The bovine IL-4 ELISA development kit is ideal for users who want the flexibility of setting up their own ELISA assay. This product enables quantification of bovine IL-4 in solution, e.g. in cell culture supernatant. The kit contains a matched pair of monoclonal capture and detection antibodies, Streptavidin-HRP and ELISA standard. Plates and substrate are not included. Cross-react with IL-4 from sheep. Range: 20-2000 pg/ml