Value of using preventive pet parasiticides

A recent letter, ‘Environmental pollution from pet parasiticides’ by Christopher Little and Alistair Boxall ( VR , 25 January 2020, vol 186, p 97), raised concerns about the possible impact of medicines used for the treatment of endo- and ectoparasites in dogs and cats. The letter also questions and challenges the prophylactic use of antiparasitic medicines in companion animals. The animal health industry would like to draw readers’ attention to a previous letter in Vet Record detailing the …