In Flanders, the northern part of Belgium with the most dairy cattle, in 2019 the CO2 emission related to milk production on the farm decreased 30 percent compared to 2000. In 2000 the emission of farm milk was 1.32 kilogram CO2 equivalents, in 2019 this was 0.93 CO2 equivalents. The main improvement was realized by a higher milk production per cow. In 2000 average milk production was 6700 litre, in 2019 this was 9200 litre.