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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Vol. 52 • No. 3