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Effect of pig production system and transport on the potential pathogen transfer risk into the food chain from Salmonella shed in pig faeces

Bonde, Marianne and Sørensen, Jan Tind (2007) Effect of pig production system and transport on the potential pathogen transfer risk into the food chain from Salmonella shed in pig faeces. Paper at: 3rd QLIF Congress: Improving Sustainability in Organic and Low Input Food Production Systems, University of Hohenheim, Germany, March 20-23, 2007.

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Summary

The prevalence of faecal Salmonella shedding has been compared in organic, conventional outdoor, and indoor finishing pig herds in a Danish survey with participation of 34 herds. Individual faecal and meat juice samples were collected from 30-50 pigs per herd and analysed for presence of Salmonella, and Salmonella antibodies, respectively. The results showed a low level of on-farm Salmonella shedding (<0,2 %) in organic and conventional outdoor herds compared to 2,5 % in indoor pigs (P<0,0001), and also a lower prevalence of Salmonella shedding in outdoor systems at slaughter (<2 %) compared to 4,1 % in indoor systems (P<0,01). The overall seroprevalence was 8,5 % with no significant differences between systems. Seropositivity was a significant predictor of Salmonella shedding at slaughter in individual pigs from conventional systems, but not in organic pigs. The duration of transport did not affect the risk of Salmonella shedding at slaughter.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Paper
Keywords:fattening pig, production systems, Salmonella, faecal shedding
Subjects: Food systems > Food security, food quality and human health
Animal husbandry > Production systems > Pigs
Research affiliation: International Conferences > 2007: 3rd QLIF Congress > 2 Food quality/ safety
European Union > QualityLowInputFood > Subproject 4: Livestock production systems
Related Links:http://orgprints.org/10417/
Deposited By: Bonde, Dr Marianne
ID Code:10281
Deposited On:12 Mar 2007
Last Modified:12 Apr 2010 07:34
Document Language:English
Status:Published
Refereed:Peer-reviewed and accepted
Additional Publishing Information: The final version of this paper is published in:
Niggli, Urs; Leifert, Carlo; Alföldi, Thomas; Lück, Lorna and Willer, Helga, Eds. (2007) Improving Sustainability in Organic and Low Input Food Production Systems. Proceedings of the 3rd International Congress of the European Integrated Project Quality Low Input Food (QLIF). University of Hohenheim, Germany, March 20 – 23, 2007. Research Institute of Organic Agriculture FiBL, CH-Frick.http://orgprints.org/10417/
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