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.
The serval has the longest legs of any cat relative to its body size. Active in the day as well as at night, servals tend to be solitary with minimal social interaction. Both sexes establish highly overlapping home ranges of 10 to 32 km2 (3.9 to 12.4 sq mi), and mark them with excrement and saliva.