Hester Biosciences was incorporated on April 29, 1987 as a Private Limited Company by the name of Hester Pharmaceuticals Limited. It was subsequently converted into a Public Limited Company on November 1, 1993. The company is engaged in the manufacturing of poultry vaccines. The company has been promoted by Rajiv D. Gandhi his brother Sanjiv D. Gandhi and Dr. Bhupendra V. Gandhi. The company changed its name to the present in 2008.

The company is a 100% biotech company producing animal biologicals. Located near the city of Ahmedabad, in the state of Gujarat, in Western India, Hester has a state-of-the-art facility to produce live and killed (Inactivated) veterinary vaccines.

Production procedures for poultry vaccines based on in-house advanced capabilities are being followed in the areas of virus propagation in specific pathogen-free embryos, tissue culture, batch fermentation of bacteria, lyophilisation and emulsion preparation.

Hester on December 22, 2008 launched a poultry vaccine against Coryza disease in chicken, containing 3 serotypes – A, B & C.

Hester is the first company in India to manufacture the Coryza vaccine with 3 strains as against other companies manufacturing the vaccine with only 2 serotypes - A & C. Coryza disease is of economical importance to poultry farmers as it causes a drop in egg production in laying birds.

Hester currently manufactures 39 types of poultry vaccines against various poultry diseases.

Product range of the company includes:

• Live Vaccines
• Killed Vaccines
• Diagnostic kits &  Seromonitoring services

Achievements/ recognition:

• GMP and ISO 9001:2000 certified company