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Original Article

Experimental histoplasmosis and blastomycosis in young pups

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Pages 188-192 | Published online: 09 Jul 2009
 

Abstract

Young pups exposed to soil seeded with Histoplasma capsulatum and Blastomyces dematitidis were very susceptible to infection. Of those exposed to H. capsulatum, 88·5% dying 3 weeks or more after contact, yielded positive cultures from various tissues. In compariosn, 57% positive cultures were obtained from the pups dying 3 weeks or more after exposure to Blastomyces dermatitidis. The accumulated percentage of positive cultures obtained from all pups dying in the H. capsulatum group was 75·0% compared to 48·9% in the B. dermatitidis group. After 17 weeks about 95% of the pups died that were exposed to H. capsulatum compared to about 76% at this time exposed to B. dermatitidis.

Resume

De jeunes chiens exposés au contact de sol ensemencés par Histoplasma capsulatum et Blastomyces dermatitidis sont très sensibles à la contamination. Les defférents organes des chiens morts, trois semaines au plus après avoir été exposés à H. capsulatum, conduisent à 88,5% de cultures positives, alors que seulement 57% des cultures sont positives pour les chiens mourant 3 semaines après exposition à B. dermatitidis.

75% des cultures sont positives si l'on tient compte de tous les chiens morts après un contact avec H. capsulatum et seulement 48,9% avec B. dermatitidis.

Après 17 semaines, la mortalité est de 95% pour les animaux exposés à H. capsulatum et de 76% pour ceux exposés à B. dermatitidis.

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