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
Mantiqueira Shepherd Dog Mantiqueira Shepherd Dog The Mantiqueira Shepherd Dog () is a herding dog breed which originated in the Mantiqueira Mountains that stretch across the Southeast region of Brazil. This dog breed is recognized by the SOBRACI in Brazil. Evidence pertaining to the origin of the Mantiqueira Shepherd remains inconclusive, but it is widely believed that they descended from working dogs that were bred in Brazil and were popularly referred to as ""policial"" (a variety of German Shepherd used by police). This may explain the local name by which they are still referred to in the Mantiqueria region. Due to their appearance