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) Breed type (dog) Breed type in the parlance of dog fanciers refers to the qualities that define a dog breed and separate it from all other dog breeds. "Breed type" is outlined in the written standard for each breed, and "breed type" is the basis of judging in conformation dog shows. "Breed type" encompasses appearance, character, condition, bone structure, temperament, and movement; "breed type is all these things." "Breed type" also includes a character specific to each breed, a combination of behaviour, temperament and carriage that demonstrate an essence of the breed. "He exuded breed type," writes Anne Marie Rasmussen