The smallest pet breed on the planet, the Chihuahua was discovered in Mexico in 1850, and also consequently introduced to America. The popularization of the Chihuahua as a pet dog was a result of media insurance coverage provided to stars who take on Chihuahuas as pet dogs such as Marilyn Monroe and also Paris Hilton. There are two official Chihuahua breeds acknowledged by the American Kennel Club today. These are the Long-haired Chihuahua pros and cons of chihuahuas as well as the Short-haired Chihuahua. Unofficially, other various breeds of Chihuahuas exist. These consist of the Teacup Chihuahua, Mini Chihuahua as well as Toy Chihuahua amongst others. The origins of these unofficial names were a outcome of Chihuahua breeders that call their dogs appropriately based upon their complete grown up size. The Long-haired Chihuahua is identified by their smooth undercoat and long topcoat. The structure of its coat is long, smooth as well as thin to touch. The Long-haired Chihuahua has big eyes and erect ears, similar to that of a Pomeranian. As a matter of fact, it is simple for the majority of people to mistaken a Long-haired Chihuahua for a Pomeranian provided such comparable characteristics. Remarkably, this Chihuahua breed loses little hair as contrasted to its Short-haired cousin. As a result, it is relatively popular with people that experience from allergic reactions. Its lengthy overcoat of hair can take a fairly lengthy time to reach its complete grown up size, in the majority of instances as long as a couple of years. It is essential for owners of this breed of Chihuahua to often brush the hair of their Long-haired Chihuahua to prevent tangles that may strike the hair of the Long-haired Chihuahua. It is likewise important for proprietors of the Long-haired Chihuahua to bathroom their pet dogs on a routine month-to-month basis to prevent fleas and also to keep health standards of their Long-haired Chihuahua. Somewhat, the Short-haired Chihuahua as its name recommends has a shorter coat of hair as contrasted to its Long-haired cousin. Appearance of the topcoat of this type of Chihuahua is additionally different as compared to the Long-haired Chihuahua. Informal breeds of Chihuahuas such as the Teacup Chihuahua, Mini Chihuahua and Toy Chihuahua. These breeds of Chihuahuas are relatively smaller sized as compared to normal Chihuahuas. Amongst these informal types, the Teacup Chihuahua is the most prominent as a outcome of extensive media protection of Paris Hilton's Teacup Chihuahua, Tinkerbell Hilton. Regardless, Chihuahuas are reasonably fragile pet dogs as well as unique attention have to be accorded to caring for them. Chihuahua adoption is additionally a lasting dedication as the ordinary life-span of these canines is between 11 - 18 years. Offered such, its is very important for possible owners to take into consideration very carefully their capability to commit to their pet dogs before embracing one. These include the Teacup Chihuahua, Mini Chihuahua and Plaything Chihuahua amongst others. It is essential for owners of this type of Chihuahua to often comb the hair of their Long-haired Chihuahua to protect against tangles that may take place to the hair of the Long-haired Chihuahua. It is also crucial for owners of the Long-haired Chihuahua to bath their pets on a normal month-to-month basis to protect against fleas as well as to preserve hygiene criteria of their Long-haired Chihuahua. Appearance of the overcoat of this breed of Chihuahua is additionally different as contrasted to the Long-haired Chihuahua. Unofficial types of Chihuahuas such as the Teacup Chihuahua, Mini Chihuahua and Toy Chihuahua.