Enrofloxacin segmentation by application reveals five principal animal‑health categories that collectively drive market volume. Poultry accounts for roughly 35 % of total sales, reflecting intensive prophylactic and therapeutic use against respiratory and enteric pathogens in broiler and layer operations. Swine contributes about 25 %, supported by high‑density production systems where enrofloxacin is employed to control bacterial septicemia and post‑weaning diarrhea. Cattle represents ~20 %, primarily in dairy and beef herds for treatment of respiratory disease and foot‑rot, where dosing regimens are longer and price sensitivity is moderate. Aquaculture holds ~10 % of the market, driven by growing fish‑farm production in Asia and the need for water‑soluble formulations to address Vibrio spp. infections. Finally, Companion Animals capture the remaining 10 %, with veterinary clinics prescribing enrofloxacin for skin, urinary, and respiratory infections in dogs and cats. The proportional weight of each segment aligns with livestock population density, disease prevalence, and regulatory approval status, collectively shaping the overall Enrofloxacin market size.