Cattle are given growth hormones in order to promote faster growth.
In order to protect consumer health and safety, the EU has banned imports of hormone treated meat and only allows restricted imports of meat that is certified as produced without the use of hormones.
This has caused a dispute with the US, known as the Beef Hormone Dispute, that has been ongoing since 1989, and is still on-going. The dispute has resulted in the imposition of tariffs on a number of products exported from EU countries to the US.
Read on for more details about the dispute.