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Volume 14
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Article

Dust and Bacterial Air Contamination in a Broiler House in Summer and Winter

by
Ivica Ravić
1,
Mario Ostović
2,*,
Anamaria Ekert Kabalin
3,
Matija Kovačić
4,
Kristina Matković
2,
Željko Gottstein
5 and
Danijela Horvatek Tomić
5
1
Independent Researcher, 88220 Široki Brijeg, Bosnia and Herzegovina
2
Department of Animal Hygiene, Behavior and Welfare, Faculty of Veterinary Medicine, University of Zagreb, 10000 Zagreb, Croatia
3
Department of Animal Breeding and Livestock Production, Faculty of Veterinary Medicine, University of Zagreb, 10000 Zagreb, Croatia
4
Kovačić Family Farm, Šopron, 48267 Orehovec, Croatia
5
Department of Poultry Diseases with Clinic, Faculty of Veterinary Medicine, University of Zagreb, 10000 Zagreb, Croatia
*
Author to whom correspondence should be addressed.
Agriculture 2024, 14(5), 778; https://doi.org/10.3390/agriculture14050778
Submission received: 22 April 2024 / Revised: 14 May 2024 / Accepted: 16 May 2024 / Published: 18 May 2024
(This article belongs to the Special Issue The Influence of Environmental Factors on Farming Animals)
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Abstract

This study aimed to investigate dust and bacterial air contamination in a broiler house during different seasons. The study was carried out in commercial housing conditions during five weeks of the rearing cycle in summer and winter. The total dust concentration ranged from 1.90 to 4.50 mg/m3 in summer and from 2.80 to 5.10 mg/m3 in winter. The total bacterial count ranged from 2.85 × 104 to 1.03 × 105 CFU/m3 in summer and from 2.12 × 104 to 2.28 × 105 CFU/m3 in winter. The study results showed the dust concentration to be increased in winter as compared to summer, yielding a significant correlation (r = 0.602, p < 0.05) with a significantly higher airborne bacterial count in winter (p < 0.001). Furthermore, dust concentration showed significant correlations (p < 0.05) with air temperature (r = −0.418), relative humidity (r = 0.673), and broiler activity (r = 0.709), while bacterial count yielded significant correlations (p < 0.05) with air temperature (r = −0.756), relative humidity (r = 0.831), and airflow rate (r = 0.511). The results obtained in the study can prove useful in the field. Seasonal variability in dust and bacterial air contamination should be considered in the development of guidelines or standards of air quality in broiler housing and evaluation of the effectiveness of remedial strategies.
Keywords: poultry; air quality; seasonal variability; airborne dust; airborne bacteria poultry; air quality; seasonal variability; airborne dust; airborne bacteria

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MDPI and ACS Style

Ravić, I.; Ostović, M.; Ekert Kabalin, A.; Kovačić, M.; Matković, K.; Gottstein, Ž.; Horvatek Tomić, D. Dust and Bacterial Air Contamination in a Broiler House in Summer and Winter. Agriculture 2024, 14, 778. https://doi.org/10.3390/agriculture14050778

AMA Style

Ravić I, Ostović M, Ekert Kabalin A, Kovačić M, Matković K, Gottstein Ž, Horvatek Tomić D. Dust and Bacterial Air Contamination in a Broiler House in Summer and Winter. Agriculture. 2024; 14(5):778. https://doi.org/10.3390/agriculture14050778

Chicago/Turabian Style

Ravić, Ivica, Mario Ostović, Anamaria Ekert Kabalin, Matija Kovačić, Kristina Matković, Željko Gottstein, and Danijela Horvatek Tomić. 2024. "Dust and Bacterial Air Contamination in a Broiler House in Summer and Winter" Agriculture 14, no. 5: 778. https://doi.org/10.3390/agriculture14050778

APA Style

Ravić, I., Ostović, M., Ekert Kabalin, A., Kovačić, M., Matković, K., Gottstein, Ž., & Horvatek Tomić, D. (2024). Dust and Bacterial Air Contamination in a Broiler House in Summer and Winter. Agriculture, 14(5), 778. https://doi.org/10.3390/agriculture14050778

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