The Danish rules include among others the following requirements:
- The cows must be grazing during summer
- All feed must be organic
- Prohibition of genetically engineered food
- At least half of cow feed should be roughage such as clover, hay, carrots, turnip or silage
- The cows must have sufficiently space in the stable
- The surface in the stable must be dry and they must have clean straw which is at least 5 cm thick, and so soft that it forms to the animal.