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http://dx.doi.org/10.5762/KAIS.2020.21.8.388

Effect of floor types (slat vs. litter) of group housing systems on sow behavior and environmental levels  

Yang, Ka Young (National Institute of Animal Science, Rural Development Administration)
Ha, Jae Jung (Gyeongsngbuk-Do Livestock Research Institute)
Kwon, Kyeong Seok (National Institute of Animal Science, Rural Development Administration)
Kim, Jong Bok (National Institute of Animal Science, Rural Development Administration)
Jang, Dong Hwa (National Institute of Animal Science, Rural Development Administration)
Lee, Jun Yeob (National Institute of Animal Science, Rural Development Administration)
Kim, Jung Kon (National Institute of Animal Science, Rural Development Administration)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.21, no.8, 2020 , pp. 388-394 More about this Journal
Abstract
This study was undertaken to evaluate and compare the status of animal welfare, environmental level, and sow behavior, by including two farmhouses with sow group housing but having different floor types, viz., litter floor and slat floor. Animal welfare level was evaluated for body and vulval wounds of sows. The environmental level was measured for a total of 4 months, assessing the concentrations of H2S, NH3 and CO2 inside the pig house, once a month. Results of this study indicate that the level of animal welfare, with respect to body and vulval wounds, was better in the concrete slat floor farmhouse (H) than in the litter floor farmhouse (K). Environmental levels obtained (in ppm) were: H2S (H, 1.0; K, 0.0), NH3 (H, 45.4; K, 1.3), and CO2 (H, 1102.3; K, 258.8), indicating higher levels in the H than in K farmhouse. Aggressive behavior was mainly encountered in the H farmhouse. These results indicate that the same group housing system, but with different flooring, results in changes pertaining to aggressive behavior and environmental levels. It is therefore necessary to study the behavior changes, welfare, and environmental levels while deliberating different floor types.
Keywords
Sow; Animal welfare; Floor; Group housing; Slat; litter;
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