Skimmed milk (British English), or skim milk (American English), is made when all the milkfat is removed from whole milk. It tends to contain around 0.1% fat. Skimmed milk (British English), or skim milk (American English), is made when all the milkfat is removed from whole milk. It tends to contain around 0.1% fat. Historically, skimmed milk was used for fattening pigs, and was recommended as 'not only the very best supplement for growing pigs, but is of almost equal value for fattening purposes' as it 'furnishes a complete protein' and makes the feed 'more palatable'. In the United Kingdom, milk is traditionally marketed and labelled as follows: