Diagnostic Experience from an Epidemic of Canine Parvoviral Enteritis

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Abstract
Hemagglutination (HA) test and EM were used to diagnose canine parvoviral enteritis on fecal samples from 58 hospitalized dogs of a huge epidemic. By HA-tests, the presence of the canine parvovirus (CPV) involved was shown in samples from 15 dogs (.apprx. 26%). A reference antiserum was used to identify the virus of each sample by hemagglutination inhibition (HI). By EM, parvovirus-like particles were seen in samples from 28 dogs (.apprx. 48%). Particles in 6 samples were identified as CPV by immunoaggregation. Sera from 17 out of 19 dogs examined showed specific HI titers during the acute stage of illness. A high incidence of concomitant infection with Campylobacter spp. was found by the bacteriologists.