A rennet injection system is provided for use with food processing or other equipment that uses rennet as a processing ingredient. The rennet injection system includes at least one injector that has multiple openings for delivering rennet to multiple rennet delivery locations that are spaced apart from each other within the food processing or other equipment. The injector may include a nozzle with a middle bore and angled bores on opposing sides of the middle bore that face away from a direction that the middle bore faces.