The Bovine IL-1 Receptor Antagonist (IL-1ra) polyclonal antibody is unlabeled and has been qualified for use in ELISA and Western blot applications. It is the capture antibody in the Kingfisher Biotech Bovine IL-1 Receptor Antagonist ELISA. The Bovine IL-1 Receptor Antagonist polyclonal antibody was produced in goats and is antigen-affinity purified. The reactivity by species is: (Bovine IL-1RA - Strong) (Canine IL-1RA - None) (Equine IL-1RA - None) (Swine IL-1RA - Weak). For research use only. Made in the USA