Concern has been expressed in the profession about environmental contamination from products used in companion animal treatment for ectoparasites, such as fleas and ticks.
In recent years there has been a widely documented fall in the abundance of many terrestrial invertebrate populations1.
While the decline has been mostly linked to agricultural chemicals, there is a concern that companion animal ectoparasiticides could also be a contributing factor, with a recent study2 confirming the presence of common compounds used in flea-treatment3 in UK waterways.
However, the association with companion animal ectoparasiticides is currently poorly understood, with a significant knowledge gap and little robust research available to assess the true importance and environmental consequences.
The funded project ‘Assessing the Environmental Risk from Ectoparasite Treatments in Companion Animals’ will be led by Professor Richard Wall, Professor of Zoology and Dr Emily Bell, Senior Lecturer at University of Bristol in collaboration with Dr Imogen Schofield, Veterinary Statistician and Epidemiologist at CVS, and Lizzie McLennan-Green, Small Animal Veterinary Director at CVS.
It will be conducted via a PhD studentship at the University of Bristol as part of the CVS Clinical Research Awards.
The research will include a longitudinal ‘citizen science’ study with pet owners to develop a greater understanding of owner use and attitudes towards ectoparasiticides.
It will also include laboratory assessments of ectoparasiticide residues collected from companion animals to provide evidence-based information on the potential environmental impact of the treatments when applied to companion animals.
It is hoped the study will help the wider veterinary profession develop the most appropriate approaches to prescribing and use of ectoparasiticides in the future, and inform educational strategies to support owners with ‘responsible use’. The study is also set to benefit companion animals, as the research will inform strategies to ensure the most appropriate control of parasitic burden to pets.
The project starts in January 2023 and will run for three-years as a full time PhD.
CVS is providing £95,000 to fund the research.
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