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Lesser housefly (Fannia canicularis) as possible mechanical vector for Aleutian mink disease virus

A Prieto1, J M Díaz-Cao1, R Fernández-Antonio2

  • 1Department of Animal Pathology (INVESAGA Group), Faculty of Veterinary Sciences, Universidade de Santiago de Compostela, Lugo, Spain.

Veterinary Microbiology
|July 9, 2018
PubMed

Insights

Flies, specifically Fannia canicularis, can carry the Aleutian mink disease virus (AMDV) in fur farms. This study confirms AMDV presence in flies, suggesting they act as disease vectors.

Area of Science:

  • Veterinary Entomology
  • Infectious Disease Epidemiology
  • Animal Virology

Background:

  • Flies are known vectors of animal infectious diseases.
  • Aleutian disease, caused by Aleutian mink disease virus (AMDV), is a severe threat in fur mink farming.
  • The role of flies as AMDV vectors in mink farms remains unstudied.

Purpose of the Study:

  • To investigate the presence of AMDV in aerial flies collected from an infected mink farm.
  • To identify potential fly vectors for AMDV transmission in mink farming environments.

Main Methods:

  • Collection of flies (n=254) and environmental swabs (n=4) from two mink farm barns.
  • Identification of dominant fly species: Fannia canicularis (Diptera: Muscidae).
  • Analysis of pooled fly samples (150 specimens in 15 pools) and swabs using qPCR and sequencing.

Main Results:

  • AMDV was detected in all tested fly pools and environmental samples.
  • Fannia canicularis constituted over 99% of the sampled fly population.
  • Sequence analysis confirmed identical AMDV genotypes in both fly and environmental samples.

Conclusions:

  • This is the first report confirming AMDV contamination in flies from mink farms.
  • Fannia canicularis is suggested as a potential vector for AMDV.
  • Findings may inform improved control strategies for AMDV in mink farming.
Keywords:
Aleutian mink disease virusFannia canicularisMechanical vectorMink

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