What characteristic of the Pug is linked to Brachycephalic Obstructive Airway Syndrome (BOAS)?

Answer

The extreme short-nosed conformation (flat face)

The extreme brachycephaly, or short-nosed conformation, of the Pug directly contributes to BOAS, causing intolerance to heat and exertion.

What characteristic of the Pug is linked to Brachycephalic Obstructive Airway Syndrome (BOAS)?
DogpetbreedCanine