Parnell Pharmaceuticals Holdings Ltd, a commercial-stage pharmaceutical company, focuses on developing, manufacturing, and marketing animal pharmaceutical products worldwide. The company operates through four segments: Companion Animal, Production Animal - U.S., Production Animal - Rest of World, and Manufacturing Operations. It markets various products, including estroPLAN and GONAbreed reproductive hormone products for enhancing cattle breeding performance; Zydax for the treatment of osteoarthritis (OA) in dogs and horses; and Glyde, a nutraceutical product for the treatment of OA, as well as Parnell PROcept, which adds an additional injection of estroPLAN after the first injection. The company also offers mySYNCH, a digital tool to help veterinarians and producers optimize reproduction and maximize economic gains. Parnell Pharmaceuticals Holdings Ltd was incorporated in 2009 and is headquartered in Alexandria, Australia.