A large scale study in Norway showed that across all breeds, about 4% of pups will be stillborn and a further 4% will die within the first week (early neonatal mortality). Between 8 days and 8 weeks, 1% will die. Litter size, breed size and age of the female is associated with increased risk.
A large-scale study in Norway found that around 4% of puppies experience stillbirth, with an additional 4% dying within the first week of life (early neonatal mortality). Between 8 days and 8 weeks, 1% of pups die. Litter size, breed size, and the age of the mother are associated with a higher risk of death.