| 不同蛋白质组成的日粮对瘤胃发酵及微生物蛋白合成的影响 |
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| 引用本文： | 夏楠,赵国琦. 不同蛋白质组成的日粮对瘤胃发酵及微生物蛋白合成的影响[J]. 中国畜牧兽医, 2009, 36(7): 11-14 |
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| 作者姓名： | 夏楠 赵国琦 |
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| 作者单位： | （扬州大学动物科学与技术学院， 扬州 225009） |
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| 摘 要： | 本试验选用4只体况良好、体重(30.0±2.5) kg的山羊, 安装瘤胃瘘管,按4×4拉丁方试验设计，研究4种不同蛋白质豆粕（A组）、棉粕（B组）、菜粕（C组）和DDGS（D组）组成的日粮对山羊瘤胃发酵及微生物蛋白合成的影响。研究结果表明，各组瘤胃液pH无显著差异（P>0.05）；A组的氨氮（NH3-N）浓度显著高于D组（P<0.05）；A组的微生物蛋白（MCP）浓度显著高于B、C组（P<0.05），极显著高于D组（P<0.01）；各组乙酸、丙酸、丁酸浓度差异显著，总VFA浓度A、B组显著高于C、D组（P<0.05）
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| 关 键 词： | 山羊 蛋白质 瘤胃发酵 微生物蛋白 |
Effect of Different Protein Dietary on Goat Rumen Fermentation and the Synthesis of Microprotein |
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| XIA Nan,ZHAO Guo-qi. Effect of Different Protein Dietary on Goat Rumen Fermentation and the Synthesis of Microprotein[J]. China Animal Husbandry & Veterinary Medicine, 2009, 36(7): 11-14 |
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| Authors: | XIA Nan ZHAO Guo-qi |
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| Affiliation: | (College of Animal Science and Technology, Yangzhou University, Yangzhou 225009， China) |
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| Abstract: | The objective of this experiment was to research the effects of four different protein dietary A, B, C and D, which were soybean meal, cottonseed meal, rapeseed meal and DDGS respectively on rumen fermentation and the synthesis of microprotein. Treatments were arranged as a 4×4 Latin square design, and four goats (30±2.5) kg fitted with permanent ruminal cannulaes. The results indicated that there was not significant difference among four groups on rumen pH (P>0.05); the NH3-N concentration of group A was higher significantly than that of group D (P<0.05). There was significant difference among four groups on the yield of MCP, the yield of group A is highest, it is higher significantly than that of groups B and C (P<0.05), and higher significantly than that of group D (P<0.01). There was significant difference among four groups on acetic acid, propionate acid, butyric acid concentration, and total VFA concentration of groups A and B were higher than groups C and D (P<0.05). |
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| Keywords: | goat protein rumen fermentation microprotein |
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