지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.12
- 수록면
- 669 - 678 (10page)
- DOI
- 10.15531/ksccr.2020.11.6.669
이용수
초록· 키워드
오류제보하기
Relative humidity (RH%) data are inaccessible in the majority of cattle farms; however, such data often are available at local meteorological stations. Thus, this study purposed use of dry bulb temperature (DBT℃) data from a cattle barn and RH% data of Korea Meteorological Administration (KMA) for calculation of temperature-humidity index (THI). The scope of research was analysis of three cattle barns, categorized as barn 1 (sidewalls-closed and adjustable with windows, 1,071 ㎡), barn 2 (sidewalls-opened and adjustable with winch curtain, 1,067 ㎡), and barn 3 (sidewalls half opened, 544 ㎡) located at a livestock research farm at Kangwon National University. The microclimate data of the barns were recorded by Hobo loggers and compared with KMA data from June to September 2019. Comparison of maximum DBTºC between KMA and the barns showed no difference in the study period. On the other hand, minimum RH% at KMA was lower than those of barn1 and barn3 in June and September, and minimum RH% at KMA was lower than that of barn1 in August (p < 0.05). The maximum THI based on KMA data was not different from that based on barns data. Moreover, the maximum THI based on KMA data was not different from that of modified THI (combination of maximum DBT℃ of barns and minimum RH% of KMA). Furthermore, maximum THI based on barns data was not different from modified THI of barns. The THI calculation in barns was correlated with KMA data. Overall, microclimate information from KMA can be used as effective barn microclimate data for THI calculation. We recommend using RH% data provided by KMA in the absence of microclimatic RH% data from a cattle barn as an effective way of regulating THI inside the cattle farm.
목차
ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
References
참고문헌 (39)
참고문헌 신청
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Ataallahi M / 2019 / Effects of environmental changes during different seasons on hair cortisol concentration as a biomarker of chronic stress in Korean native cattle / Int J Agric Biol 21(6):1166~1172
A. Berman / 2016 / A comparison of THI indices leads to a sensible heat-based heat stress index for shaded cattle that aligns temperature and humidity stress / International Journal of Biometeorology 60(10):1453~1462
Berman A / 1985 / Upper critical temperatures and forced ventilation effects for high-yielding dairy cows in a subtropical climate / J Dairy Sci 68(6):1488~1495
Bernabucci, U / 2019 / Climate change: impact on livestock and how can we adapt / Anim Front 9(1):3~5
Ataallahi M / 2019 / Effects of environmental changes during different seasons on hair cortisol concentration as a biomarker of chronic stress in Korean native cattle / Int J Agric Biol 21(6):1166~1172
A. Berman / 2016 / A comparison of THI indices leads to a sensible heat-based heat stress index for shaded cattle that aligns temperature and humidity stress / International Journal of Biometeorology 60(10):1453~1462
Berman A / 1985 / Upper critical temperatures and forced ventilation effects for high-yielding dairy cows in a subtropical climate / J Dairy Sci 68(6):1488~1495
Bernabucci, U / 2019 / Climate change: impact on livestock and how can we adapt / Anim Front 9(1):3~5
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