37℃持续热应激对肉鸡动脉压的影响  

Effects of 37 ℃ constant heat stress on artery pressure in broiler chickens

作　　者：李静[1] 乔健[1] 高铭宇[1] 范春艳[1] 欧德渊[1] 利凯[1] 刘文菊[1] 

机构地区：[1]中国农业大学动物医学院

出　　处：《畜牧与兽医》2006年第11期4-6,共3页Animal Husbandry & Veterinary Medicine

基　　金：国家自然科学基金资助项目(30371063;30070567)

摘　　要：80羽25日龄商品代雄性AA肉鸡随机分为对照组（21℃-24℃，相对湿度50％±5％）和试验组（37℃±0．5℃，相对湿度70％±5％），动态监测各组肉鸡的股动脉压（FAP）和生产性能等指标。热暴露使肉鸡平均股动脉压、股动脉收缩压和股动脉舒张压极显著下降（P〈0.01）；平均股动脉压与呼吸频率、体温呈极显著负相关（P〈0．01）。结果表明，37℃持续热应激使肉鸡的股动脉压极显著下降，股动脉压的变化与肉鸡对热暴露的反应和适应过程密切相关。The aim of this paper is to investigate the effects of 37 ℃ constant heat stress on artery pressure of broiler chickens. Eighty 25- day-old male AA broilers were divided randomly into the control group （C, 21 ℃ -24 ℃, 50% -5% relative humidity） and thermostress group （T, 37 ℃ -0. 5 ℃, 70%- 5% relative humidity）, and the femoral artery pressure （FAP） and production performance in different groups were examined continuously. The mean femoral artery pressure （mFAP）, femoral artery systolic pressure and femoral artery diastolic pressure of the birds in the T group were decreased significantly （P 〈0.01 ） 1, 3, 5, 7, 9 and 12 days after thermostress. The mFAP had significantly negative correlation with respiration rate and rectal temperature （P 〈0. 01 ）. The results showed that 37 ℃ constant heat stress induced artery hypotension of broiler chickens, and the change of FAP was closely related to the response and adaptation of chickens to thermostress.

关 键 词：肉鸡 热应激 股动脉压 生产性能 

分 类 号：S831.4[农业科学—畜牧学]