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Position: Home > Articles > Evaluation of Rumen Protected Leucine Availability in the Products Animal Husbandry and Feed Science 2009,30 (3) 54-55

过瘤胃包被亮氨酸的稳定性检验研究

作者：

Dan San

单位：

Institute of Animal Nutrition,Inner Mongolia Academy of Agriculture and Animal Husbandry,Hohhot 010030,China

关键词：

rumen;duodenum;protected;leucine;rpleu;releas

摘要：

采用体外法和半体内法检验过瘤胃保护亮氨酸在绒山羊消化道中的稳定性以及可消化性。将包被亮氨酸(RPLeu)在人工唾液、瘤胃液及十二指肠液中分别培养2,4,8,12,16和24h后测定其释放率。试验结果表明,包被亮氨酸的释放率随培养时间的延长而呈升高趋势;经过8h培养后,在人工唾液、瘤胃液和十二指肠液中RPLeu的释放率分别为10.63%、25.82%和85.27%。由此表明,RPLeu在人工唾液和瘤胃液中有较好的稳定性,在十二指肠液中具有较好的可消化性。

译名：

Evaluation of Rumen Protected Leucine Availability in the Products

作者：

GUO Jun-qing1,SUN Hai-zhou2,SANG Dan1(1.College of Animal Science and Medicine,Inner Mongolia Agricultural University,Hohhot 010018,China;2.Institute of Animal Nutrition,Inner Mongolia Academy of Agriculture and Animal Husbandry,Hohhot 010030,China)

关键词：

rumen protected amino acid;Leucine;stability

摘要：

In vitro and in Sacco techniques were used to identify the stability of the rumen-protected Leucine(RPLeu)in the artificial saliva and rumen of the Inner Mongolia White Cashmere Goats(IMWCG),and its digestibility in the duodenum.The coated amino acids were incubated for 2,4,8,12,16 and 24h in the artificial saliva、 rumen and duodenum.Results showed that:Release rate of the RPLeu was improved with the cluture time;Release rate of the RPLeu in saliva 、rumen and duodenum were10.63%、25.82% and 85.27% after 8 hour.It showed that the rumen-protected Leucine had a good stability in saliva and rumen,and it had a good digestibility in the duodenum.

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过瘤胃包被亮氨酸的稳定性检验研究

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