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J Wildl Dis. 2009 Apr;45(2):531-6.

Serologic survey for selected infectious diseases in raccoons (Procyon lotor) in Indiana, USA.

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  • 1Department of Comparative Pathobiology, School of Veterinary Medicine, Purdue University, West Lafayette, Indiana 47907, USA.


The objective of this study was to characterize the antibody prevalence of important livestock and domestic animal pathogens in raccoons (Procyon lotor) trapped and sampled in 39 forest patches in north-central Indiana, USA, between 2004 and 2005. A total of 459 serum samples were tested for antibodies to Leptospira serovars, 512 for Canine distemper virus (CDV) antibodies, and 340 for antibodies to Porcine reproductive and respiratory syndrome virus (PRRSV). In total, 47, 16, and 0% of the samples were seropositive for at least one Leptospira serovar, CDV, and PRRSV, respectively. Most of the positive Leptospira results were to serovars grippotyphosa (36%), autumnalis (22%), and hardjo (22%). No statistically significant correlation was found between antibody prevalence estimates for different Leptospira serovars. A significant association was found between body weight and antibodies for Leptospira serovars and CDV. In addition, age (adult vs. juvenile) was significantly associated with the presence of CDV antibody, with adults exhibiting a higher prevalence than juveniles. This study confirmed that raccoons in Indiana, USA, are exposed to different Leptospira interrogans serovars and CDV and that age and weight are associated with the presence of antibodies for both pathogens.

[PubMed - indexed for MEDLINE]
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