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Distribution Characteristics and Factors Influencing Culturable Bacterial Bioaerosols on a Dairy Farm in Northern China

Author

Listed:
  • Lin Ru

    (College of Civil Engineering and Water Conservancy, Heilongjiang Bayi Agricultural University, Daqing 163319, China)

  • Luyu Ding

    (Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
    National Engineering Research Center for Information Technology in Agriculture Beijing, Beijing 100097, China
    National Innovation Center of Digital Technology in Animal Husbandry, Beijing 100097, China)

  • Shuhui Deng

    (College of Civil Engineering and Water Conservancy, Heilongjiang Bayi Agricultural University, Daqing 163319, China)

  • Qifeng Li

    (Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
    National Engineering Research Center for Information Technology in Agriculture Beijing, Beijing 100097, China
    National Innovation Center of Digital Technology in Animal Husbandry, Beijing 100097, China)

  • Wanying Zhao

    (China Rural Technology Development Center, Beijing 100032, China)

  • Rong Wang

    (Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
    National Engineering Research Center for Information Technology in Agriculture Beijing, Beijing 100097, China)

  • Jiawei Li

    (Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
    National Engineering Research Center for Information Technology in Agriculture Beijing, Beijing 100097, China)

  • Yujian Lu

    (College of Water Resources and Civil Engineering, China Agricultural University, Beijing 100083, China)

  • Chunxia Yao

    (Information Technology Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
    National Engineering Research Center for Information Technology in Agriculture Beijing, Beijing 100097, China
    National Innovation Center of Digital Technology in Animal Husbandry, Beijing 100097, China)

Abstract

Studying the distribution characteristics of bioaerosols and their interaction with the environment is crucial for dairy farms. The distribution of aerosols differs in dairy farming from farming of other livestock, and their sensitivity to environmental factors varies across sites. Field experiments were conducted in an intensive commercial dairy farm in Northern China to investigate the horizontal and vertical distribution of culturable bacterial bioaerosols. Concentration levels and particle size ranges were analyzed, and the impact of multiple environmental factors on culturable bacterial bioaerosols was assessed. Significant variations in culturable bacterial bioaerosol concentrations were observed across eight functional zones, ranging from 1.14 × 10 3 to 7.35 × 10 3 CFU/m 3 . Culturable bacterial bioaerosols exhibited consistent carrier distribution patterns across six different size ranges. Vertical analysis revealed significantly higher culturable bacterial bioaerosol concentrations at a 1 m height compared to 4 m ( p < 0.05), while similar size distributions were observed at different heights of the same sampling location. The top three environmental factors influencing culturable bacterial bioaerosol concentrations were PM100 concentration, wind direction, and air temperature. This study provides insights into the distribution characteristics of culturable bacterial bioaerosols on dairy farms and their response to environmental factors. The findings serve as a reference for evaluating bioaerosol emissions and establishing daily disinfection management measures on dairy farms.

Suggested Citation

  • Lin Ru & Luyu Ding & Shuhui Deng & Qifeng Li & Wanying Zhao & Rong Wang & Jiawei Li & Yujian Lu & Chunxia Yao, 2023. "Distribution Characteristics and Factors Influencing Culturable Bacterial Bioaerosols on a Dairy Farm in Northern China," Agriculture, MDPI, vol. 13(9), pages 1-24, September.
    • Handle: RePEc:gam:jagris:v:13:y:2023:i:9:p:1752-:d:1232152
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    References listed on IDEAS

    as
    1. Lin Zang & Zemin Wang & Bo Zhu & Yu Zhang, 2019. "Roles of Relative Humidity in Aerosol Pollution Aggravation over Central China during Wintertime," IJERPH, MDPI, vol. 16(22), pages 1-12, November.
    2. Zizhong Shi & Junru Li & Xiangdong Hu, 2023. "From Large to Powerful: International Comparison, Challenges and Strategic Choices for China’s Livestock Industry," Agriculture, MDPI, vol. 13(7), pages 1-21, June.
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