Just as in humans, the heart of a pet is muscle consisting of four chambers. Valves separate the chambers preventing blood from flowing back. Blood is sent to the lungs where it receives more oxygen and then travels throughout the body. If dogs develop heart disease, it is usually in the valves, occasionally in the […]
Vital Statistics: Place of Origin: Russia Group: Guard dog, Terrier Height: 26-30 in. Weight: 80-130 lbs. Life span: 10-12 yrs. Trainability: high Good with children: yes, but may herd them Good with other pets: yes,with family pets What is the origin of the Black Russian Terrier? In the 1940s the Soviet military’s need for a […]
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