The National Beef Association is calling on farmers to back its campaign to persuade supermarkets to physically separate displays of beef from different countries of origin.

The association is asking MPs to sign an all-party Early Day Motion supporting anti-mixing practices.

This year the NBA persuaded Lacors that consumers were confused when confronted with a mixture of home-produced and imported beef on the shelves of supermarkets.

Hexham MP Peter Atkinson will present the following Early Day Motion to the House of Commons.

"This House believes that informed consumer choice is central to effective marketing of British meat and is concerned at reports of products from different countries being mixed up on some shelves.

"It therefore calls upon all food retailers to ensure that they comply with the guidance issued by Lacors to retailers on the on-shelf presentation of meat and meat products from different countries of origin."