The type segmentation of the Animal Model market distinguishes between small‑animal, large‑animal, and genetically engineered models. Small‑animal models, primarily rodents such as mice and rats, dominate the market due to their low acquisition cost, rapid breeding cycles, and extensive historical data, contributing roughly 55 % of total revenue. Large‑animal models—including dogs, pigs, and non‑human primates—command higher per‑unit pricing and are essential for translational studies that require physiological similarity to humans; they account for about 30 % of market size. Genetically engineered models, encompassing transgenic, knockout, and CRISPR‑edited organisms, enable precise disease pathway interrogation and are increasingly adopted in high‑value therapeutic research, representing the remaining 15 % of market value. Each type’s distinct cost structure, regulatory considerations, and scientific utility collectively shape the overall market dynamics, with shifts toward engineered models driving incremental growth despite the continued bulk volume of small‑animal usage.