Chihuahua (dog) The affected chihuahua will hold its leg flexed, and foot off the ground until the quadriceps muscle relaxes and lengthens, after which the animal feels no discomfort and continues with activity. Chihuahuas are also prone to some heart-related disorders, such as heart murmurs and pulmonic stenosis, a condition in which the blood outflow from the heart's right ventricle is obstructed at the pulmonic valve. Chihuahua (dog) The Chihuahua () is the smallest breed of dog and is named after the state of Chihuahua in Mexico. Chihuahuas come in a wide variety of colors, and two coat lengths. The Chihuahua's history
Breed type (dog) all-breed judges may not be knowledgeable about all of the details of each breed's "breed type". The director of the Bedlington Terrier Club of America writes of the Bedlington Terrier's standard for gait that "all too often, judges either ignore [the standard's] description or completely lack knowledge of it." Even judging that adheres strictly to the standard tends to reward the most outgoing and energetic (showy) dog. In order to win, showing "must be fun for the dog." But for some breeds, excessive showiness is in opposition to the "breed type" and should not be rewarded. The American Kennel Club