Zoetis Inc is engaged in the discovery, development, manufacture and commercialization of animal health medicines and vaccines, with a focus on both livestock and companion animals. The primary livestock species are cattle (both beef and dairy), swine, poultry, sheep and fish, and the primary companion animal species are dogs, cats and horses. In February 2014, Benchmark Holdings PLC purchased aquaculture vaccine and development assets from animal health company Zoetis Inc.