<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The aim of this study was to investigate the effect of aeration on the survival of indicator and pathogenic microorganisms in pig slurry. After inoculation of the aerated biomass with target bacteria, samples for the microbiological analyses were collected in different time intervals for the period of 12 days. The MPN method was used to determine the number of the investigated microorganisms. The results of statistical analysis showed the lack of significant differences in the theoretical time of survival, elimination rate and the time needed for 90% reduction between different Salmonella serotypes. Theoretical survival of Salmonella Typhimurium, Salmonella Senftenberg W775 and enterococci in the aerated slurry ranged from 13 to 25 days. Enterococci were the most resistant to aeration, and their survival time, compared to salmonellas, was significantly higher.</p></abstract>

The aim of this study was to investigate the effect of aeration on the survival of indicator and pathogenic microorganisms in pig slurry. After inoculation of the aerated biomass with target bacteria, samples for the microbiological analyses were collected in different time intervals for the period of 12 days. The MPN method was used to determine the number of the investigated microorganisms. The results of statistical analysis showed the lack of significant differences in the theoretical time of survival, elimination rate and the time needed for 90% reduction between different Salmonella serotypes. Theoretical survival of Salmonella Typhimurium, Salmonella Senftenberg W775 and enterococci in the aerated slurry ranged from 13 to 25 days. Enterococci were the most resistant to aeration, and their survival time, compared to salmonellas, was significantly higher.

Aeration as an effective method for pathogen elimination in pig slurry

Department of Microbiology and Food Technology, University of Technology and Life Sciences, Bernardyńska 6, 85-029 Bydgoszcz, Poland

Department of Animal Hygiene and Microbiology of the Environment, University of Technology and Life Sciences, Mazowiecka 28, 85-084 Bydgoszcz, Poland

Annals of Animal Science

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Aeration as an effective method for pathogen elimination in pig slurry"}

The aim of this study was to investigate the effect of aeration on the survival of indicator and pathogenic microorganisms in pig slurry. After inoculation of...

Aeration as an effective method for pathogen elimination in pig slurry

Article Category: Behavior, well-being, production technology, and environment

Published Online: Jul 29, 2015

Page range: 737 - 745

Received: Jun 16, 2014

Accepted: Dec 17, 2014

DOI: https://doi.org/10.1515/aoas-2015-0011

Keywords
pig slurry, aeration, Salmonella, enterococci

© by Justyna Bauza-Kaszewska

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Aeration as an effective method for pathogen elimination in pig slurry

Article Category: Behavior, well-being, production technology, and environment

Published Online: Jul 29, 2015

Page range: 737 - 745

Received: Jun 16, 2014

Accepted: Dec 17, 2014

DOI: https://doi.org/10.1515/aoas-2015-0011

Keywordspig slurry, aeration, Salmonella, enterococci

© by Justyna Bauza-Kaszewska

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
pig slurry, aeration, Salmonella, enterococci