[["A DNA variation is strongly linked to not only the pug's flat nose but also the length of the dog's face.", 64.0], ["Pugs are brachycephalic, meaning their noses are pushed in more than other dogs. Their facial structure makes it difficult to take long and deep breaths, which is why you might hear a pug snuffling while running around.", 54.0], ["To be ugly and noisy all the time", 0.0]]
why do pugs have flat noses
animals