| aNDFom——评价中性洗涤纤维的新指标 |
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| 引用本文： | 金鹿,孙海洲,李胜利,桑丹,张崇志,张春华,任晓萍,珊丹,凌树礼.aNDFom——评价中性洗涤纤维的新指标[J].畜牧与饲料科学,2019,40(3):35-39. |
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| 作者姓名： | 金鹿 孙海洲 李胜利 桑丹 张崇志 张春华 任晓萍 珊丹 凌树礼 |
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| 作者单位： | [1]内蒙古自治区农牧业科学院动物营养与饲料研究所,内蒙古呼和浩特010031 |
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| 基金项目： | 国家绒毛用羊产业技术体系项目(CARS-40-12);国家糖料产业技术体系项目(CARS-17-10B);内蒙古农牧业科技创新基金项目(2018CXJJM04);内蒙古自治区“草原英才”工程产业创新创业人才团队项目。 |
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| 摘 要： | 旨在探究一种测定牧草中中性洗涤纤维含量(NDF)的新方法。选用内蒙古地区的单一牧草、混合牧草和青贮,以传统的范氏法(Van Soest)为对照(NDF方法),在牧草中NDF含量的测定过程中加入耐高温α-淀粉酶处理,并进行灰化步骤处理(a NDFom方法),研究比较利用2种不同方法测定牧草中NDF含量的差异。结果表明:不同牧草中NDF和aNDFom的含量无显著差异(P>0.05),但aNDFom的值均小于NDF的值,且每种牧草中的灰分含量均达到1%以上。由此可见,aNDFom(淀粉酶和硫酸钠处理无灰分报告的NDF值)准确度高,更适用于牧草中NDF含量的测定。
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| 关 键 词： | 牧草 中性洗涤纤维 aNDFom |
| 收稿时间： | 2019-01-23 |
aNDFom-a New Index for Evaluating Neutral Detergent Fibers |
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| JIN Lu,SUN Hai-zhou,LI Sheng-li,Sang dan,ZHANG Chong-zhi,ZHANG Chun-hua,REN Xiao-ping,Shandan,LING Shu-li.aNDFom-a New Index for Evaluating Neutral Detergent Fibers[J].Animal Husbandry and Feed Science,2019,40(3):35-39. |
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| Authors: | JIN Lu SUN Hai-zhou LI Sheng-li Sang dan ZHANG Chong-zhi ZHANG Chun-hua REN Xiao-ping Shandan LING Shu-li |
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| Institution: | [1]Institution of Animal Nutrition and Feed,Inner Mongolia Academy of Agricultural and Animal Husbandry Sciences,Hohhot 010031,China |
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| Abstract: | This study was conducted to explore a new method for determining the content of neutral detergent fiber (NDF) in forage.Single herbage,mixed herbage and silage in Inner Mongolia were selected as experimental materials,and the traditional Van Soest method was used as the control (NDF method).High temperature-resistant alpha-amylase was added during the determination process of NDF content in forage,and an additional ashing step (aNDFom method) was also included.The differences in NDF content of varied herbage samples determined by the two separate methods were statistically compared.The results showed that there was no significant difference in the contents of NDF and aNDFom among different forages (P>0.05),but the values of aNDFom were lower than those of NDF,and the content of ash in all of the tested forage samples was higher than 1%.In conclusion,it can be seen that aNDFom (NDF value reported by amylase and sodium sulfate for ash-free treatment) has higher accuracy and is more suitable for the determination of NDF content in forage. |
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| Keywords: | herbage neutral detergent fiber aNDFom |
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