搜索结果: 1-1 共查到“农学 posture”相关记录1条 . 查询时间(0.046 秒)
Predicting Parturition Time through Ultrasonic Measurement of Posture Changing Rate in Crated Landrace Sows
Sows Parturition Ultrasound Postures Basic Parturition Threshold Value (BPTV)
2016/4/25
This study presents an automatic system to predict parturition time in the crated sows. The system relies on ultrasonic transducers mounted from above along the length of the crate. Using a 40 kHz tim...