Abstract
We collected blood samples from wolves ( Canis lupus ) on the Alaska Peninsula, southwest Alaska, US, 2006-11 and tested sera for antibodies to canine adenovirus (CAV), canine coronavirus (CCV), canine distemper virus (CDV), canine herpesvirus (CHV), canine parainfluenza (CPI), canine parvovirus (CPV), Neospora caninum , and Toxoplasma gondii . Detected antibody prevalence was 90% for CAV, 28% for CCV, 12% for CDV, 93% for CHV, 0% for CPI, 20% for CPV, 0% for N. caninum, and 86% for T. gondii . Prevalence of CCV antibodies suggested a seasonal pattern with higher prevalence during spring (43%) than in fall (11%). Prevalence of CCV antibodies also declined during the 6-yr study with high prevalence during spring 2006-08 (80%, n=24) and low prevalence during spring 2009-11 (4%, n=24). Prevalence of N. caninum and T. gondii antibodies were highly variable in the study area during 2006-11. Results suggested that some pathogens might be enzootic on the Alaska Peninsula (e.g., CAV and CHV) while others may be epizootic (e.g., CCV, N. caninum , T. gondii ).
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