Hester Biosciences Limited manufactures and trades in veterinary vaccines and health products in India and internationally. It operates through two segments, Poultry Healthcare and Animal Healthcare. The company provides poultry vaccines for newcastle disease, infectious bronchitis, infectious bursal, fowl pox, marek's disease, infectious coryza, fowl cholera, inclusion body hepatitis, fowl typhoid, and avian encephalomyelitis. It also offers vaccines for peste des petits ruminants, goat pox, brucella, lumpy skin disease, contagious bovine pleuropneumonia, and contagious caprine pleuropneumonia for cattle, buffalo, sheep, and goats; and diagnostic services. In addition, the company provides animal healthcare products, such as biosecurity solutions, therapeutics, nutritional supplements, and specialised formulations to enhance animal wellness and productivity. Further, it offers various pet care products, including gut health solutions, NSAIDs, joint care formulations, parasiticides, grooming products, and anti-infective formulations; and healthcare products, such as immune boosters, gut health enhancers, farm hygiene, vitamins, minerals, and specialty feed supplements for critical needs comprising disease prevention, growth, and nutritional balance. Additionally, the company provides Silvectant, a hydrogen peroxide and silver nitrate solution for disinfection of poultry sheds; Hestbac, a probiotic supplement to control pathogenic bacteria; Hestflora, a combined probiotic and prebiotic formulation that supports gut health and performance; AmmoStop, a probiotic blend for odour control and respiratory comfort in poultry farms. It also offers INACTIVATED H9N2 vaccine for low pathogenic avian influenza; ICEFT RTU, a ceftiofur formulation for uterine and bacterial infections; and Inomilk Gel, an oral calcium supplement, as well as operates diagnostic labs for poultry. Hester Biosciences Limited was incorporated in 1987 and is headquartered in Mehsana, India.