Correlations between those changes and
the brachycephalic features of these breeds suggest that selection for this trait may have been partly responsible for the high prevalence of the disease in those dogs.
They have been bred to have
brachycephalic features (a muzzle shorter than it is wide) and have breathing problems associated with that condition.
The pug's
brachycephalic features and compact breathing passageways make them easy to overheat and strenuous exercise may lead to trouble breathing.
Special attention is needed though in not letting these dogs overexercise especially when it's hot outside;
the brachycephalic features of this breed predisposes them to breathing problems.
Not exact matches
British veterinarians reported in a survey that about 50 percent of their
brachycephalic canine patients and 25 percent of their
brachycephalic feline patients needed treatment for health issues related to their physical
features.
In
brachycephalic dogs, this babylike
features are retained for the lifetime of the dog.