Houston DM, Ribble CS, Head LL. Risk factors associated with parvovirus enteritis in dogs: 283 cases (1982-1991).
J Am Vet Med Assoc 1996;
208:542-6. [PMID:
8603904]
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Abstract
OBJECTIVE
To determine breed, sex, and seasonal predisposition for development of canine parvovirus (CPV) enteritis in dogs.
DESIGN
Retrospective case-control study.
SAMPLE POPULATION
Medical records from 283 dogs with confirmed CPV enteritis and from 834 age-matched control dogs that were healthy or had been admitted with nonenteric illness.
PROCEDURE
Effects of season, breed, sex, and neutering on the risk of developing CPV enteritis were examined by calculation of unadjusted odds ratios and performance of multivariate analysis. Stratified and contingency table analyses were performed to identify interactions and confounding among variables.
RESULTS
Rottweilers, American Pit Bull Terriers, Doberman Pinschers, and German Shepherd Dogs were at increased risk and Toy Poodles and Cocker Spaniels were at decreased risk for developing CPV enteritis, compared with that for mixed-breed dogs. For dogs more than 6 months old, sexually intact males were twice as likely as intact females to develop CPV enteritis. Dogs were 3 times more likely to be admitted with CPV enteritis in July, August, and September, compared with the rest of the year. Dogs were 12.7 times more likely to be admitted with CPV enteritis if they had not been currently vaccinated.
CLINICAL IMPLICATIONS
Lack of vaccination is a significant risk factor for development of CPV enteritis. Seasonal, sex, and breed predispositions for the development of CPV enteritis also exist.
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