Best dog food for an Irish Terrier
An Irish Terrier is a lean, athletic working terrier with a wiry coat and a genuinely high energy level for its size, and that is the main thing to feed for: enough protein and calories to support real activity, without excess weight sitting on a breed built to move. There is no single 'best' food — the right choice depends on your individual dog's age, activity and any sensitivities.
Feeding a Irish Terrier
A medium breed
An adult Irish Terrier typically weighs 11–12 kg, so a healthy Irish Terrier eats a moderate amount compared with other breeds. Every feeding guide on a bag is written per kilo of body weight, not per breed — start there, then adjust to the dog in front of you.
Life stage
A medium breed is usually done growing at ~12 months, which is roughly when a puppy food has finished its job. With a typical lifespan of 12–15 years, there is a long adult stretch in the middle; switch to a senior food when your vet thinks it is worth it rather than on a birthday.
A high-energy dog eats like one
Irish Terriers sit at the top end for energy, and a dog working through an hour and a half of real exercise a day burns through the feeding guide faster than a dog on a short stroll. Feed to the dog's condition, not to the middle of the range on the bag.
How much should a Irish Terrier weigh?
Adult 11–12 kgfully grown at ~12 months
| Age | Stage | Typical weight | Of adult size |
|---|---|---|---|
| 8 weeks | Just home | 1.7–1.8 kg | 15% |
| 3 months | Young puppy | 2.8–3 kg | 25% |
| 6 months | Growing fast | 5.5–6 kg | 50% |
| ~12 months | Fully grown | 11–12 kg | 100% |
A guide, from the same rule of thumb our puppy growth predictor uses — each age is that share of the way to maturity for a medium breed. Puppies grow fastest early, so a real puppy usually sits a little above the middle rows. Weigh yours and ask your vet if the number worries you.
Complete dog foods that suit a Irish Terrier
Complete foods from our range, matched to a Irish Terrier's size band and what the breed typically needs. Stock levels and delivery dates are live on each product.
Simpsons Dog Sensitive Lamb Potato
A grain-free lamb and potato dry food for dogs with sensitive skin or digestion
From£17.05
Forthglade Cold Pressed Natural Turkey
Cold-pressed turkey kibble for dogs from 2 months, soft enough to mix with water for young pups
£45.99
Forthglade Cold Pressed Grain Free Salmon
Cold-pressed grain-free dry food for dogs, built on fresh and dried salmon
From£16.99
Forthglade Cold Pressed Grain Free Duck
Cold-pressed grain-free duck food with fruit and botanicals, in two bag sizes
From£16.99
Forthglade Cold Pressed Grain Free Chicken
Cold-pressed grain-free chicken food with fruit and botanicals, in three bag sizes
From£16.99
Forthglade Complete Meal Lightly Baked Turkey
A lightly baked complete dry food, 50% turkey, for adult dogs of any breed
From£12.49
Forthglade Complete Meal Lightly Baked Chicken
A grain-free complete dry food for adult dogs, lightly baked and built on 50% chicken
From£12.49
Forthglade Cold Pressed Grain Free Turkey
Grain-free cold-pressed turkey kibble for dogs, gentle on sensitive stomachs
£69.69
Forthglade British Classics Chicken Family Lunch
Complete Forthglade wet dog food with 75% chicken in a 395G tray
£2.45
Harringtons Puppy Turkey & Rice
Complete turkey puppy food with 30% protein and feeding bands by adult weight
£6.49
Harringtons Just 6 Dry Dog Food Lamb
Grain-free lamb dry dog food in 2KG and 12KG sizes, with size-specific formulas
From£13.99
Burns Puppy Original Lamb & Rice
Complete Burns lamb and rice puppy food in a 2KG bag for up to 12 months
£14.99
What this breed needs from its food
Irish Terriers are working-bred dogs, originally used for hunting and vermin control, and many retain a genuinely active, food-driven temperament. A food with a reasonable protein content and moderate-to-high energy density suits an active adult better than a low-calorie 'light' recipe, unless your individual dog is overweight or notably sedentary.
The wiry double coat this breed carries benefits from a diet that supports skin and coat condition, which in practice means checking for a named meat protein near the top of the ingredients list rather than a heavily cereal-based recipe.
Common sensitivities to watch for
Like many terrier breeds, Irish Terriers can be prone to skin irritation and itching, and some owners find a sensitive-stomach or limited-ingredient recipe helps where a standard food does not agree with their dog. This is an individual thing rather than a breed-wide rule — plenty of Irish Terriers do fine on a standard complete food.
If you notice ongoing itching, redness or ear irritation, that is worth raising with your vet before changing food repeatedly, since a food change alone will not resolve an underlying skin or allergy issue that needs proper investigation.
Choosing between wet and dry
A quality dry food is the practical everyday choice for most owners, and is what the grid below is built from, with wet food or a mixer useful as a way to add moisture or tempt a fussier eater. Whichever you choose, check the feeding guide on the specific pack rather than relying on a generic amount, since energy density varies noticeably between recipes.
Some owners mix a small amount of wet food into dry kibble for a dog that is a slow or reluctant drinker, since the added moisture can help with overall hydration alongside a normal water bowl. This is a matter of preference rather than a requirement — plenty of Irish Terriers do perfectly well on dry food alone with fresh water available.
Common questions
- Are Irish Terriers prone to any specific dietary problems?
- Some individuals are prone to skin sensitivity, which occasionally shows up as a reaction to certain ingredients, but this varies dog to dog rather than being universal to the breed. Persistent skin issues are worth discussing with your vet rather than working through foods by trial and error.
- How much should an adult Irish Terrier eat?
- This depends on the specific food's calorie density, your dog's weight and how active they are, so use the feeding guide on the pack as a starting point and adjust based on your dog's body condition over a few weeks.
- Is grain-free food better for an Irish Terrier?
- Not automatically. Grain-free suits dogs with a specific sensitivity to wheat, rice or oats, but it is not inherently healthier for every dog of this breed. Choose based on how your individual dog does on a food rather than the grain-free label alone.
Related
Written by Matt Garnett, who runs Giddy Pets and is a lifelong pet owner — not a vet. This is general information, not veterinary advice, and it cannot replace an examination by the vet who knows your animal. How we write these guides.