What to feed a Cavapoo
A Cavapoo — a Cavalier King Charles Spaniel and Poodle cross — generally does best on a small-breed complete food with a genuinely small kibble size, since both parent breeds are on the smaller side, alongside keeping an eye on the sensitivities that can come from either side of the cross rather than assuming crossbreed automatically means fewer health considerations.
Popular with owners of this breed: slow feeder bowls and licking mats.
What a Cavapoo inherits from each parent breed
As a cross, a Cavapoo can lean toward the traits of either parent, or a mix of both, which makes it worth knowing what each side brings. Cavalier King Charles Spaniels are prone to certain heart and joint conditions and can be food-motivated enough to overeat if allowed, while Poodles are a generally robust breed but can carry their own sensitivities depending on the line. That variability means one Cavapoo's ideal food can differ meaningfully from another's, even within the same litter.
Because Cavapoos are a genuinely small dog as adults, a kibble sized for a small or toy breed is usually easier for them to eat comfortably than a standard medium-breed kibble, which is worth checking regardless of what a bag's general size category claims.
Puppy, adult and weight management
A small-breed puppy formula suits a growing Cavapoo puppy well, since small breeds mature faster than large ones and don't carry the same slow-growth requirements as a large or giant breed puppy. Once fully grown, usually by around ten to twelve months for a dog this size, a standard small-breed adult food is generally appropriate.
Cavapoos, and Cavaliers in particular, have a reputation for being persistent about food and prone to carrying extra weight if treats and portions aren't watched carefully. Measuring food rather than free-feeding, and accounting for treats within the day's total calories rather than on top of it, matters more for this breed than for some others.
What to look for on the label
A named protein, a small-breed kibble size, and a food labelled complete for your Cavapoo's current life stage are the essentials. If your dog shows signs of a sensitive stomach or skin irritation, a limited-ingredient or single-protein recipe is a reasonable next step to try, introduced gradually alongside their current food.
Keep half an eye on weight through regular condition checks — you should be able to feel, though not necessarily see, your Cavapoo's ribs under a light covering — since this is a breed where a food change is sometimes really a portion-size conversation in disguise.
Foods that suit this breed
Everything below is in stock with us, priced with delivery worked out, and packed and posted by hand in the UK.

Pedigree Tasty Minis Puppy Treats Chewy Cubes with Chicken
Soft chewy puppy training treats with 13% chicken and added calcium, 125g
£2.25

Forthglade Complete Puppy Chicken with Liver Grain Free — 18 x 395g Trays
Sold as a case: 18 x 395g trays. A complete grain-free wet food for puppies, built on 71% chicken and 4% chicken liver
£35.89

Harringtons Puppy Turkey & Rice
Complete turkey puppy food with 30% protein and feeding bands by adult weight
£6.49

James Wellbeloved Grain Free Puppy/Junior Dry Dog Food Turkey & Veg
Grain-free turkey and potato kibble for puppies and junior dogs, evenly balanced recipe
£12.75

Wagg Puppy Treats
Puppy Treats in a 120G pack, with 23.2% protein and 7% fat and full label detail
£1.49

Burns Puppy Junior Original Chicken Rice
A complete puppy and junior food with dried chicken 31% and controlled fat at 15%
From£14.99

Lily's Kitchen Puppy Chicken Recipe — 6 x 400g Tins
Sold as a case: 6 x 400g tins. Complete 400G wet puppy chicken recipe with 67% fresh chicken
£22.79

Pooch & Mutt Puppy Bite Size Beef Jerky
Bite-size beef jerky training treats for puppies, scaled by dog size
£3.99

Whimzees Puppy
Softer dental chews for puppies over three months old, grain free and gluten free
£7.99

Burns Grain Free Puppy Duck Potato
Grain-free duck and potato puppy food with a prebiotic, for starting a new litter on a novel protein
From£16.49

Lily's Kitchen Puppy Recipe Chicken — 10 x 150g Trays
Sold as a case: 10 x 150g trays. Complete 150G puppy chicken recipe with 67% chicken and salmon oil
£16.89
Common questions
- Do Cavapoos need small-breed dog food?
- It's generally the better fit, since Cavapoos are a small adult dog and a smaller kibble is easier for them to eat comfortably. A standard-sized kibble isn't dangerous, but many owners find their Cavapoo eats more easily and enthusiastically with a size matched to their mouth.
- Are Cavapoos prone to weight gain?
- Many are, particularly given the Cavalier side's reputation for being food-motivated. Measuring portions carefully and accounting for treats within the daily total, rather than adding them on top, is one of the more practical ways to manage this.
- When does a Cavapoo puppy move to adult food?
- Usually somewhere around ten to twelve months, since small breeds mature and finish most of their growth earlier than larger dogs. Check the specific food's guidance and your puppy's own development rather than relying on a fixed date alone.
- Can Cavapoos have grain in their food?
- Yes, most Cavapoos have no issue with grain-inclusive food, and grain-free isn't inherently better unless your dog has shown a specific sensitivity. Choose based on how your individual dog does on a food rather than assuming grain-free is automatically the healthier option.
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.
