摘要
试验选用相同品种和体重的 4头育成猪 ,在适宜的环境中饲养一周后 ,将其中 2头猪置于湿热环境中 ,应用 DSI动物生理参数无线遥测系统研究了猪的体温节律性 .结果表明 :湿热环境下猪的体温和心率昼夜节律发生了明显变化 ,猪的体温最高并非出现在 16 :0 0~ 17:0 0 ,而是出现在 2 2 :0 0~ 2 3:0 0 ,且 2 4 h内体温差达 1.17℃ ;而猪的心率在 2 4 h内无昼夜差异 。
4 growing pigs with same weight and breed used were housed individually at thermoneutral environment. One week later, two of these pigs were reared individually in humid and warm environment and the effects of such environment on the rhythm of core body temperature and heart rate of pigs were studied using DSI telemetry system. Results showed that the rhythm of core body temperature and heart rate of growing pigs under humid and warm environment varied significantly: the peak of core body temperature appeared at 22:00-23:00, but not at 16:00-17:00. And the rhythm of heart rate of pigs housed in humid and warm environment showed no hourly difference, and higher heart rate was sustained in these pigs.
出处
《浙江大学学报(农业与生命科学版)》
CAS
CSCD
北大核心
2004年第6期635-639,共5页
Journal of Zhejiang University:Agriculture and Life Sciences
基金
Cooperation project between China and Belgium.Cooperation project between China and Belgium
关键词
节律
体温
心率
行为
湿热环境
育成猪
rhythm
core body temperature
heart rate
activity
humid and warm environment
growing pigs