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.
Antler length can range from 11 to 19 inches to better than 30 inches depending on the species. Stags also sport a distinctive mane while in the rut. The average weight for an adult stag is 160-220 pounds.