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
Togo (dog) Togo (dog) Togo (October 17, 1913 – December 5, 1929) was the lead sled dog of Leonhard Seppala and his dog sled team in the 1925 serum run to Nome across central and northern Alaska. Togo was one of the offspring of Seppala's former lead dog, "Suggen". He was named after the Japanese admiral Tōgō Heihachirō. Initially, he did not look like he had potential as a sled dog. He only grew to about 48 pounds (22 kg) in adulthood, which was small compared to typical sled dogs, and had a black, brown, and gray coat that made him appear