Prevalence of Dermatophytosis in Rabbits at SAQTVH, Chittagong, Bangladesh

Ch, Jagannath; Dey, ra; Rahman, Kaisar; Rumi, M.A.; Dutta, Avijit; Sayeed, Md. Abu; Ch, Bhubon; Halder, ra; Mannan, Abdul; Hossain, Saddam

doi:10.15406/jdvar.2016.03.00100

Cited by 3 publications

(1 citation statement)

References 23 publications

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“…Under the conditions of domestication, with novel hosts like guinea pig, chinchilla, cat and dog, the soilborne part of the life cycle is interrupted, and propagation becomes predominantly clonal. Several authors have reported human infections among rabbit breeders [ 33 – 35 ]. Host switch from animals to humans is a next possible evolutionary step.…”

Section: Discussionmentioning

confidence: 99%

Taxonomy of the Trichophyton mentagrophytes/T. interdigitale Species Complex Harboring the Highly Virulent, Multiresistant Genotype T. indotineae

et al. 2021

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A severe outbreak of highly virulent and multi-resistant dermatophytosis by species in the Trichophyton mentagrophytes/T. interdigitale complex is ongoing in India. The correct identity of the etiologic agent is a much-debated issue. In order to define species limits, a taxonomic study was undertaken combining molecular, morphological, and physiological characteristics as evidence of classification. Molecular characteristics show that T. mentagrophytes s. str. and T. interdigitale s. str. can be distinguished with difficulty from each other, but are unambiguously different from the Indian genotype, T. indotineae by sequences of the HMG gene. The entities were confirmed by multilocus analysis using tanglegrams. Phenotypic characters of morphology and physiology are not diagnostic, but statistically significant differences are observed between the molecular siblings. These properties may be drivers of separate evolutionary trends. Trichophyton mentagrophytes represents the ancestral, homothallic cloud of genotypes with a probable geophilic lifestyle, while T. indotineae and T. interdigitale behave as anthropophilic, clonal offshoots. The origin of T. indotineae, which currently causes a significant public health problem, is zoonotic, and its emergence is likely due to widespread misuse of antifungals.

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Section: Discussionmentioning

confidence: 99%

Taxonomy of the Trichophyton mentagrophytes/T. interdigitale Species Complex Harboring the Highly Virulent, Multiresistant Genotype T. indotineae

et al. 2021

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Dermatomycoses in Animals in the Indian Subcontinent, the Middle East, Kenya and Brazil

Gugnani

2022

RVSM

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Dermatomycoses are the most common of fungal infections in livestock, pet animals, and wild animals. The causative agents, dermatophytes, belong to three genera, namely, Trichophyton, Microsporum, and Epidermophyton. The dermatophytes known to have a sexual stage are placed in the family Arthrodermataceae in the Phylum Ascomycota of the Kingdom Fungi. Ecologically dermatophytes are classified as anthropophilic, zoophilic, and geophilic. Dermatophytic infections are the most common of fungal infections in animals. Human infections are frequently caused by some zoophilic dermatophytes but occasionally by geophilic dermatophytes. Predisposing factors for animal infections include contact with other infected animals and spores of the dermatophytes which can survive more than a year under humid and mild temperature conditions. This study presents an update on the occurrence of dermatomycoses caused by different species of dermatophytes in animals in countries in the Indian subcontinent, the Middle East, and in Kenya and Brazil. Therapy and prevention of infections are also discussed briefly.

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Pet rabbits (Oryctolagus cuniculus) and guinea pigs (Cavia porcellus) as vehicles of pathogenic and allergenic fungi

Abreu¹,

Pereira²,

Cunha³

et al. 2021

Ger. J. Microbiol.

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Nowadays, rabbits and guinea pigs are frequently adopted as companion animals, representing a vehicle for the dissemination of potentially pathogenic and allergenic fungi to their tutors. This study aimed to characterize the cutaneous mycobiota of these species and evaluate the association between mycological cultures results and several variables related to these animals’ husbandry. Hair and scales samples (n=102) were collected from 32 rabbits and 19 guinea pigs: 51 by pulling hairs surrounding lesions and collecting scales (if lesions present) or along the body of the animal (if absent); the other 51 samples were collected using Mackenzie’s technique. Samples were inoculated in Sabouraud Chloramphenicol Agar and Dermatophyte Test Media and observed daily during the incubation period. Isolated fungal species were identified based on their macro and microscopic morphology. A questionnaire was provided to the animal tutors to collect information on animal husbandry. The most frequently isolated species corresponded to saprophytic fungi, such as Aspergillus spp., Penicillium spp., Scopulariopsis spp.; yeasts such as Candida sp. and Rhodotorula sp. were also found. Statistical analysis showed that a positive mycological culture was related to animal’s age (p-value 0.00221) and the administration of ongoing medication (p-value 0.01532 for the variable anti-inflammatory drugs and 0,03680 for the variable antibiotics), while the number of isolated fungal species was related with animal’s species (p-value 0.00469 for the variable yard) and outdoor access (p-value 0.023260). These fungi have already been reported as responsible for mycotic infections in humans and animals, including dogs and cats, although they usually affect immunocompromised individuals. Therefore, these animals can represent a zoonotic risk, which may be related to animals age, species, ongoing medication, and outdoor access.

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Prevalence of Dermatophytosis in Rabbits at SAQTVH, Chittagong, Bangladesh

Cited by 3 publications

References 23 publications

Taxonomy of the Trichophyton mentagrophytes/T. interdigitale Species Complex Harboring the Highly Virulent, Multiresistant Genotype T. indotineae

Taxonomy of the Trichophyton mentagrophytes/T. interdigitale Species Complex Harboring the Highly Virulent, Multiresistant Genotype T. indotineae

Dermatomycoses in Animals in the Indian Subcontinent, the Middle East, Kenya and Brazil

Pet rabbits (Oryctolagus cuniculus) and guinea pigs (Cavia porcellus) as vehicles of pathogenic and allergenic fungi

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