The US-based subsidiary of French dairy giant Lactalis has announced it will invest more than $75 million to upgrade its Walton and Buffalo facilities in New York state, expanding capacity and efficiency. The investment at the two sites, which process over 800 million lb (36o million kg) of raw milk annually, will retain over 800 workers and create more than 50 new positions. Lactalis USA CEO Esteve Torrens said: “Lactalis …