Hester Biosciences Limited is an India-based company engaged in manufacturing of poultry vaccines and large animal vaccines, and trading of poultry health products and large animal health products. Its segments include Poultry Division and Large Animal Division. It provides over 40 products across poultry vaccines (live and inactivated), large animal vaccines (live and inactivated), health products and diagnostics. Its product range includes vaccines, drugs, feed supplements and disinfectants. It manufactures over two live vaccines for large animals, including Peste des Petits Ruminants (PPR) Live vaccines and Goat Pox Vaccine. Its offerings include Avian, including Live B1, Live LAS, Live R2B, Live M48, Live FP, Gumboro M1, Gumboro I and Gumboro I+; swine fever vaccines, and large animal, including PPR Vaccine-Sungri 96 strain and Brucella abortus (S19) calf Vaccine. It offers services, such as seromonitoring for poultry farms and mastitis prevention programs for cattle farms.