| 小麦-玉米-豆粕型日粮中木聚糖体外酶解的研究 |
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| 引用本文： | 刘丽芳,;朱海,;王世琼,;乔家运,;王志祥.小麦-玉米-豆粕型日粮中木聚糖体外酶解的研究[J].江西农业学报,2014(9):98-102. |
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| 作者姓名： | 刘丽芳 ;朱海 ;王世琼 ;乔家运 ;王志祥 |
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| 作者单位： | [1]河南农业大学,河南郑州450002; [2]天津市畜牧研究所,天津300381 |
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| 基金项目： | 河南省重大科技专项“生猪健康养殖与猪肉安全保障技术研究与示范”（111100110300）; 国家科技支撑计划项目“新型饲料用酶制剂创制与应用”（2013BAD10B01） |
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| 摘 要： | 采用体外模拟仔猪胃肠道环境的方法,用不同比例(0%~100%)的小麦替代玉米-豆粕(65∶25)型日粮中的玉米,并添加不同水平(0~10000 U/kg)的木聚糖酶,研究了小麦-玉米-豆粕型日粮中木聚糖的体外酶解。结果表明:在3种饲料原料中,小麦可溶性木聚糖含量最高,豆粕次之,玉米最低;随着日粮组合中小麦替代玉米比例的增加,日粮中可溶性木聚糖含量和总木聚糖含量均逐渐增加;各日粮组合中适宜的木聚糖酶添加水平均为6000 U/kg;以1/4玉米-3/4小麦-豆粕日粮组合较佳。
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| 关 键 词： | 木聚糖 木聚糖酶 体外酶解 小麦 玉米 猪 |
Study on in- vitro Enzymolysis of Xylan in Wheat- Corn- Soybean Meal Diet |
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| Institution: | LIU Li - fang , ZHU Hai , WANG Shi - qiong , QIAO Jia - yun, WANG Zhi - xiang (1. Henan Agricultural University, Zhengzhou 450002, China; 2. Tianjin Institute of Animal Science, Tianjin 300351, China) |
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| Abstract: | By using the method of simulating the gastrointestinal environment of piglets in vitro,replacing the corn in corn-soybean meal（ 65∶ 25） diet with different proportions（ 0% - 100%） of wheat,and adding various levels（ 0 - 10000 U /kg） of xylanase into the mixed diet,the author studied the in- vitro enzymolysis of xylan in wheat- corn- soybean meal diet. The results indicated that： among 3 kinds of feedstuff,wheat contained the most soluble xylan,followed by soybean meal,and corn contained the least one; when the proportion of wheat for replacing corn in the mixed diet increased,the soluble xylan content and total xylan content in the diet all increased gradually; the suitable adding level of xylanase into various mixed diets all was 6000 U /kg; the effect of 1 /4 corn- 3 /4 wheat- soybean meal was better. |
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| Keywords: | Xylan Xylanase In-vitro enzymolysis Wheat Corn Piglet |
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