夏季牛舍内微环境对上海地区犊牛生长性能的影响  

The Effect of Microenvironment in Summer on Holstein Calves in Shanghai

作　　者：谈晨[1] 薛俊欣 张峥臻 易洪琴 张克春[1,2] 徐国忠 范占炼 朱庆华 

机构地区：[1]南京农业大学动物医学院,江苏南京210095 [2]上海市奶牛研究所,上海200436 [3]上海庆华奶牛场,上海201300

出　　处：《乳业科学与技术》2010年第6期287-290,共4页JOURNAL OF DAIRY SCIENCE AND TECHNOLOGY

基　　金：上海科委上海市农业星火富民科技工程项目"规模化奶牛场高效生态养殖技术体系建立与示范"项目资助(项目编号:09dz1913500)

摘　　要：研究了夏季10日龄及断奶后上海地区荷斯坦犊牛所处微环境对其生长率和发病率的影响。试验结果表明:上海地区夏季牛舍内外THI指数无显著差异(P>0.05);以木屑断作为奶后犊牛牛床垫料会使牛床垫料内细菌数明显升高(P<0.05),空气湿度的升高会引起垫料中微生物的生长繁殖;断奶后犊牛的日增重显著高于未断奶犊牛(P<0.05),未断奶犊牛平均日增重随温湿度变化波动较大,热应激对未断奶犊牛的平均日增重影响较大。This study researched the influence of the microenvironment on 10-day and weaned Holstein calves＇ growth rate and morbidity.The results indicated that there was no difference on the THI index in and out of house（P0.05）.There was higher bacterium number in sawdust（P0.05）.The growth rate of weaned calves was significantly higher than that of 10-day calves（P0.05）.The THI index taked more influence on the mean weight grain waves on the 10-day calves.

关 键 词：犊牛 微环境 生长率 发病率 

分 类 号：S823[农业科学—畜牧学]