Bruising or discoloration, Cold feet, Cold hands and Fatigue. WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms bruising or discoloration, cold feet, cold hands and fatigue including Bruise or contusion, Raynaud phenomenon, and Hematoma.
The approximate blood volume of a rat is 55-70 ml/kg of body weight. For a 300 g rat this is equivalent to 17-21 ml (5). Single sample: Without fluid replacement, the maximum blood volume which can be safely removed for a one time sample is 10% of the total blood volume or 5.5-7 ml/kg.
The PCV is the percent of blood, that is cells, compared to the total volume of blood. In normal dogs and cats, 40-50% of the blood is made up of blood cells and the remainder is fluid. Blood and urine tests are performed to get an initial overview of the health, and sometimes the function, of body organs.