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Table 5 Recommended canine deworming frequencies based upon country risk assessments

From: Survey of European pet owners quantifying endoparasitic infection risk and implications for deworming recommendations

Dogsa France Germany Spain Sweden UK
Puppy Monthly Monthly Monthly After 3 and 6 months Monthly
Only exercised in garden, supervised 1–2× yearly 1–2× yearly 1–2× yearly 1–2× yearly 4× yearly
Catches animals Monthly Monthly Monthly 4× yearly Monthly
With children/elderly Monthly Monthly Monthly No change in deworming based upon this risk Monthly
Allowed off-lead > 4× yearly > 4× yearly > 4× yearly 4× yearly > 4× yearly
Fed/eats raw meat > 4× yearly > 4× yearly > 4× yearly 4× yearly > 4× yearly
Eats slugs/snails Monthly Monthly Monthly 4× yearly Monthly
  1. aIf “Yes” in survey