Seroprevalence of toxoplasmosis, brucellosis and listeriosis in horses in Hakkari, eastern region of Turkey

L'objectif de cette etude est d'etablir la seroprevalence de la toxoplasmose, de la brucellose et de la listeriose chez les chevaux de la cite d'Hakkari, region Est de la Turquie. Pour cela, les serums de 74 chevaux locaux ont ete testes par les tests d'inhibition de l'hemagglutination (IHAT) et de coloration au Sabin-Feldman (SFDT) pour la recherche d'anticorps anti-Toxoplasma, d'agglutination en tube (SAT) pour deceler les anticorps anti-Brucella, et par l'agglutination d'Osebold (OAT) pour rechercher les anticorps anti-Listeria. La seroprevalence de la toxoplasmose a ete de 13.5% en utilisant le test IHA et de 28.3% en utilisant le SFDT, ce dernier presentant une meilleure sensibilite. La seroprevalence de la brucellose est restee faible chez les chevaux (9.5%) alors qu'une forte incidence de la listeriose (48.6%) a ete mise en evidence. Aucune association significative entre le sexe ou l'âge des animaux et l'infection par la toxoplasmose ou la listeriose n'a ete observee. En revanche, la seroprevalence de la brucellose a ete significativement plus elevee chez les femelles que chez les mâles. Ces resultats suggerent que les chevaux de la region d'Hakkari pourraient constituer des reservoirs infectieux potentiels pour les autres especes et contribuer a l'extension de ces pathologies et a la contamination de l'homme directement (brucellose, listeriose) et indirectement (toxoplasmose).

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