Used in veterinary research to measure levels of interleukin-18 in canine biological samples such as serum, plasma, or tissue homogenates. Helps in studying immune responses, inflammation, and autoimmune diseases in dogs. Commonly applied in preclinical studies, vaccine development, and monitoring disease progression in conditions like canine arthritis, infections, or cancer. Provides a reliable and sensitive method for quantifying cytokine activity, supporting both academic research and pharmaceutical testing.