Used in poultry research to measure levels of glucagon-like peptide 1 (GLP-1) in chicken blood or tissue samples. Helps scientists study metabolic regulation, insulin secretion, and gut health in birds. Commonly applied in studies related to nutrition, diabetes models in poultry, and the effects of feed additives on metabolic hormones. Enables quantitative analysis in experimental trials assessing gastrointestinal function and energy balance in avian species.