Impact of size, head shape and sex of purebred dogs on lifespan
Conclusion: regular-headed, female, small dog breeds live the longest! πΆπβπ¦Ί. The study cited below tells us that for purebred dogs the average lifespan depends on the shape of the head and its size. Gender also has an impact. Head shaped is defined below: Comment: regular-headed dogs live the longest. Long-faced dogs live longer than …