Streptococcus dysgalactiae ELISA assay results from sheep serum samples (n=362) The anonymised data set includes the following information SAMPLE_ID, ANIMAL (ewe or lamb), STUDY (longitudinal or observational), FARM (longitudinal or observational),, FARM_NO (Farm ID), PCR RESULT (binary), ELISA RESULT (binary), ANTIBODY TITRE In addition data used for ROC curve production Sample ID, Antibody_Titre, Log10Ab, Outcome