For puppies over 16 weeks up to 3 years.
The teenage stage! Full of peaks and valleys! In this phase of canine development it is not uncommon to see some of your great early training go south. Your pup won’t come when you call or lie down when you ask. She may start mouthing and jumping up or counter surfing. Don’t despair; there are ways to handle this turbulent stage of a dog’s development.