Your puppy, once a cute little ball of fluff, has suddenly grown bold; the growl of another dog on the pavement doesn’t scare off your pup like it used to – instead, your dog keeps pestering.
Like a real teenager, you might say. Puberty affects dogs just like humans, though when they undergo this difficult time varies. “For male puppies, the beginning of puberty begins between five and 18 months, and for female dogs, it starts between six and 12 months, ” says Professor Sandra Goericke-Pesch, from a German vet university.