Used for the quantitative analysis of lutein in chicken tissues and biological samples, this ELISA research kit enables accurate measurement of lutein levels in studies related to poultry nutrition, egg quality, and antioxidant status. It is commonly applied in agricultural research, veterinary laboratories, and food science to assess the bioavailability and deposition of lutein in feed trials. The kit supports high-throughput screening, making it valuable for optimizing dietary formulations to enhance yolk pigmentation and improve poultry health. It is not intended for diagnostic use in humans or animals.