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Effect of aloe powder and extract on production performance and immune function of broiler chickens
Author(s): 
Pages: 614-617
Year: Issue:  6
Journal: JOURNAL OF FUJIAN AGRICULTURE AND FORESTRY UNIVERSITY(NATURAL SCIENCE EDITION)

Keyword:  芦荟粉芦荟提取物肉仔鸡生产性能免疫功能;
Abstract: 将360只1日龄雄性AA肉仔鸡随机分成6个组,每组设6个重复,每个重复10只.Ⅰ组为空白对照组,饲喂基础日粮,Ⅱ-Ⅵ组分别在基础日粮中添加600 mg·kg-1芦荟粉、600 mg·kg-1芦荟水提取物、600 mg·kg-1芦荟醇提取物、600mg·kg-1芦荟水提取物+600 mg·kg-1芦荟醇提取物和150 mg·kg-1金霉素.结果表明:Ⅲ组3、6周鸡的体增重均显著高于Ⅰ组(P<0.05);Ⅲ-Ⅳ组的料肉比与Ⅰ组比较均极显著降低(P<0.01),Ⅲ组与Ⅵ组比较显著降低(P<0.05);Ⅱ-Ⅴ组3周鸡的脾脏指数与Ⅰ组相比,差异均显著提高(P<0.05);Ⅲ组3周鸡的胸腺指数显著高于Ⅰ组(P<0.05);Ⅱ-Ⅴ组3周鸡的自然杀伤细胞的杀伤活性均极显著高于Ⅰ组(P<0.01),Ⅱ-Ⅴ组6周鸡均极显著高于Ⅰ、Ⅵ组(P<0.01).可见芦荟粉、水提取物、醇提取物和提取物混合组均能提高肉仔鸡的生产性能和免疫功能,其中水提取物组的效果最佳.
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