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
Small Greek Domestic Dog It is always in motion, showing the dog's joy. The coat of this dog forms a brush under its tail. This breed of dog has large eyes which vary in shape from round to more of an almond shape. They are bright, intelligent, and are not deep-set. The color goes with the color of the coat, but they will never be transparent or blue. The muzzle "tapers easily to the nose", and the topline is level. The nose of the Small Greek Domestic Dog has well-opened nostrils. It is not too large compared to the muzzle, and it is moist,