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 club (dog) In the United States, AMBOR is a very active club which organises activities for mixed-breed dogs only. Breed club (dog) A dog breed club is an association or club of fanciers of a single, specific breed of dog. "Breed clubs" define the breed with which the club is associated in a document called a breed standard, although there may be multiple "breed clubs" for the same breed, each defining the breed in a somewhat different manner. "Breed clubs" are "not" scientific organisations, nor are breed standards meant to be scientific descriptions of a breed. "Any" fancier or group of fanciers