Kneecap slipping out of place (much more likely); Underactive thyroid (more likely)7,8
No sourced figure
Class
Lap dog
Companion
Which suits you
Size
The Schipperke comes in a wide range of sizes, 3–9 kg (6.6–20 lb) as an adult, against 1.4–3.2 kg (3–7 lb) for the Pomeranian.
Temperament
They differ most on prey drive (Pomeranian: usually fine with small pets; Schipperke: likely to chase small pets) and on activity (Pomeranian: happy with modest walks; Schipperke: a good daily walk and play).
Alike
Both are rated the same on loyalty: sticks close to its people.
Neither is the better dog in general. Which suits you depends on your home, your days and the care you can give.
Breed explains only about 9% of how individual dogs differ in behaviour9. Meet the dog. A good breeder breeds for temperament as well as health, and matches each puppy's personality to the right home10,11.
Puppy growth
Reference curves · both sexes
Summary
Detail
The Schipperke grows to the heavier adult, about 6 kg against the Pomeranian's 2.3 kg.
Expected weight in kilograms, both sexes: each breed's adult weight grown along the under 6.5 kg band of a WALTHAM growth standard12 and the under 6.5 kg band of a WALTHAM growth standard12.
O'Neill et al., 2022. Frequency, breed predispositions and other demographic risk factors for diagnosis of hypothyroidism in dogs under primary veterinary care in the UK. CC BY 4.0. ↑