Why does my puppy's breath smell really bad?
The most common causes of bad breath in dogs are bad oral hygiene and periodontal disease.
Just like in humans, The build-up of plaque and tartar can lead to The development of the bacteria that cause bad breath.
Dogs also lick because they like the taste of an owner's salty skin and out of habit.
Mostly, with domestic Dogs, it's a sign of affection.
Licking releases pleasurable endorphins which gives Dogs a feeling of comfort and pleasure — like the feeling people get when they are biting their nails — it relieves stress.
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