Sulfamethazine is widely used in veterinary medicine as an antibiotic to treat and prevent bacterial infections in livestock, particularly in cattle, swine, and poultry. It is effective against a range of bacterial diseases, including respiratory and gastrointestinal infections. Additionally, it is often incorporated into animal feed to promote growth and improve overall health. In aquaculture, sulfamethazine is utilized to control bacterial infections in fish, ensuring the health and productivity of aquatic farming systems. Its broad-spectrum antibacterial properties make it a valuable tool in maintaining animal health and supporting agricultural productivity.