Breed explains only about 9% of how individual dogs differ in behaviour10. Meet the dog. A good breeder breeds for temperament as well as health, and matches each puppy's personality to the right home11,12.
Puppy growth
Reference curves · both sexes
Summary
Detail
Both grow to much the same adult weight, about 38 kg.
Expected weight in kilograms, both sexes: each breed's adult weight grown along the 30–40 kg band of a WALTHAM growth standard13 and the 30–40 kg band of a WALTHAM growth standard13.
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. ↑
Barry et al., 2025. Epidemiology of haemangiosarcoma diagnosed in dogs under primary veterinary care in the United Kingdom: Frequency and risk factors. CC BY 4.0. ↑