The Rabbit IL-21 polyclonal antibody is labeled and has been qualified for use in ELISA. It is the detection antibody in the Kingfisher Biotech Rabbit IL-21 ELISA. The Rabbit IL-21 antibody was produced in chickens and is antigen-affinity purified. The reactivity by species is: (Atlantic Salmon IL-21 - None) (Bovine IL-21 - None) (Canine IL-21 - None) (Chicken IL-21 - None) (Rabbit IL-21 - Strong) (Ovine 21 - Weak) (Swine IL-21 - None). For research use only. Made in the USA