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Research article2012Peer reviewed

The association between rainfall and seropositivity to Leptospira in outdoor reared pigs

Boqvist, Sofia; Magnusson, Ulf


Data on rainfall and temperature were retrieved for the respective farms. For each millimetre of extra rainfall, there was an increase in the odds ratio (OR) for seropositivity to sv Bratislava of 4.3 (95% Cl 1.9-10), and to strain mouse 2A of 2.5 (95% CI 1.0-6.4). There was no association between seropositivity and temperature. This study indicates that different climate conditions within the northern temperate climate zone may be of importance for the presence of Leptospira-seropositivity in mammals. (C) 2011 Elsevier Ltd. All rights reserved.


Climate; Temperature; Rainfall; Leptospira; Pig

Published in

Veterinary Journal
2012, Volume: 193, number: 1, pages: 135-139