| 奶牛日粮中不同水平酵母硒对表观消化率的影响 |
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| 引用本文： | 张丽娟,姚鹃,谭斌,许宗运.奶牛日粮中不同水平酵母硒对表观消化率的影响[J].中国畜牧兽医,2007,34(8):66-68. |
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| 作者姓名： | 张丽娟 姚鹃 谭斌 许宗运 |
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| 作者单位： | 1.新疆农业大学，乌鲁木齐 830052；2.安琪酵母股份公司，宜昌 443003；3.山西农业大学，太谷 030800 |
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| 摘 要： | 本试验选取8头体况、奶产量、泌乳天数相近的奶牛，采用4×4拉丁方设计分为4组分别添加4种不同的预混料：对照组不添加酵母硒而添加亚硒酸钠，Se含量为0.3 mg/kg日粮，处理组添加酵母硒，硒水平分别为0.3、0.45、0.6 mg/kg日粮，试验期全天收集牛粪，对常规营养成分进行测定。结果表明：与对照组相比，添加酵母硒0.45 mg/kg组可以提高奶牛对OM、NDF、ADF、纤维素（CEL）、半纤维素（HC）、钙、磷的表观消化率（P<0.01）和粗蛋白质的消化率（P<0.05）；和其他酵母硒处理组相比，0.45 mg/kg组的养分表观消化率也较高。
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| 关 键 词： | 酵母硒 添加量 表观消化率 |
| 文章编号： | 1671-7236（2007）08-0066-03 |
| 修稿时间： | 2007-01-25 |
Effects of Different Supplementary Concentration Se-yeast in Dairy Ration on Digestibility |
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| ZHANG Li-juan,YAO Juan,TAN Bin,XU Zhong-yun.Effects of Different Supplementary Concentration Se-yeast in Dairy Ration on Digestibility[J].China Animal Husbandry & Veterinary Medicine,2007,34(8):66-68. |
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| Authors: | ZHANG Li-juan YAO Juan TAN Bin XU Zhong-yun |
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| Institution: | 1.Xinjiang Agricultural University, Urumqi 830052, China; 2.Angel Yeast Co Ltd, Yichang 443000, China;3.Shanxi Agricultural University, Taigu 030800, China |
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| Abstract: | 8 cows were used in a 4×4 Latin squre design to study the effect of different supplementary concentration Se yeast on apparent digestibility. control:Na2SeO3, Se 0.3 mg/kg DM; Se yeast, the Se concentration were 0.3、0.45、0.6 mg/kg DM. The result is that: compare to control, 0.45 mg/kg DM could enhance the apparent digestibility of OM, NDF,ADF, HC,CEL, Ca, P（P<0.01）and CP（P<0.05）; compare to other treated groups, the cows with 0.45 mg/kg also had higher nutrient apparent digestibility. |
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| Keywords: | Se-yeast different supplementary concentration apparent digestibility |
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