How a puppy's gut processes tiny amounts differently
At 10 weeks, his digestive enzymes are still developing, but they can handle small quantities of vegetables better than rich meats or fats. The nibbled floret is likely smaller than his normal kibble pieces, so obstruction risk is minimal unless he somehow swallowed it whole without chewing—unlikely given his size.
Puppies this age explore with their mouths, so the real concern is whether he'll associate countertops with rewards. Watch for increased jumping or sniffing near where the cauliflower was left out. Train him with positive reinforcement away from kitchen edges rather than worrying about this single incident.
Why quantity matters more than the vegetable itself
A floret the size of your thumbnail is harmless, but consistent access could lead to a bellyache. Puppies lack the gut microbiome to break down large amounts of fiber efficiently. If he'd eaten half the head, you'd see bloating within hours as the undigested pieces fermented.
His stool may have a slightly greener tint tomorrow from the chlorophyll, but the volume shouldn't increase dramatically. Report white specks resembling rice grains—those could indicate parasites unrelated to the cauliflower. Normal playfulness means his system isn't stressed by this tiny amount.
When to intervene with a puppy this small
Any vomiting in a 3 kg puppy deserves attention, since dehydration happens fast. If he brings up white foam or keeps retching after the cauliflower comes up, he may have irritated his esophagus. Much likelier is no reaction at all—most puppies pass such small samples without issue.
Weigh him tomorrow morning if you're concerned; more than a 50-gram loss could signal fluid depletion. For peace of mind, mix his next meal with a teaspoon of canned pumpkin (not pie filling) to support digestion. His stomach is about the size of a ping-pong ball, so keep portions tiny.
Safe vegetable introductions for miniature breeds
Once he's 12 weeks old, steam and mash cauliflower to reduce choking hazards while preserving nutrients. Maltese often have sensitive stomachs, so introduce any new food over three days—start with half a teaspoon, watch for loose stools, then gradually increase.
Freeze small pureed portions in an ice cube tray for teething relief later. Remember that treats (including veggies) should never exceed 10% of his daily calories. At his current size, that's roughly two teaspoons total per day beyond his puppy formula or kibble.
The full verdict, portion guidance and serving notes are collected on the Cauliflower food facts page.