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Personality. Small and sassy, the Chihuahua is the tiniest of all dog breeds, often weighing in at less than four pounds. Their personalities are varied, ranging from shy and timid to plucky and outgoing. All Chihuahuas are fiercely loyal to the people they love, and eat up as much attention as they can get.he ease of training a Chihuahua depends upon the dog itself, and it's own particular bloodline. Whereas some dogs can be trained out of fearfulness, timidity, aggression or rowdy behavioral, a Chihuahua's temperament is determined solely on his genetics.
The Chihuahua is the smallest of all breeds and has the distinction of being the oldest breed in America. They were named after the Chihuahua region in Mexico.It is believed that this breed descended from ancient breed that was larger in size and highly prized by Aztec royalty. The Chihuahua of today has a very fine bone structure, but are actually quite muscular.he Chihuahua can be difficult to train, but with patience, love, and consistency do well. They respond best to positive reinforcement. Chihuahuas can be housetrained by either the crate method or the paper training method. Early, extensive, and intensive socialization is an absolute must for this breed.