Mary Allen
#7 The duration of one lesson should not exceed 10-15 minutes.
#8 Half-year-old puppies are often stubborn and headstrong.
#9 By the age of 6 months, the animal wakes up a passion for domination: young Rottweilers begin to growl at the owner, and sometimes bite him.
Use punishment to put an oversized teenager in his place and establish his own authority. These include: depriving the dog of a treat, raising it from the ground, accompanied by shaking, and squeezing the muzzle.