Used in research settings to measure testosterone levels in chicken biological samples such as serum, plasma, or tissue homogenates. Enables endocrine studies related to growth, reproduction, and behavior in poultry. Supports investigations into hormonal responses to environmental factors, diet, stress, or disease. Facilitates selective breeding programs by providing quantitative hormone data. Suitable for academic, agricultural, and veterinary research applications where precise steroid hormone quantification is required. Not intended for diagnostic use in humans or animals.