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Can Dogs Eat Tuna?
Verdict
Feed with caution
Why it is risky
Tuna is a good protein source, but it contains more mercury than smaller fish, so it's best as an occasional treat. Tuna in brine is salty and tuna in oil is fatty — choose tuna in spring water.
Safe portion
A teaspoon to a tablespoon of drained tuna in spring water, occasionally.
Always consult your vet. If your dog has eaten something you're worried about — or shows any unusual symptoms — call your veterinarian immediately. In the UK, pet owners can also call Animal PoisonLine (run by the Veterinary Poisons Information Service) on 01202 509000, a 24-hour paid triage service. This page is editorial guidance, not emergency advice for an individual animal.