C. Alcalá, J. Possebom, Lucas A. Ludwig, A.P.S. Cerdeiro, Raniere Gaertner, M. Farias
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Evaluation of skin prick test, exclusion diet and dietary challenge in the diagnosis of food allergy in dogs with chronic pruritus
ABSTRACT: Allergic dogs are commonly sensitized to food allergens. We evaluated the use of the prick test to diagnose food allergies in dogs with pruritus and the efficacy of an exclusion diet based on the test. The prick test was performed in 10 healthy dogs and 34 dogs with pruritus, of which 25 received an exclusion diet for 60 days and was challenged with positive food on the test. pVAS and CADESI-4 were assessed on days 0, 30, and 60 after re-exposure. As a result, two control group dogs reacted to a single food allergen, milk and wheat. Of the 25 dogs with pruritus that reacted to food allergens, 24 (96%) reacted to more than one food allergen, and only one (4%) reacted to a single food protein: pork. In the test group (n=25), there was a significant improvement of pVAS and CADESI-4 after 30 and 60 days of dietary exclusion, with significant worsening of the scores with food allergen challenge. In conclusion, the prick test can be used for screening food allergens to make an exclusion diet.
期刊介绍:
Pesquisa Veterinária Brasileira - Brazilian Journal of Veterinary Research (http://www.pvb.com.br), edited by the Brazilian College of Animal Pathology in partnership with the Brazilian Agricultural Research Organization (Embrapa) and in collaboration with other veterinary scientific associations, publishes original papers on animal diseases and related subjects. Critical review articles should be written in support of original investigation. The editors assume that papers submitted are not being considered for publication in other journals and do not contain material which has already been published. Submitted papers are peer reviewed.
The abbreviated title of Pesquisa Veterinária Brasileira is Pesqui. Vet. Bras.