Teddy dogs generally finalize their shape when they are about eight to ten months old, and there will basically not be much change after one year. Teddy’s body shape is affected by diet. Teddy dogs grow the fastest when they are five or six months old, so it is necessary to strengthen nutritional supplements to avoid malnutrition. Calcium supplements are also required. If you want the hair to look good, you can feed some hair beauty powder. .