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Effect of a Sustainable Air Heat Pump System on Energy Efficiency, Housing Environment, and Productivity Traits in a Pig Farm

Author

Listed:
  • Myeong Gil Jeong

    (Animal Nutrition and Feed Science Laboratory, Department of Animal Science and Technology, Sunchon National University, Suncheon 57922, Korea
    This author contributed equally to this work as co-first author.)

  • Dhanushka Rathnayake

    (Animal Nutrition and Feed Science Laboratory, Department of Animal Science and Technology, Sunchon National University, Suncheon 57922, Korea
    This author contributed equally to this work as co-first author.)

  • Hong Seok Mun

    (Animal Nutrition and Feed Science Laboratory, Department of Animal Science and Technology, Sunchon National University, Suncheon 57922, Korea)

  • Muhammad Ammar Dilawar

    (Animal Nutrition and Feed Science Laboratory, Department of Animal Science and Technology, Sunchon National University, Suncheon 57922, Korea)

  • Kwang Woo Park

    (WP Co., Ltd., Suncheon 58023, Korea)

  • Sang Ro Lee

    (WP Co., Ltd., Suncheon 58023, Korea)

  • Chul Ju Yang

    (Animal Nutrition and Feed Science Laboratory, Department of Animal Science and Technology, Sunchon National University, Suncheon 57922, Korea)

Abstract

High electricity consumption, carbon dioxide (CO 2 ), and elevated noxious gas emission in the global livestock sector have a negative influence on environmental sustainability. This study examined the effects of a heating system using an air heat pump (AHP) on the energy saving, housing environment, and productivity traits of pigs. During the experimental period of 16 weeks, the internal temperature was found to be higher ( p < 0.05) in the AHP house than in the conventional house. Moreover, the average electricity consumption and CO 2 emission decreased by approximately 40 kWh and 19.32 kg, respectively, in the AHP house compared to the house with the conventional heating system. The average NH 3 and H 2 S emissions were significantly lower in the AHP house ( p < 0.05) during the growth stages. The AHP and conventional heating systems did not have a significant influence ( p > 0.05) on the average ultra-fine dust (PM 2.5 ) and formaldehyde level fluctuations. Furthermore, both heating systems did not show a significant difference in the average growth performance of pigs ( p > 0.05), but the weight gain tended to increase in the AHP house. In conclusion, the AHP system has great potential to reduce energy consumption, greenhouse gas (GHG) emissions, and noxious gas emissions by providing economic benefits and an eco-friendly renewable energy source.

Suggested Citation

  • Myeong Gil Jeong & Dhanushka Rathnayake & Hong Seok Mun & Muhammad Ammar Dilawar & Kwang Woo Park & Sang Ro Lee & Chul Ju Yang, 2020. "Effect of a Sustainable Air Heat Pump System on Energy Efficiency, Housing Environment, and Productivity Traits in a Pig Farm," Sustainability, MDPI, vol. 12(22), pages 1-13, November.
    • Handle: RePEc:gam:jsusta:v:12:y:2020:i:22:p:9772-:d:449776
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    References listed on IDEAS

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    1. Shin, Hakjong & Kwak, Younghoon & Jo, Seng-Kyoun & Kim, Se-Han & Huh, Jung-Ho, 2023. "Development of an optimal mechanical ventilation system control strategy based on weather forecasting data for outdoor air cooling in livestock housing," Energy, Elsevier, vol. 268(C).
    2. Hauke F. Deeken & Alexandra Lengling & Manuel S. Krommweh & Wolfgang Büscher, 2023. "Improvement of Piglet Rearing’s Energy Efficiency and Sustainability Using Air-to-Air Heat Exchangers—A Two-Year Case Study," Energies, MDPI, vol. 16(4), pages 1-30, February.
    3. Hessam Golmohamadi, 2022. "Demand-Side Flexibility in Power Systems: A Survey of Residential, Industrial, Commercial, and Agricultural Sectors," Sustainability, MDPI, vol. 14(13), pages 1-16, June.
    4. Shad Mahfuz & Hong-Seok Mun & Muhammad Ammar Dilawar & Keiven Mark B. Ampode & Veasna Chem & Young-Hwa Kim & Jong-Pil Moon & Chul-Ju Yang, 2022. "Geothermal Plus Sunlight-Based Incubator for Sustainable Pig Production," Sustainability, MDPI, vol. 14(22), pages 1-7, November.
    5. Fei Qi & Hao Li & Xuedong Zhao & Jinjun Huang & Zhengxiang Shi, 2023. "Investigation on Minimum Ventilation, Heating, and Energy Consumption of Pig Buildings in China during Winter," Agriculture, MDPI, vol. 13(2), pages 1-15, January.
    6. Costantino, Andrea & Comba, Lorenzo & Cornale, Paolo & Fabrizio, Enrico, 2022. "Energy impact of climate control in pig farming: Dynamic simulation and experimental validation," Applied Energy, Elsevier, vol. 309(C).

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