Best dog food for a Newfypoo
A Newfypoo — a Newfoundland crossed with a Poodle — grows into a genuinely large dog, often well over 30kg as an adult, which puts controlled growth during puppyhood at the centre of feeding one well. A large or giant-breed puppy food, followed by a food suited to a big, moderately active adult, is the sensible path rather than any generic all-breed formula.
Feeding a Newfypoo
A giant breed
An adult Newfypoo typically weighs 32–70 kg, so a healthy Newfypoo eats a lot, and the sack size matters as much as the recipe 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 giant breed is usually done growing at 18–24 months, which is roughly when a puppy food has finished its job. With a typical lifespan of 8–12 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.
Joint support is worth looking for
Their size and frame put more load through the joints than a smaller dog carries, so a food with joint support on the label is worth reading for — and keeping them lean does more for their joints than any supplement.
Weight matters more than usual here
A long back or a heavy frame makes every extra kilo count twice. Weigh portions rather than eyeballing a scoop, and reduce the food rather than the walks if the waist starts to disappear.
How much should a Newfypoo weigh?
Adult 32–70 kgfully grown at 18–24 months
| Age | Stage | Typical weight | Of adult size |
|---|---|---|---|
| 8 weeks | Just home | 2.8–6.2 kg | 9% |
| 3 months | Young puppy | 4.6–10 kg | 14% |
| 6 months | Growing fast | 9.1–20 kg | 29% |
| 12 months | Adolescent | 18.3–40 kg | 57% |
| 18–24 months | Fully grown | 32–70 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 giant 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 Newfypoo
Complete foods from our range, matched to a Newfypoo's size band and what the breed typically needs. Stock levels and delivery dates are live on each product.


Field & Trial Skinner S Field Trial Light Senior
A lower-fat dry food for older, overweight or less active dogs, including working breeds
From£9.85

Autarky Complete Grain Free Adult Turkey
Grain-free complete dry food for adult dogs, with turkey and a marine-algae joint care package
£12.79

Autarky Grain Free Tasty White Fish & Potato Complete
Grain-free dry dog food built around white fish meal rather than poultry
£12.99

Lily's Kitchen Lily S Kitchen Dog Lovely Lamb
Complete lamb-led dry dog food offered in two practical bag sizes
From£25.15


Burns Adult Large/Giant Breed Chicken and Brown Rice
Complete large-breed dry dog food with 23% chicken and brown rice
£59.99

Burgess Greyhound and Lurcher Chicken
Complete adult dry food formulated for the specific build of greyhounds and lurchers
£35.35


Naturo Senior Rice Poultry Variety 6pk
Six 400g trays across three recipes for senior dogs, with glucosamine and chondroitin
£10.29

Naturo Senior Dog Turkey with Rice and Vegetables 7pk
Turkey at 65% in a senior wet tray, with brown rice, vegetables and added joint support
£11.99

Vitalin Adult Dog Pork with Apple
Complete dry food for adult dogs of any age, led by pork, with citrus extract for dental support
From£11.99
Why growth rate matters so much for a giant-breed puppy
Large and giant-breed puppy foods are formulated to control the rate of growth rather than maximise it, with a calcium and phosphorus balance designed to support joint development without a puppy growing too fast for their skeleton to keep up. Feeding a standard puppy food, or simply overfeeding a large-breed puppy, is linked to a higher risk of joint problems later in life.
A Newfypoo puppy can look deceptively small early on before a genuine growth spurt takes hold, so weighing regularly and adjusting the amount fed as they grow — following the specific food's guidance for a large or giant breed — matters more than judging by eye.
Feeding a full-grown Newfypoo
Once fully grown, a Newfypoo needs a food built for a big, moderately active dog, with enough calories to maintain their size without encouraging further weight gain — a genuinely large dog carrying extra weight puts real strain on joints already working hard to support that frame.
Both parent breeds can be prone to joint issues in their own right, so many owners of large mixed breeds like this one also look at a food or supplement that supports joint health as their dog reaches middle age, alongside keeping them at a healthy weight throughout.
Common questions
- How big does a Newfypoo get?
- As a Newfoundland cross, a Newfypoo typically grows into a genuinely large dog, often exceeding 30kg as an adult, though exact size varies with the individual cross. This size is the main reason controlled growth as a puppy matters so much for this cross.
- Should a Newfypoo puppy eat a large-breed puppy food?
- Yes, a large or giant-breed puppy food is generally the better choice, since it is formulated to support controlled growth rather than rapid growth, which matters for a dog expected to reach a large adult size.
- Are Newfypoos prone to joint problems?
- Both parent breeds can be prone to joint issues, so it is a sensible thing to be aware of as your dog matures. Keeping them at a healthy weight throughout their life is one of the more meaningful things an owner can do to reduce unnecessary strain on their joints.
- When should a Newfypoo move from puppy to adult food?
- Large and giant breeds generally take longer to finish growing than small breeds, often well into their second year, so ask your vet when to make the switch rather than assuming a fixed age that applies to every dog.
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.