Mycoses in domestic animals
Author:
ME GarcÃa Sánchez & JL Blanco
Date: 4 April 2004
Abstract:
In the present paper we will present a general view of the main mycoses affectingdomestic animals.In the dog, we show the importance of the dermatophytoses, increased by itszoonosic character and the problem of the false negatives in the traditionalmicrobiological culture. Under the general term of systemic mycoses we includea series of conditions considered usually as aspergillosis, but with more andmore fungal species implicated as possible etiological agents. In addition, fungi,especially yeasts, are being implicated in canine otitis; in our laboratory 86% ofcanine chronic otitis involve a yeast etiology, alone or in collaboration with bacteria.In the cat, dermatophytes are more common than in the dog, and are the mainsource of infection in man, with the description of a high percentage of healthycarrier animals. Cryptococcosis is a severe disease, usually secondary to otherprocess, especially feline immunodeficiency.In cows we refer to fungal abortion, with three main fungi implicated: Aspergillus,Candida and Zygomycetes. In some areas of our country the percentage of fungalabortion is around 10%. A consequence of the multiple use of antibiotics inmastitis is selection of yeasts, especially those included in the genera Candidaand Cryptococcus. Bovine dermatophytoses is an extensively disseminated diseasein our country, with a commercial specific vaccine available.In small ruminants, Cryptococcus causes severe pneumonic processes thatcould be confused clinically with other conditions. An additional important questionis the description of isolation of this fungus from tree leaves.In poultry, aspergillosis is a known and controlled disease, but with more importancein captive wild birds with an ecological value.In horses, we emphasize the lung infections by different fungi, speciallyPneumocystis carinii, and arthritis by yeasts as consequence of wound contaminationor surgery.
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