Used in veterinary medicine as an antibacterial agent, particularly effective against a range of Gram-negative and some Gram-positive bacteria. Commonly applied in the treatment of bacterial infections in livestock and companion animals, including respiratory, urinary tract, and gastrointestinal infections. Its formulation as a mesilate salt enhances solubility and bioavailability, making it suitable for intravenous or intramuscular administration in clinical veterinary settings.