Why don t dogs sweat?

When the water evaporates, it takes energy with it, cooling down the organism in the process. Although dogs don't sweat profusely and visibly the way humans do, they definitely have sweat glands that secrete sweat in response to heat. ... The primary cooling mechanism for dogs is panting. read more

Sweating is a physiological response to heat where sweat glands secrete salty water. When the water evaporates, it takes energy with it, cooling down the organism in the process. Although dogs don't sweat profusely and visibly the way humans do, they definitely have sweat glands that secrete sweat in response to heat. read more

The point is not whether it is beneficial not to have sweat glands but why they don't have them yet. Actually, dogs DO have sweat glands under their feet and some glands that can secrete an oily predecessor to actual sweat. There are a number of problems with sweating and pelt. read more