Zoetis Inc. engages in the discovery, development, manufacture, and commercialization of animal health medicines, vaccines, diagnostic products and services, biodevices, genetic tests, and precision animal health products in the United States and internationally. The company commercializes products primarily across species, including livestock, such as cattle, swine, poultry, fish, and sheep; and companion animals comprising dogs, cats, and horses. It also offers parasiticides, vaccines, dermatology, anti-infectives, pain and sedation, other pharmaceutical, and animal health diagnostics.