Used in immunological research to measure total complement activity in rabbit serum or plasma samples. The kit helps assess the functional integrity of the classical complement pathway by quantifying the lytic activity through the CH50 assay. It is commonly applied in studies involving immune system responses, inflammation, infectious diseases, and autoimmune conditions in rabbit models. Researchers use it to evaluate how experimental treatments, vaccines, or disease states affect complement system function. The assay is valuable in preclinical research where rabbits are used as animal models, allowing for accurate and reproducible measurement of complement activation.