LUTALYSE® HighCon Injection (dinoprost tromethamine injection) LUTALYSE® HighCon Injection (dinoprost tromethamine injection) is a high-concentration formula of LUTALYSE® Injection (dinoprost injection), the most veterinarian prescribed and producer used prostaglandin in the market.1 LUTALYSE HighCon allows for a 2-mL dose for convenience and flexibility in artificial insemination synchronization programs. LUTALYSE HighCon is approved for use with Eazi-Breed™ CIDR® Cattle Inserts in heifers and cows to improve breeding efficiency and pregnancy success. It’s important to note that LUTALYSE HighCon is approved for use in cattle only, not equine or swine like LUTALYSE. At Zoetis, we understand the changing needs of today’s cattle producers and veterinarians. We are committed to developing solutions, including multiple Food and Drug Administration (FDA)- approved estrous synchronization options. Our focus is on you and increasing the reproductive efficiency of your herd. Improved breeding efficiency leads to a shorter calving season and a more uniform set of calves.