| 日粮类型对绵羊小肠内代谢性蛋白质的影响 |
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| 引用本文： | 赵国琦,陈小连,贾亚红,丁健,孙龙生,刘大林,中島芳也. 日粮类型对绵羊小肠内代谢性蛋白质的影响[J]. 扬州大学学报(农业与生命科学版), 2003, 24(4): 36-40 |
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| 作者姓名： | 赵国琦 陈小连 贾亚红 丁健 孙龙生 刘大林 中島芳也 |
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| 作者单位： | 扬州大学,畜牧兽医学院,动物科学系,江苏,扬州,225009;岩手大学,大学院,动物营养科学研究室,日本,盛冈,020-8550 |
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| 基金项目： | 国家自然科学基金资助项目(30270962) |
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| 摘 要： | 以成年萨福克绵羊为试验对象,分别安装瘤胃瘘管、十二指肠近端T型瘘管和回肠远端T型瘘管,饲喂由鸭茅干草和配合饲料组成的不同瘤胃内可降解有机物/瘤胃内可降解粗蛋白质(OMR/CPR)比例的日粮,研究小肠可代谢性饲料蛋白质(MP)的变化规律.结果表明随着OMR/CPR的提高,小肠内微生物氮的消化量显著降低,而过瘤胃饲料蛋白质氮显著增加;表观MP量随着OMR/CPR的增加呈先增加后减少的变化趋势,表观MP量占CP、DCP摄取量分别为42.2%～59.6%、63.6%～87.8%.
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| 关 键 词： | 绵羊 代谢性饲料蛋白质 细菌 纤毛虫 |
| 文章编号： | 1671-4652(2003)04-0036-05 |
| 修稿时间： | 2003-06-12 |
EFFECT OF DIET ON METHBOLIZABLE PROTEIN IN SMALL INTESTINE |
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| ZHAO Guo-qi,CHEN Xiao-lian,JIA Ya-hong,DING Jian,SUN Long-sheng,LIU Da-lin,NAKASHIMA Yosiya. EFFECT OF DIET ON METHBOLIZABLE PROTEIN IN SMALL INTESTINE[J]. Journal of Yangzhou University(Agricultural and Life Science Edition), 2003, 24(4): 36-40 |
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| Authors: | ZHAO Guo-qi CHEN Xiao-lian JIA Ya-hong DING Jian SUN Long-sheng LIU Da-lin NAKASHIMA Yosiya |
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| Abstract: | Four Suffolk sheep fitted with rumen fistulae, proximal duodennum and distal ileum fistulae were used to determine the utilization rate of rnetabolizable feed protein in small intestine with different OMR/CPR(rumen rnetabolizable organism/rumen crude protein). The results showed that with the increase of OMR/CPR) the digestion of micro-bial-N in the intestine decreased and the amount of digested diet bypass-protein-N from rumen increased significantly. Apparent MP increased at the beganning then decreased. Percentage of apparent MP amount of rnetabolizable protein to intake of crude protein and digestible crude protein were 42. 2%-59. 6% and 63. 6%-87. 8% , respectively. |
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| Keywords: | sheep metabolizable protein bacteria protozoa |
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