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
Northern Inuit Dog of the Northern Inuit Dog. In the late 1980s, the founder of the breed, Eddie Harrison, bred several mixed-breed rescue dogs of unknown origin or heritage with Siberian Huskies, Alaskan Malamutes, and a specific bloodline of German Shepherd Dog, to produce the early Northern Inuit dogs. The breed's intent was to create a dog that closely resembled a wolf in appearance while possessing the gentler, more trainable character of the domesticated dog. The other story relating to this breed is that a few Canadian Eskimo Dogs or Labrador Huskys were brought into the UK from the USA in the late