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Differences in fungal contamination of broiler litter between summer and winter fattening periods

Mario Ostović
Mario Ostović
, 
Ivica Ravić
Ivica Ravić
, 
Matija Kovačić
Matija Kovačić
, 
Anamaria Ekert Kabalin
Anamaria Ekert Kabalin
, 
Kristina Matković
Kristina Matković
, 
Ivana Sabolek
Ivana Sabolek
, 
Željko Pavičić
Željko Pavičić
, 
Sven Menčik
Sven Menčik
 oraz 
Danijela Horvatek Tomić
Danijela Horvatek Tomić
   | 28 cze 2021
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Article Category: Original article
Data publikacji: 28 cze 2021
Zakres stron: 140 - 147
Otrzymano: 01 lis 2020
Przyjęty: 01 maj 2021
DOI: https://doi.org/10.2478/aiht-2021-72-3508
© 2021 Mario Ostović, Ivica Ravić, Matija Kovačić, Anamaria Ekert Kabalin, Kristina Matković, Ivana Sabolek, Željko Pavičić, Sven Menčik, Danijela Horvatek Tomić, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1

Comparison of weekly total fungal concentrations in broiler litter between the summer and winter fattening periods (values are expressed as means ± 95 % confidence intervals). a marks weekly values of the same season that did not differ significantly; other values differed significantly (P<0.05). * weekly values that differed significantly between the seasons (P<0.05). CFU – colony forming units
Comparison of weekly total fungal concentrations in broiler litter between the summer and winter fattening periods (values are expressed as means ± 95 % confidence intervals). a marks weekly values of the same season that did not differ significantly; other values differed significantly (P<0.05). * weekly values that differed significantly between the seasons (P<0.05). CFU – colony forming units

Figure 2

Comparison of weekly broiler litter temperatures between the summer and winter fattening periods (values are expressed as means ± 95 % confidence intervals). a,b same letters mark weekly values of the same season that did not differ significantly; other values differed significantly (P<0.05). All weekly values differed significantly between the seasons (P<0.05)
Comparison of weekly broiler litter temperatures between the summer and winter fattening periods (values are expressed as means ± 95 % confidence intervals). a,b same letters mark weekly values of the same season that did not differ significantly; other values differed significantly (P<0.05). All weekly values differed significantly between the seasons (P<0.05)

Figure 3

Comparison of weekly broiler litter moisture between the summer and winter fattening periods (values are expressed as means ± 95 % confidence intervals). a,b,c,d same letters mark weekly values of the same season that did not differ significantly; other values differed significantly (P<0.05). * weekly values that differed significantly between the seasons (P<0.05)
Comparison of weekly broiler litter moisture between the summer and winter fattening periods (values are expressed as means ± 95 % confidence intervals). a,b,c,d same letters mark weekly values of the same season that did not differ significantly; other values differed significantly (P<0.05). * weekly values that differed significantly between the seasons (P<0.05)

Figure 4

Comparison of weekly broiler litter pH between the summer and winter fattening periods (values are expressed as means ± 95 % confidence intervals). a,b same letters mark weekly values of the same season that did not differ significantly; other values differed significantly (P<0.05). No weekly values differed significantly between the seasons
Comparison of weekly broiler litter pH between the summer and winter fattening periods (values are expressed as means ± 95 % confidence intervals). a,b same letters mark weekly values of the same season that did not differ significantly; other values differed significantly (P<0.05). No weekly values differed significantly between the seasons

Comparison of total litter fungal concentrations, temperature, moisture, and pH between the summer and winter broiler fattening periods

Parameter Summer Winter P
Fungi (CFU/g) Median (range) 1.82×104 (3.00×102–1.65×105) 3.32×104 (2.00×102–1.58×105) 0.62
Temperature (°C) Mean±SD (range) 28.80±1.74 (25.60–31.80) 26.34±1.75 (22.90–29.80) <0.001
Moisture (%) Mean±SD (range) 28.18±10.12 (7.90–42.30) 32.17±11.07 (12.60–49.00) 0.19
pH Mean±SD (range) 7.06±1.18 (4.95–8.71) 6.83±1.23 (5.42–8.61) 0.50

Comparison of litter fungal composition (with concentrations by genera/sections) between the summer and winter broiler fattening periods

Fungal genera CFU/g Median (range) P
Summer Winter
Aspergillus spp. 2.00×102 (0–1.40×103) 0 (0–5.00×102) <0.01
A. section Flavi 1.00×102 (0–1.00×103) Not detected <0.001
A. section Nigri 1.00×102 (0–1.40×103) 0 (0–5.00×102) 0.18
Cladosporium spp. 0 (0–1.00×102) Not detected 0.82
Fusarium spp. Not detected 0 (0–1.00×102) 0.82
Mucor spp. Not detected 1.00×102 (0–2.90×104) <0.001
Penicillium spp. 0 (0–4.00×102) 1.50×103 (0–2.85×104) <0.001
Rhizopus spp. 0 (0–1.00×102) 0 (0–2.00×102) 0.83
Yeasts 1.71×104 (0–1.64×105) 9.20×103 (0–1.35×105) 0.19
Unidentified 0 (0–1.00×103) 0 (0–50) 0.03

Correlations between total litter fungal concentrations and litter temperature, moisture, and pH

Parameter Temperature (°C) Moisture (%) pH
Fungi (CFU/g) 0.710* 0.791* 0.918*
eISSN:
1848-6312
Języki:
Angielski, Slovenian
Częstotliwość wydawania:
4 razy w roku
Dziedziny czasopisma:
Medicine, Basic Medical Science, other
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