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Change of Ruminoreticular Temperature and Body Activity before and after Parturition in Hanwoo (Bos taurus coreanae)

Daehyun Kim1, Jaejung Ha1, Woo-Sung Kwon2

  • 1Livestock Research Institute, 186 Daeryongsan-ro, Anjeong-Myeon, Yeongju 36052, Gyeongsangbuk-do, Korea.

Sensors (Basel, Switzerland)
|December 10, 2021
PubMed

How do body temperature and activity change before and after parturition in pregnant cows? Changes in body temperature such as ruminal, rectal, and vaginal temperature during the parturition have been reported, but there are no results of the simultaneous observation of body temperature and activity. The aim of this study was to simultaneously confirm changes in the ruminoreticular temperature and body activity before and after parturition using the ruminoreticular bio-capsule sensor every 1 h. The 55 pregnant cows were used for the experiment, the ruminoreticular bio-capsule sensor was inserted and stabilized, and the ruminoreticular temperature and body activity were measured. The ruminoreticular temperature was lower by 0.5° from -24 h to -3 h in parturition compared to 48 h before parturition and then recovered again after parturition. Body activity increased temporarily at the time of parturition and 12 h after parturition. Therefore, the ruminoreticular temperature and body activity before and after parturition was simultaneously confirmed in pregnant cows.

Keywords:
Hanwoobio-capsule sensorbody activityparturitionruminoreticular temperature

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