Study on Three Processing Methods of Different Corn Varieties

doi:10.11733/j.issn.1007-0435.2010.01.013

›› 2010, Vol. 18 ›› Issue (1): 67-72.DOI: 10.11733/j.issn.1007-0435.2010.01.013

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Study on Three Processing Methods of Different Corn Varieties

XU Qing-fang¹, ZHANG Xiang¹, DONG Kuai-hu¹, YUE Wen-bin¹, Yu ZHu², SUN Qi-zhong³, LIU Jian-ning⁴

1. College of Animal Science and Veterinary Medicine, Shanxi Agricultural University, Taigu, Shanxi Province 030801, China;
2. College of Animal Science and Technology, China Agricultural University, Beijing 100093, China;
3. Grassland Research Institute, Chinese Academy of Agricultural Sciences, Huhhot, Inner Mongolia Autonomous Region 010010, China;
4. Animal Husbandry and Veterinary Institute, Shanxi Academy of Agricultural Sciences, Taiyuan, Shanxi Province 030032, China

Received:2009-07-03 Revised:2009-12-15 Online:2010-02-15 Published:2010-02-15

不同品种玉米植株3种调制方法效果比较

许庆方¹, 张翔¹, 董宽虎¹, 岳文斌¹, 玉柱², 孙启忠³, 刘建宁⁴

1. 山西农业大学动物科技学院, 山西, 太谷, 030801;
2. 中国农业大学动物科学院, 北京, 100093;
3. 中国农业科学院草原研究所, 内蒙古, 呼和浩特, 010010;
4. 山西省农科院畜牧兽医研究所, 山西, 太原, 030032

作者简介:许庆方(1972- ),男,山西壶关人,博士,副教授,主要从事牧草栽培与加工利用的研究,E-mail:xqfsx@sohu.com
基金资助:
十一五国家科技支撑计划课题(2006BAD16B03-09);十一五国家科技支撑计划课题(2007BAD56B02);农业部公益性行业(农业)科研专项课题(nyhyzx07-022);山西农业大学博士后基金资助

Abstract

Abstract: The effects of variety and processing method on feeding values of corn(Zea mays L.) were studied.The corn varieties of Zhongyuandan32,Nongda86,Nongda95,Nongda108,and NongdaGaoyou115 were harvested at dough stage and then processed for 45 d as whole-crop silage,stover only silage,or stover stack,respectively.The analytic results of samples indicate that the pH of the whole-crop corn silage was significantly lower than that of stover silage(P<0.05),and the lactic acid content was significantly higher(except for Nongda 86)(P<0.05).The CP content of the whole-crop corn silage was significantly higher than that of stover silage(P<0.05),and the NDF and ADF contents were lower.This inferred that the fermentative quality and nutrient contents of whole-crop corn silage were better than those of stover silage.The CP content of stover stack varied among varieties,and the NDF and ADF contents of stover stack were higher than those of silages.This inferred the lower nutrient quality of stover stack.The CP content of whole-crop corn silage of Zhongyuandan32 were significantly higher than that of others(P<0.05),and the fiber content of which was moderate.In general,the whole-crop corn silage had better feeding values and the Zhongyuandan32 performed better than others.

Key words: Corn, Variety, Silage, Stover, Quality

摘要： 为探讨品种和调制方法对玉米(Zea mays L.)植株品质的影响,选用中原单32、农大86、农大95、农大108、农大高油115为研究对象,于蜡熟期取样进行全株青贮、去穗秸秆青贮、秸秆干燥堆放处理。经贮存45d后,取样分析表明,各品种全株玉米青贮饲料的pH显著低于去穗玉米秸秆青贮饲料(P<0.05),而相应乳酸含量则显著较高(除品种农大86以外)(P<0.05),全株玉米青贮饲料的CP含量显著高于去穗玉米秸秆青贮饲料(P<0.05),NDF和ADF含量则相应较低,表明全株玉米青贮饲料的发酵品质和营养价值优于去穗玉米秸秆青贮饲料;干燥堆放玉米秸秆的CP含量因品种而有差异,其NDF和ADF含量都高于相应青贮饲料,表明干燥堆放秸秆的营养价值较低。中原单32全株玉米青贮饲料的CP含量显著高于其他品种(P<0.05),并且含有适度的NDF和ADF。总体而言,玉米植株以全株青贮为宜,而且全株青贮时,中原单32品质优于其它品种。

关键词: 玉米, 品种, 青贮, 秸秆, 品质

CLC Number:

S325

XU Qing-fang, ZHANG Xiang, DONG Kuai-hu, YUE Wen-bin, Yu ZHu, SUN Qi-zhong, LIU Jian-ning. Study on Three Processing Methods of Different Corn Varieties[J]. , 2010, 18(1): 67-72.

许庆方, 张翔, 董宽虎, 岳文斌, 玉柱, 孙启忠, 刘建宁. 不同品种玉米植株3种调制方法效果比较[J]. , 2010, 18(1): 67-72.

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Study on Three Processing Methods of Different Corn Varieties

不同品种玉米植株3种调制方法效果比较

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