Ceregrzyn, Michał
Naz, Hina
Lavan, Robert P.
Armstrong, Rob
Funding for this research was provided by:
Merck Animal Health
Article History
Received: 5 November 2025
Accepted: 12 March 2026
First Online: 22 July 2026
Declarations
Ethics approval and consent to participate: All records had the pet owners’ and the pets’ identities concealed before accession.
Consent for publication: Not applicable.
Competing interests: The authors (MC, RL, and RA) are employees of Merck Animal Health and MSD Animal Health, a producer of ectoparasitic medicines.