Environmental aspects of milk production in Iran were investigated using LCA.
Feed production, dairy farm and dairy factory were taken into account.
Feed production stage was the hot spot in pasteurized milk production
GWP was estimated at 457 kg CO2,eq per 1000 kg of raw milk at the dairy-farm gate.
Energy consumption was dominated by raw milk production at dairy farms.
Raw milk production had the highest share in the total costs of pasteurized milk.