman cannula and duodenal T-Shape cannula and affused with marker of Cr-EDTA and another group with duodenal bridge-shape cannula were used to measure duodenal digesta, duodenal total nitrogen, microbial nitrogen, ammonia nitrogen and non-amino acid nitrogen, Results showed the measurement Value from the first method were all higher than that of second. |
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| Keywords: | Growing Yak Duodenum Marker method Total digesta collection Digesta Flow |
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