Short communication: Screening stable flies and house flies as potential vectors of digital dermatitis in dairy cattle

Digital dermatitis is a bacterial infection that causes lesions above the heel bulbs on cattle hooves, and several bacterial species from the genus Treponema are suspected to be causative agents of this polymicrobial condition. Transmission of the bacteria to healthy cows is understudied, particular...

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Bibliographic Details
Published in:Journal of dairy science 2021-01, Vol.104 (1), p.977-980
Main Authors: Thibodeaux, R.J., Brady, J.A., Maryak, C.C.K., Swiger, S.L., Jones, B.W.
Format: Article
Language:English
Subjects:
Animals
Cattle
Cattle Diseases - transmission
digital dermatitis
Digital Dermatitis - epidemiology
Digital Dermatitis - transmission
Female
flies
Hoof and Claw
Insect Vectors
Muscidae
quantitative PCR
Treponema
Treponemal Infections - transmission
Treponemal Infections - veterinary
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Summary:Digital dermatitis is a bacterial infection that causes lesions above the heel bulbs on cattle hooves, and several bacterial species from the genus Treponema are suspected to be causative agents of this polymicrobial condition. Transmission of the bacteria to healthy cows is understudied, particularly with regard to potential insect vectors. Therefore, the objective of this research was to determine if flies captured from a dairy farm known to have digital dermatitis are contaminated with Treponema bacteria. The DNA-based assays did not detect any Treponema phagedenis from stable flies and house flies collected at a dairy experiencing an outbreak of digital dermatitis. Other potential means of bacterial transmission are discussed.
ISSN:0022-0302
1525-3198
DOI:10.3168/jds.2020-18550