Veterinarski glasnik 2024 Volume 78, Issue 2, Pages: 182-189
https://doi.org/10.2298/VETGL240602016G
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Outbreak of white piedra in a flock of Extremeña blue hens
García Alfredo 
(Extremadura Scientific and Technological Research Center (CICYTEX), Animal production, Guadajira, Badajoz, Spain)
Barraso Carmen (Extremadura Scientific and Technological Research Center (CICYTEX), Animal production, Guadajira, Badajoz, Spain), carmen.barraso@juntaex.es
This paper describes for the first time a case of avian ringworm, caused by
Cutaneotrichosporon jirovecii in a small flock of Extremeña blue hens and
highlights that the disease could occur in outbreak proportions, with 46.70%
of cocks affected. Infected birds had white crusts on the comb, and most
affected animals showed white or light brown nodules that were loosely
attached to the tip of feathers, but no systemic disease signs were
observed. The diagnosis of Trichosporon jirovecii was made by morphological
identification, and it was confirmed by sequencing amplification product of
the PCR using universal primers of the internal transcribed spacer region.
Keywords: outbreak, ringworm, rooster, superficial lesion, Trichosporon jirovecii, zoonosis
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