Asian-Australasian Journal of Animal Sciences

  • 제31권11호
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  • Pages.1828-1832
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  • 2018
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  • 1011-2367(pISSN)
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  • 1976-5517(eISSN)
아세아태평양축산학회 (Asian Australasian Association of Animal Production Societies)
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The change of sleeping and lying posture of Japanese black cows after moving into new environment

  • 투고 : 2018.01.10
  • 심사 : 2018.04.24
  • 발행 : 2018.11.01
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초록

Objective: Environmental change is one of the stressful events in livestock production. Change in environment disturbs cow behavior and cows require several days to regain a stable behavioral pattern. Sleeping posture (SP) and lying posture (LP) have been used as indicators for animal that are relaxed and well-acclimated to their environment. The aim of this study was to examine the time required by Japanese black cows for stabilization of SP and LP after moving into new environment. Methods: Seven pregnant Japanese black cows were used. Cows were moved into new tie-stall shed and their sleeping and lying posture measured 17 times during 35 experimental days. Both SP and LP were detected by accelerometer fixed on middle occipital and hip-cross, respectively. Daily total time, frequency, and average bout of both SP and LP were calculated. Results: Daily SP time was the shortest on day 1 and increased to the highest on day 3. It then decreased until day 9, after that stabilized about 65 min/d till the end of experiment. Daily LP time changed in same manner as daily SP time. The average SP bout was the longest on day 1, and then decreased to stable level on day 7. On the other hand, the average LP bout was the shortest on day 1, and it increased to stable level on day 7. Conclusion: These results showed that pregnant Japanese black cows needed 1 week to stabilize their SP. However, there were different change patterns between the average SP and LP bout, even though the change pattern of daily SP and LP time were similar.

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참고문헌

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피인용 문헌

  1. Sleep and lying behavior of milking Holstein cows at commercial tie‐stall dairy farms vol.90, pp.9, 2018, https://doi.org/10.1111/asj.13265
  2. The influence of concentrate‐rich diet on daily sleep and lying postures of Japanese black cows vol.91, pp.1, 2018, https://doi.org/10.1111/asj.13356
  3. Heart Rate and Heart Rate Variability Change with Sleep Stage in Dairy Cows vol.11, pp.7, 2021, https://doi.org/10.3390/ani11072095
  4. Daytime Grazing in Mountainous Areas Increases Unsaturated Fatty Acids and Decreases Cortisol in the Milk of Holstein Dairy Cows vol.11, pp.11, 2018, https://doi.org/10.3390/ani11113122