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
Karakachan dog pets. When U.S. President George W. Bush visited Bulgaria in 2003, Bulgarian side presented him with a karakachan shepherd. The Bulgarian Prime Minister Boyko Borisov gave a Karakachan dog, called Buffy to Russian PM Vladimir Putin as a gift in 2010. Karakachan dog The Karakachan is a breed of dog that originated in Bulgaria as a mountain livestock guardian dog. Other names are Ovcharsko kuche and Thracian Mollos. The dog is named after the Karakachans, Balkan nomadic shepherds. Due to their conservative stock-breeding traditions, they have preserved some of the oldest breeds of domestic animals in Europe: the Karakachan sheep,