A Chihuahua will only recognize one owner in its life. It needs to be fed personally from an early age so that it can become familiar with the owner's scent. When it is two months old, it will begin to recognize its owner. If a Chihuahua suddenly changes its owner after recognizing its owner, it may be very sad and refuse to eat or drink. It may also look forward to the old owner taking it home.
Chihuahuas only know one owner in their lives. It is necessary to raise the Chihuahua personally from an early age so that it can gradually become familiar with the owner's smell and develop a sense of affection for the owner. A sense of dependence, which is more conducive to recognizing the master.