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E-test determination of antifungal susceptibility of Candida species isolated from turkeys

Ireneusz Sokół

Ireneusz Sokół

Private Veterinary ServiceWrocław, Poland
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Sokół, Ireneusz
, 
Stanisław Tokarzewski

Stanisław Tokarzewski

Private Veterinary Service, AviExpertLublin, Poland
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Tokarzewski, Stanisław
, 
Kamila Bobrek

Kamila Bobrek

Department of Epizootiology and Clinic of Bird and Exotic Animals, Faculty of Veterinary Medicine, Wrocław University of Environmental and Life SciencesWrocław, Poland
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Bobrek, Kamila
 und 
Andrzej Gaweł

Andrzej Gaweł

Department of Epizootiology and Clinic of Bird and Exotic Animals, Faculty of Veterinary Medicine, Wrocław University of Environmental and Life SciencesWrocław, Poland
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Gaweł, Andrzej
  
10. Nov. 2020
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Online veröffentlicht: 10. Nov. 2020
Seitenbereich: 517 - 521
Eingereicht: 14. Mai 2020
Akzeptiert: 26. Okt. 2020
DOI: https://doi.org/10.2478/jvetres-2020-0072
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© 2020 I. Sokół et al. published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Introduction

Candida species are a natural component of the intestinal tract microflora, but in favourable conditions they can cause superficial, mucosal, or even systemic candidiasis. Poultry production might be a source of human drug-resistant yeast infections, including Candida spp. The limited data concerning the antifungal susceptibility of poultry Candida isolates prompted us to carry out research to determine the susceptibility of isolates from turkey intestinal tracts.

Method and Materials

The beak cavity, crop and cloaca were swabbed of 580 turkeys from 58 flocks in western Poland. The susceptibility tests were conducted using the E-test method with amphotericin B, fluconazole, itraconazole, and voriconazole on 52 isolates of C. albicans, C. catenulata, C. glabrata, C. palmioleophila, C. rugosa, C. krusei and C. lusitaniae.

Results

All isolates were susceptible to voriconazole. According to the MIC values obtained for amphotericin B and fluconazole, all Candida spp. isolates were classified as susceptible according to the described breakpoints except for C. krusei, which was the only isolate that was amphotericin B-, fluconazole- and itraconazole-resistant. The susceptibility to itraconazole varied: 11 of the Candida isolates were susceptible (21.1%), 29 were dose-dependently susceptible (55.8%), and 12 isolates were resistant (23.1%).

Conclusion

There are few resistant strains of Candida in turkeys, and the drug resistance varies. When Candida passes from turkeys to humans, there is a wide range of antifungal treatment options.

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Biologie, Molekularbiologie, Mikrobiologie und Virologie, Biologie, andere, Medizin, Veterinärmedizin
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