【摘 要】
：
本试验旨在筛选出抑菌效果最佳的植物精油并通过动物饲养实验研究该植物精油对断奶仔猪生长性能,血液生化指标的影响,为开发绿色饲料添加剂建立工作基础和提供理论依据.试验通过微量肉汤稀释法和刃天青指示剂测定肉桂油、牛至油、百里香油、茶树油的最小抑菌浓度(MIC),选出抑菌能力最强的植物精油,然后挑选16头体重相近,健康的21日龄"杜×长×大"三元杂交仔猪,分为2个处理组(对照组和肉桂油组),每个处理8个重
【机 构】
：
动物营养与饲料科学湖北省重点实验室,武汉轻工大学,武汉430023 湖南九鼎科技集团有限公司,长沙
【出 处】
：
中国畜牧兽医学会动物营养分会第七届中国猪营养学术研讨会
论文部分内容阅读
本试验旨在筛选出抑菌效果最佳的植物精油并通过动物饲养实验研究该植物精油对断奶仔猪生长性能,血液生化指标的影响,为开发绿色饲料添加剂建立工作基础和提供理论依据.试验通过微量肉汤稀释法和刃天青指示剂测定肉桂油、牛至油、百里香油、茶树油的最小抑菌浓度(MIC),选出抑菌能力最强的植物精油,然后挑选16头体重相近,健康的21日龄"杜×长×大"三元杂交仔猪,分为2个处理组(对照组和肉桂油组),每个处理8个重复.对照组饲喂基础饲粮,肉桂油组饲喂含50 mg/kg肉桂油的基础饲粮.试验期为21d,于试验第21d,前腔静脉采血,分离血浆.采完血之后屠宰,取肝脏组织待测.(结果)结果表明：肉桂油对大肠杆菌和沙门氏菌的抑菌能力最强(MIC为800 μL/L).与对照组相比,添加50 mg/kg肉桂油能显著提高仔猪血液的总蛋白(P＜0.05)和白蛋白(P＜0.05)水平,红细胞比容提高了11.74％ (P=0.082),谷胱甘肽过氧化物酶的活力提高了13.66％ (P=0.085).由此可见：肉桂油有较强的抑菌能力,在饲粮中添加50 mg/kg的肉桂油可在一定程度上改善断奶仔猪营养状况,并有提高仔猪抗氧化能力的趋势.
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