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
Landseer dog Landseer dog The Landseer is a dog breed. The breed is not recognized by all kennel clubs . It is not to be confused with a white and black Newfoundland, which is also often called a "landseer". The breed was named after the British painter Sir Edwin Henry Landseer, because in 1838 he created the painting "A Distinguished Member of the Humane Society", which shows a dog of this breed. The Landseer Newfoundland dog is known for its sweet disposition, gentleness, and serenity. They enjoy swimming and tend to drool, though not as much as some other giant breeds. During