The Types segment classifies Veterinary Progesterone Kits according to assay technology and format. Quantitative ELISA kits dominate the market because they offer high throughput, reproducibility, and cost efficiency for bulk testing in herd‑level programs; they typically account for roughly half of total unit sales. Radioimmunoassay (RIA) kits, though declining, retain niche relevance where ultra‑low detection limits are required, such as in early‑pregnancy confirmation for high‑value breeding stock, contributing a modest share. Lateral Flow Immunoassay (LFIA) kits provide rapid, on‑site results without instrumentation, appealing to small‑holder and field veterinarians; their portability drives a growing proportion of the market despite lower analytical sensitivity. Automated chemiluminescence platforms represent an emerging sub‑type, integrating sample preparation and readout to reduce labor intensity, and are gaining traction in veterinary diagnostic labs seeking higher throughput. Each type’s market contribution is shaped by factors such as assay cost, required sensitivity, and end‑user workflow, forming the core of the overall market taxonomy.