Pets — source catalog

European risk-based deworming; Toxocara control; no evidence for widespread Toxocara resistance in their assessment.

US guidelines; often year-round prevention in many regions due to continuous environmental exposure.

Selective/risk-based deworming; fecal tests; avoid unnecessary routine “just in case” (resistance logic).

Zoonotic potential from dog/cat roundworm in the environment (complementary One Health context).

High rates of intestinal parasites in park dogs; Giardia frequent; environmental samples often positive.

Higher burden with chronically/seriously ill pets; link to stress, anxiety, depressive symptoms and quality of life.

Same mechanisms as human caregiving — time, guilt, money, sleep.

Confirmed reduced fenbendazole effect against horse roundworm on Swedish studs — warning scenario.

Documented resistance to benzimidazoles and macrocyclic lactones.

MDR to benzimidazoles, pyrantel and macrocyclic lactones; greyhound lines and spread via dog parks/daycare.

ESCCAP: lacks evidence for established Toxocara resistance; Swedish efficacy studies with fenbendazole/Axilur report good effect against T. canis.

50 mg/kg × 3 days etc.; safety profile at labeled dose.

Dear Veterinarian Letter: rare hypoplasia/pancytopenia with longer extra-label courses.