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      • Estimation of CO<sub>2</sub> emissions in a swine barn based on age, body weight gain and different activities of swine

        ( Nibas Chandra Deb ),( Jayanta Kumar Basak ),( Bhola Paudel ),( Sijan Karki ),( Daeyeong Kang ),( Junghoo Kook ),( Myeongyong Kang ),( Seongwoo Jeon ),( Hyeon Tae Kim ) 한국농업기계학회 2023 한국농업기계학회 학술발표논문집 Vol.28 No.1

        In the modern world, global warming is a serious problem that is predominantly caused by greenhouse gases (GHGs). However, due to the demand of pork, carbon dioxide (CO<sub>2</sub>) emissions are increasing dramatically from swine burns, which have a significant impact on increasing GHGs in the atmosphere. Therefore, the objectives of this study were to measure the CO<sub>2</sub> emissions based on age, body weight gain and different activities of swine. The experiment was conducted in an experimental swine barn from September to December, 2022. A load cell and a livestock environment management system (LEMS) were used to measure the body weight of swine’s and CO<sub>2</sub> emissions level inside the barn, respectively. A 2d camera was used to record the swine’s different activities on a daily basis. The findings of the study showed that the CO<sub>2</sub> emissions were strongly correlated with body weight (r = 0.83) and age of swine (r = 0.86). In this study, we also found that the CO<sub>2</sub> emissions were highest at sleeping time (1-2 PM) and lowest at feeding time (5-6 PM). Moreover, the CO<sub>2</sub> emissions during sleeping (1-2 PM) and feeding (5-6 PM) time were significantly different from other activities (P < 0.05). In conclusion, this study recommends additional research need to be conducted in the different seasons to estimate the CO<sub>2</sub> emissions in concern to swine’s age, body weight and different activities by providing different additives of diets.

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