한국동물생명공학회지 (Journal of Animal Reproduction and Biotechnology)

  • 제36권1호
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  • Pages.45-50
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  • 2021
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  • 2671-4639(pISSN)
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  • 2671-4663(eISSN)
한국동물생명공학회 (The Korean Society of Animal Reproduction and Biotechnology)
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Differences in ruminal temperature between pregnant and non-pregnant Korean cattle

  • Kim, Dae Hyun (Livestock Research Institute) ;
  • Ha, Jae Jung (Livestock Research Institute) ;
  • Yi, Jun Koo (Livestock Research Institute) ;
  • Kim, Byung Ki (Livestock Research Institute) ;
  • Kwon, Woo-Sung (Department of Animal Science and Biotechnology, Kyungpook National University) ;
  • Ye, Bong-Hae (Division of Livestock Policy, Province of Gyeongsangbuk-Do) ;
  • Kim, Seung Ho (Department of Biotechnology, College of Agriculture & Life Science, Hankyong National University) ;
  • Lee, Yoonseok (Department of Biotechnology, College of Agriculture & Life Science, Hankyong National University)
  • 투고 : 2021.01.17
  • 심사 : 2021.03.12
  • 발행 : 2021.03.31
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초록

In recent years, various methods of measuring body temperature have been developed using wireless biosensors to facilitate an early detection of pregnancy and parturition in cows. However, there are no studies on real-time monitoring of cattle body temperature throughout pregnancy. Therefore, we investigated the daily mean ruminal temperature in pregnant cows throughout pregnancy using a ruminal bio-capsule sensor and then evaluated the temperature variation between pregnant and non-pregnant cows. In pregnant cows, the mean and standard deviation of ruminal temperature was 38.86 ± 0.17℃. Ruminal temperature in pregnant cows slowly decreased until 180 to 190 days after artificial insemination and after that, the temperature increased dramatically until just before parturition. Furthermore, the means ruminal temperature was significantly different between pregnant and nonpregnant cows. The mean and standard deviation of ruminal temperature were as follows: 38.68 ± 0.01℃ from days 80 to 100, 38.78 ± 0.02℃ from days 145 to 165, 38.99 ± 0.45℃ from days 200 to 220, 39.14 ± 0.38℃ from days 250 to 270 before parturition. Therefore, our results could provide useful data for early detection of pregnancy and parturition in Korean cows.

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과제정보

This work was supported by the Gyeongbuk Provincial Government through the R&D vitalization project for agriculture, a project entitled "Development of a standard model of Gyeong-buk Hanwoo smart farm using real-time body temperature and its practical application".

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