Before house training puppies will be started.
Age less than 20 days. Puppy are very small. He still need to drink milk from his mother. Visibility and listening still not very clear. We should leave him with mother first. Because Dog can protect its baby better. Age of about 20-30 days. Puppy will be able to get up and walking but unable to run. And he started to pay attention to things around him more.
Age of about 30-50 days. puppy begin to grow up. He will start to misbehave. Like to run back and forth. Eat well. Defecation not be the right way.
Age of about 50-90 days. The time to start training puppy. He will be remembered well. But you have to train him with equanimity and slowly. So that puppy can be recognized easily.
Dogs in childhood often playful. Like to bite things. If you are not prepared to give him anything to bite. Many of your belongings will be destroyed by him !!! So if he has a toy for bite, He will not bite your items anymore. Because he can remember smell of his toys. He will not go to bite anything else. This is a puppy training at the same time.
For families with children in it. It is the difficulty of puppy fed. Because of the nature of children often like puppy. Children often think that puppy is a doll that be able to move. So the children would like to hold puppy all the time. Which children may be a disease by hair of puppy. Solutions. Your should be separated puppy from the children. Waiting until children are grown and stronger. So you can let children play with dogs.