Pfizer Poultry Health Division is a biotechnology company engaged in the development and commercialization of therapeutic, mechanical and data management products for the global poultry health industry. It has developed the Vaccine Saver system, which identifies infertile and early-dead eggs to prevent and reduce vaccination costs. Additionally, the company has produced the Inovocox vaccine, which is used for immunization against coccidiosis and can be delivered in ovo. It also provides products under the Bursaplex, Chick Counter, Egg Remover and Embrex Inovoject brands. The company has installed has the Inovoject system in more than 30 countries throughout Europe, Latin America, Australia, North America, Asia and the Middle East. Its clients include Pilgrims Pride, Tyson Foods and Perdue Farms. Pfizer Poultry Health Division is a part of Pfizer, which is one of the largest research-based biomedical and pharmaceutical companies in the world.