The Stable Fly (Stomoxys calcitrans) as a Possible Vector Transmitting Pathogens in Austrian Pig Farms

This pilot study aimed to investigate stable flies from Austrian pig farms for the presence of defined swine pathogens, such as porcine reproductive and respiratory syndrome virus (PRRSV), porcine circovirus 2 (PCV2), hemotrophic mycoplasmas in ingested blood and/or body parts and bacteria on the su...

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Bibliographic Details
Published in:Microorganisms (Basel) 2020-09, Vol.8 (10), p.1476
Main Authors: Schwarz, Lukas, Strauss, Andreas, Loncaric, Igor, Spergser, Joachim, Auer, Angelika, Rümenapf, Till, Ladinig, Andrea
Format: Article
Language:English
Subjects:
Abdomen
African swine fever
Animal diseases
Animals
Bacteria
Blood
Body parts
Coliforms
Diagnostic systems
E coli
Farm buildings
Farms
Flies
hemotrophic mycoplasmas
Hogs
Laboratories
Microorganisms
Muscidae
Pathogens
PCV2
PRRSV
Stomoxys calcitrans
Swine
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Summary:This pilot study aimed to investigate stable flies from Austrian pig farms for the presence of defined swine pathogens, such as porcine reproductive and respiratory syndrome virus (PRRSV), porcine circovirus 2 (PCV2), hemotrophic mycoplasmas in ingested blood and/or body parts and bacteria on the surface of the flies. Furthermore, the use of stable flies as a diagnostic matrix for the detection of pathogens in the ingested pig blood should be investigated. In total, 69 different microorganisms could be found on the surface of tested S. calcitrans from 20 different pig farms. Escherichia coli was the most common bacterium and could be found on flies from seven farms. In seven farms, hemotrophic mycoplasmas were detected in stable flies. PRRSV could not be found in any of the samples of these 20 farms but PCV2 was detected in six farms. Whether the stable fly can be used as a matrix to monitor the health status cannot be accurately determined through this study, especially in regard to PRRSV. Nevertheless, it might be possible to use the stable fly as diagnostic material for defined pathogens like Mycoplasma suis and PCV2.
ISSN:2076-2607
2076-2607
DOI:10.3390/microorganisms8101476