Tiamulin fumarate is widely used in veterinary medicine as an antibiotic to treat and prevent bacterial infections in livestock, particularly swine and poultry. It is effective against a range of Gram-positive bacteria and some mycoplasmas, making it a key treatment for respiratory diseases like swine dysentery and enzootic pneumonia in pigs. Additionally, it is used to control infectious synovitis in chickens. The compound is often administered through feed or water, ensuring easy delivery to animals. Its ability to inhibit bacterial protein synthesis makes it a valuable tool in maintaining animal health and improving productivity in farming operations.