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http://dx.doi.org/10.5762/KAIS.2019.20.1.456

Evaluation of thermal stress of poultry according to stocking densities using mumerical BES model  

Kwon, Kyeong-seok (Animal Environment Division, National Institute of Animal Science)
Ha, Tahwan (Rural Systems Engineering, Seoul National University)
Choi, Hee-chul (Animal Environment Division, National Institute of Animal Science)
Kim, Jong-bok (Animal Environment Division, National Institute of Animal Science)
Lee, Jun-yeob (Animal Environment Division, National Institute of Animal Science)
Jeon, Jung-hwan (Animal Environment Division, National Institute of Animal Science)
Yang, Ka-young (Animal Environment Division, National Institute of Animal Science)
Kim, Rack-woo (Rural Systems Engineering, Seoul National University)
Yeo, Uk-hyeon (Rural Systems Engineering, Seoul National University)
Lee, Sang-yeon (Rural Systems Engineering, Seoul National University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.20, no.1, 2019 , pp. 456-463 More about this Journal
Abstract
Micro climatic conditions within the livestock facility are affected by various factors such as ventilation, cooling, heating, insulation and latent and sensible heat generation from animals. In this study, numerical BES method was used to simulate energy flow inside the poultry house. Based on the BES method and THI concept, degree of thermal stress of poultry was evaluated according to the locations in South Korea. Comparison of THI values within the poultry house was also carried out according to the stocking densities to reflect recent animal-welfare issue. Significant decrease in thermal stress of poultry was observed when the stocking density of $30kg/m^2$ was applied in the change of the seasons(p<0.05) however, there was no statistically significant difference in summer season(p>0.05). It meant that installation of proper cooling system is urgently needed. For Iksan city of Jeollabuk-do province, total 252 hours of profit for thermal stress was found according to decrease in the stocking density.
Keywords
Broiler; Numerical-Model; Stocking-Density; Thermal-Stress; THI;
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