This mouse monoclonal antibody provides sensitive, specific detection of Brucella abortus antigens, supporting ELISA, Western blotting, and pathogen‑surveillance assay development. Clone 101 recognizes a defined epitope, enabling reliable detection in complex biological samples with minimal background. Its strong affinity and clean signal make it suitable for veterinary diagnostics, vaccine research, and studies of Brucella pathogenesis. MBCA‑55A‑101 delivers consistent performance across repeated assays, ensuring dependable antigen detection in both research and quality‑control environments.