Competitive ELISA format is often preferred for brucellosis testing due to its high specificity, reducing false positives compared to some other assay types, which matters greatly given the trade and public health implications of a brucellosis diagnosis. This kit supports serum-based screening across bovine, sheep, and goat herds as part of national or regional brucellosis control and eradication programs. Shelf life 12 months, store at 2-8°C.