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.
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초록· 키워드
오류제보하기
Thermal stress of pigs causes decreased feed consumption and weight gain rate, immunosuppression, reproductive disorders, and increased mortality. The concept of the temperature-humidity index (THI) has been widely used to evaluate the degree of thermal stress of pigs. However, use of this concept is strongly restricted for animals living in the enclosed facilities. In this study, Building Energy Simulation (BES) technique was used to realize the energy flow among outside weather conditions, building materials, and animals. Especially, mechanisms of sensible and latent heat generation from pigs according to surrounding air temperature and their weight were designed to accurately evaluate the THI values inside the pig house. The THI values computed by the BES model were compared to those calculated by method of the report (NIAS, 2016), the model of this study predicted the start date of heat stress about 9∼76 days earlier compared to the NIAS model. Results of the BES model also showed higher frequencies of the THI above the THI threshold for pigs, indicating that conventional model has a possibility of underestimating the degree of heat stress of pigs.
목차
등록된 정보가 없습니다.
참고문헌 (24)
참고문헌 신청
Ervin Alvarez- Sánchez / 2014 / Evaluation of thermal behavior for an asymmetric greenhouse by means of dynamic simulations / DYNA 81(188):152~159
Collin, A / 2001 / Effect of high temperature on feeding behaviour and heat production in group-housed young pigs / British Journal of Nutrition 86:63~70
S. Dikmen / 2009 / Is the temperature-humidity index the best indicator of heat stress in lactating dairy cows in a subtropical environment? / Journal of Dairy Science 92(1):109~116
Ferrari, S / 2013 / Heat stress assessment by swine related vocalizations / Livestock Science 151:29~34
Ha, T / 2015 / Computation and field experiment validation of greenhouse energy load using building energy simulation model / International Journal of Agricultural and Biological Engineering 8(6):116~127
Collin, A / 2001 / Effect of high temperature on feeding behaviour and heat production in group-housed young pigs / British Journal of Nutrition 86:63~70
S. Dikmen / 2009 / Is the temperature-humidity index the best indicator of heat stress in lactating dairy cows in a subtropical environment? / Journal of Dairy Science 92(1):109~116
Ferrari, S / 2013 / Heat stress assessment by swine related vocalizations / Livestock Science 151:29~34
Ha, T / 2015 / Computation and field experiment validation of greenhouse energy load using building energy simulation model / International Journal of Agricultural and Biological Engineering 8(6):116~127
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