The nasal roll in Pugs is used n conjunction with other methods and grading schemes to assess Pugs for the breathing problem known as BOAS (Brachycephalic Obstructive Airway Syndrome).
The nasal rolls in pugs is graded from 1 to 4. The image below, developed and endorsed by the University of Cambridge outlines the difference in each grade.
![](https://northernpugdogclub.org.uk/wp-content/uploads/2023/02/GRADING-NASAL-ROLL.jpg)