Parmigiano Reggiano Consortium
Environment
Heatwave slashes milk yields in Parmigiano heartland
Barn temperatures cracked 40 °C across Emilia-Romagna during July 2026 heatwaves, and the cows felt it straight away. Yields dropped by up to 10% when temperatures inside sheds exceeded that threshold, squeezing the raw milk supply that feeds one of Europe's most tightly regulated food chains.