The PRRS virus is very detrimental to a swine herd and can be very costly to producers. Being able to test for PRRS is crucial, the IDEXX HerdChek* PRRS 2XR test kit which can detect antibodies from European and North American strains of PRRS in pig serum, is a good tool for producers to have for early detection of the PRRS virus. This tool  has a 1:40 dilution of serum with 30,30,15 minute timing. The IDEXX HerdChek provides a fast, accurate, sensitive and easy to use tool due to the incorporation of diagnostically important epitopes representing the two major type strains of PRRSV.