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
Cordoba Fighting Dog Cordoba Fighting Dog The Cordoba Fighting Dog is an extinct breed of fighting dog. The Cordoba was a crossbreed of Alano Español, Mastiff, Bull Terrier, Bulldog and Boxer.. Its temperament includes being very fierce, very aggressive, strong, vigorous, and relentless (high stamina). The Cordoba Fighting Dog originated in Córdoba, Argentina. It was noted for its willingness to fight to the death and its high pain tolerance. In addition, many members of this breed died in the dog fighting pits, contributing to the breed's extinction. The Cordoba was capable of hunting in a small pack of a male and female; otherwise