Approximately what fraction of the total head length should the muzzle measure in an ideal Boston Terrier?

Answer

About one-third

Critically, the muzzle must be considerably shorter than the skull, typically measuring about one-third the length of the total head.

Approximately what fraction of the total head length should the muzzle measure in an ideal Boston Terrier?
Dogbreedphysical characteristicBoston Terrier