This ELISA kit applies to the in vitro quantitative determination of Sheep PHSA concentrations in serum, plasma and other biological fluids.This ELISA kit uses Sandwich-ELISA as the method. The micro ELISA plate provided in this kit has been pre-coated with an antibody specific to PHSA. Standards or samples are added to the appropriate micro ELISA plate wells and combined with the specific antibody. Then a biotinylated detection antibody specific for PHSA and Avidin-Horseradish Peroxidase (HRP)