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Seasonality and other risk factors for fleas infestations in domestic dogs and cats

Farrell, Sean, McGarry, John, Noble, Peter‐John Mäntylä, Pinchbeck, Gina J., Cantwell, Sophie, Radford, Alan D., Singleton, David A. (2023) Seasonality and other risk factors for fleas infestations in domestic dogs and cats. Medical and Veterinary Entomology, 37 (2). pp. 359-370. ISSN 1365-2915. (doi:10.1111/mve.12636) (KAR id:99452)

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Fleas in the genus Ctenocephalides are the most clinically important parasitic arthropods of dogs and cats worldwide yet risk factors that might increase the risk of infestation in small animals remains unclear. Here we developed a supervised text mining approach analysing key aspects of flea epidemiology using electronic health records from domestic cats and dogs seen at a sentinel network of 191 voluntary veterinary practices across Great Britain between March 2014 and July 2020. Our methods identified fleas as likely to have been present during 22,276 of 1,902,016 cat consultations (1.17%) and 12,168 of 4,844,850 dog consultations (0.25%). Multivariable logistic regression modelling found that animals originating from areas of least deprivation were associated with 50% reductions in odds of veterinary‐recorded flea infestation compared to the most deprived regions in England. Age of the animal was significantly associated with flea presentation in both cats and dogs, with cases peaking before animals reached 12 months. Cases were recorded through each study years, peaking between July and October, with fluctuations between each year. Our findings can be used towards healthcare messaging for veterinary practitioners and owners.

Item Type: Article
DOI/Identification number: 10.1111/mve.12636
Additional information: For the purpose of open access, the author(s) has applied a Creative Commons Attribution (CC BY) licence to any Author Accepted Manuscript version arising.
Uncontrolled keywords: companion animals, electronic health records, epidemiology, fleas, Siphonaptera
Subjects: Q Science
Divisions: Divisions > Division of Natural Sciences > Biosciences
Funders: Biotechnology and Biological Sciences Research Council (
SWORD Depositor: JISC Publications Router
Depositing User: JISC Publications Router
Date Deposited: 23 Jan 2023 11:41 UTC
Last Modified: 20 Nov 2023 15:27 UTC
Resource URI: (The current URI for this page, for reference purposes)
Farrell, Sean:
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