5 Factors That Put Your Dog at Risk for Summer Heatstroke


5. Obesity. While it is not a congenital defect like brachycephalic airway syndrome, obesity can certainly put your pet in harm's way when it comes to heat stress. It makes dogs more susceptible to many issues — like joint and back problems — and heatstroke is no exception.

Dr. Mandell explains it this way: While some heat can escape through the respiratory system through panting, "70 percent of the heat loss in dogs and cats occurs by radiation and convection through the skin." When the core body temperature rises, blood vessels dilate, the heart pumps harder, and there is increased blood flow to the skin, where heat is lost to the environment. In obese dogs, the large layer of fat under the skin serves as insulation and can prevent some of that heat from getting to the skin to be released.

One last note: An extremely thick coat of fur can cause the same situation, so you should also watch closely for signs of heatstroke if you own a furry breed like the Newfoundland or Great Pyrenees.

And if you think your dog is experiencing any of the signs of heatstroke, contact your veterinarian or local emergency clinic immediately.

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