Rheumatoid factor (RF) is a blood test that measures the amount of the RF antibody in the blood.
Weight ranges from about 7 to 12 kilograms (15 to 26 lb) in females, and from 9 to 18 kilograms (20 to 40 lb) in males.[4] Where does a serval live? The Serval lives in Africa.
Interesting Serval Facts: 1  Serval has yellowish to orange-coated fur covered in black spots. 2  Servals are 2 to 3 Â¼ feet long. 3  Serval has the biggest ears (compared to the rest of the body) and longest legs in the world of cats.