Joongpan Weena, Tongsangiam Pongphon, Poochipakorn Chanoknun, Charoenchanikran Ponlakrit, Chanda Metha
Faculty of Veterinary Medicine, Rajamangala University of Technology Tawan-Ok, Chonburi, Thailand.
Veterinary Clinical Studies Program, Faculty of Veterinary Medicine, Kasetsart University Kamphaeng Saen Campus, Nakhon Pathom, Thailand.
J Appl Anim Welf Sci. 2023 Jan-Mar;26(1):52-67. doi: 10.1080/10888705.2021.1894147. Epub 2021 Mar 9.
Horses were provided full-time housing in unfamiliar vector-protected facilities during the African horse sickness (AHS) outbreak in Thailand. This study aimed to investigate the impact of this housing arrangement on the equine stress response. Nine healthy horses were housed in both a traditional barn and a vector-protected barn. Equine behavior and stress response data were collected in association with the housing environment and time of day. The mean behavioral score of horses housed in the vector-protected barn was lower at night than during the day. In addition, the horses' mean heart rate at night was lower than their heart rate during the day, irrespective of housing condition. Furthermore, although blood cortisol peaked at 6:00 AM and was lowest at 6:00 PM under both housing conditions, daily fluctuations in blood cortisol levels were correlated with changes in humidity and temperature in both environments. Finally, horses housed in the traditional barn exhibited earlier decreases in cortisol levels relative to the horses in the vector-protected barn. This result indicates that housing horses in vector-protected facilities may impose stress.
在泰国爆发非洲马瘟（AHS）期间，马匹被安置在陌生的防蚊设施中全天候饲养。本研究旨在调查这种饲养安排对马匹应激反应的影响。九匹健康的马分别被安置在传统马厩和防蚊马厩中。收集了与饲养环境和一天中的时间相关的马匹行为和应激反应数据。安置在防蚊马厩中的马匹夜间的平均行为得分低于白天。此外，无论饲养条件如何，马匹夜间的平均心率低于白天。此外，虽然在两种饲养条件下，血液皮质醇均在上午6:00达到峰值，在下午6:00最低，但两种环境下血液皮质醇水平的每日波动均与湿度和温度变化相关。最后，与安置在防蚊马厩中的马匹相比，安置在传统马厩中的马匹皮质醇水平下降得更早。这一结果表明，将马匹安置在防蚊设施中可能会造成应激。
