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Case Report
9.
Bovine dermatophytosis caused by Trychophyton
verrucosum: A case report -
E S Swai and P N Sanka
Vet World. 2012; 5(5): 297-300
doi:
10.5455/vetworld.201
2.297-300
Abstract
Outbreak of
acute bovine dermatophytosis in a large scale
dairy herd in Arusha region of Tanzania is
described. Clinical history of the condition
complimented with detailed examination of the
affected animals (33.3%, 14/42) revealed that
animals were pastured during the day and padlocked
at night. The main clinical signs presented were
gray-white, discrete, crusty, circumscribed
extensive lesion all over the body. Skin scrapings
were taken from the lesions for mites and fungal
isolation and characterization. Pinched off lesion
were examined in 30 % KOH preparations and
scrapping were directly streaked on Trichophyton
Agar and incubated at 37 0C. Bacteriological and
fungal stain of the colonies revealed positive
mycotic structures spherical, pyriform to calvate
often of irregular shape which is characteristic
of Trychophyton verrucosum. The isolation and
morphological identification of T. verrucosum
supported the clinical diagnosis. Considering the
large number of animals involved, and the severity
of the lesions, that necessitated veterinary
intervention, it would be necessary to asses the
prevalence and economic importance of the disease
in dairy herd establishments in Tanzania.
Key
words: Arusha, Cattle, Tanzania, T.
verrucosum
