Tilmicosin is a veterinary antibiotic sold around the world under numerous brand names. It’s used to treat cattle and sheep, respectively, for bovine and ovine respiratory diseases. 
The U.S. Food and Drug Administration (FDA) has established a safe (or tolerance) level of 0.1 parts per million (ppm) for residues of
Continue Reading FDA Warning Letters: High Levels of Tilmicosin in Beef