奶牛微生物发酵饲料组方及其配套翻料工艺的研究

doi:10.16431/j.cnki.1671-7236.2016.10.013

《中国畜牧兽医》 ›› 2016, Vol. 43 ›› Issue (10): 2598-2607.doi: 10.16431/j.cnki.1671-7236.2016.10.013

奶牛微生物发酵饲料组方及其配套翻料工艺的研究

郭鹏, 张立明, 张政, 张棋炜, 刘大程

内蒙古农业大学兽医学院, 农业部动物疾病临床诊疗技术重点实验室, 呼和浩特 010018

收稿日期:2016-03-22 出版日期:2016-10-20 发布日期:2016-10-28
通讯作者: 刘大程 E-mail:nmgldc@163.com
作者简介:郭鹏(1991-),女,北京人,硕士生,研究方向:反刍动物瘤胃微生态,E-mail:bjhrgp@163.com
基金资助:
国家自然科学基金项目（31260560）；现代农业（奶牛）产业技术体系建设专项（CARS-37）；内蒙古科技厅专利转化项目（20140185）；内蒙古农业大学科技成果转化项目（CGZH2013007）

Study on the Microbial Fermentation Feed Formula and Its Turning Process of Dairy Cows

GUO Peng, ZHANG Li-ming, ZHANG Zheng, ZHANG Qi-wei, LIU Da-cheng

Key Laboratory of Clinical Diagnosis and Treatment Technology in Animal Disease, Ministry of Agriculture, College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot 010018, China

Received:2016-03-22 Online:2016-10-20 Published:2016-10-28

摘要/Abstract

摘要：

本试验旨在研究8个不同奶牛微生物发酵饲料组方及翻料工艺对物料中酵母菌活菌数及3种营养活性物质含量的影响，确定优化配方的组成及其配套翻料工艺。试验以麸皮、米糠、棉粕、玉米粉等9种当地农副产品为发酵原料，以DPS软件混料试验方案设计8种不同组方，将酿酒酵母BC、XR4，枯草芽孢杆菌A15按2：2：1混合，分别接种于8个组方中进行固态发酵。通过测定物料中酵母菌活菌数及甘露聚糖、β-葡聚糖、多肽3种营养活性物质含量来筛选优化组方，在此基础上进行翻料工艺的研究，其中对照组不翻料，试验1组翻1次料，试验2组翻2次料，通过测定发酵料料温、酵母菌活菌数及3种营养活性物质含量确定最优工艺。结果显示：①组方8为优化配方，其组成为麸皮8.62%、醋糟5.85%、米糠20.89%、棉粕12.55%、玉米粉11.35%、玉米皮7.31%、玉米渣1.10%、糖渣25.36%、玉米胚芽粕5.35%、硫酸铵1.02%、磷酸二氢钾0.50%、硫酸镁0.10%。②组方8最佳翻料工艺为：料温达到35℃左右时进行第1次翻料，待料温达到42℃时进行第2次翻料。此工艺下物料的技术指标为：活菌数4×10⁵ CFU/g、甘露聚糖41.28 mg/100 mg、β-葡聚糖87.06 mg/100 mg、多肽10.32 μg/100 mg，其含量较对照组分别提高了100.00%、3.90%、4.89%、1.67%；较试验1组分别提高了33.33%、3.07%、3.31%、0.88%。

关键词: 微生物发酵饲料; 翻料工艺; 酵母菌活菌数; 营养活性物质

Abstract:

This experiment was conducted to study the effects of eight microbial fermentation feed formulas and the different turning processes on the yeast viable bacterial number and three kinds of nutritional active substance contents to determine the optimal formula and its turning process.Nine kinds of local agricultural products,such as wheat bran,rice bran,cottonseed meal and corn flour,were used as fermentation materials and eight different formulas were designed by mixture design of DPS.Saccharomyces cerevisiae BC,XR4 and Bacillus subtilis A15 were mixed by 2:2:1 and inoculated in the eight formulas to conduct solid state fermentation.The yeast viable bacterial number and the content of mannan,β-glucan and polypeptide were measured to screen the optimal formula.Basing on the optimal formula,the turning process experiment was conducted.There were three groups:Control group,experimental group 1 and 2.The control group was without turning process,while the feed in the experimental group 1 was turned once and the feed in the experimental group 2 was turned twice.The material temperature,yeast viable bacterial number and three kinds of nutritional active substance contents were measured to determine the optimal turning process.The results showed that:① Formula 8 was the optimized formula which consisted of 8.62% wheat bran,5.85% vinegar residue,20.89% rice bran,12.55% cottonseed meal,11.35% corn flour,7.31% corn bran,1.10% corn residue,25.36% sugar residue,5.35% corn germ meal,1.02% (NH₄)₂SO₄,0.50% KH₂PO₄ and 0.10% MgSO₄.② The best turning process of formula 8 was turning twice during the solid state fermentation.When the material temperature reached 35℃,the first turning was conducted and then when the temperature reached 42℃,the material would be turned again.After that the material continued fermenting until the end.Its optimal indexes were viable bacterial number was 4×10⁵ CFU/g,and the content of mannan,β-glucan and polypeptides were 41.28 mg/100 mg,87.06 mg/100 mg and 10.32 μg/100 mg,respectively.Its improved by 100.00%,3.90%,4.89% and 1.67% separately than the control group and improved by 33.33%,3.07%,3.31% and 0.88% comparing with the experimental group 1.

Key words: microbial fermentation feed; turning process; yeast viable bacterial number; nutritional active substance

中图分类号:

S816

郭鹏, 张立明, 张政, 张棋炜, 刘大程. 奶牛微生物发酵饲料组方及其配套翻料工艺的研究[J]. 《中国畜牧兽医》, 2016, 43(10): 2598-2607.

GUO Peng, ZHANG Li-ming, ZHANG Zheng, ZHANG Qi-wei, LIU Da-cheng. Study on the Microbial Fermentation Feed Formula and Its Turning Process of Dairy Cows[J]. , 2016, 43(10): 2598-2607.

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奶牛微生物发酵饲料组方及其配套翻料工艺的研究

Study on the Microbial Fermentation Feed Formula and Its Turning Process of Dairy Cows

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