2, repeated training and changing the location, you can also ask strangers to give the puppy food, the owner must strictly prohibit the password, the puppy does not eat or bark, you should give rewards in time, you can also give food rewards.
After the success of this training, the puppy has developed the habit of not being picky about food and not eating food given by strangers. Although the food is in front of us, the puppy won't eat without the owner's permission, and he won't dare to eat unless the owner gives the order.
4. Every dog has the instinct to learn all kinds of skills, but the degree of mastering skills often varies from dog to dog, which is related to the breed, personality, age and nerve type of the dog. Therefore, trained dogs should be strictly selected. Of course, due to different purposes, the conditions for selection are also different.