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奶牛舍空气环境状况与乳腺炎发病率的关系研究 被引量:7

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摘要 对奶牛舍空气环境因素进行为期1年的检测,结合相应时期舍内奶牛乳腺炎发病状况,确定了奶牛舍空气环境因素与乳腺炎发病率的相关回归关系。结果表明:奶牛乳腺炎发病率与温度、湿度、氨气浓度、二氧化碳浓度和粉尘数量等各空气环境因素的表型相关系数分别为0.913,-0.397,0.311,-0.297和0.702,其中与温度有极显著的正相关(P<0.01),与粉尘数量有显著的正相关(0.01<P<0.05),其余因素未达到显著水平(P>0.05),温度和粉尘数量是影响奶牛乳腺炎发病率的重要因素。由奶牛舍空气环境因素与奶牛乳腺炎发病率建立的回归方程可为工作中预测、预防乳腺炎提供理论指导。
出处 《畜牧与兽医》 北大核心 2009年第7期69-71,共3页 Animal Husbandry & Veterinary Medicine
基金 河北省自然科学基金资助项目[311077]
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