A tonne of British Bacon has been trucked in to the Yorkshire Show Ground after it was discovered the North's biggest celebration of British farming was selling Danish and Dutch meat.

Great Yorkshire Show organisers immediately demanded that non British bacon was removed from sale and replaced by home produced meat.

And they urged Agricultural Minister Nick Brown to introduce clear labelling of food product's origins.

Robin Keigwin, chief executive of the Yorkshire Agricultural Society said: "The Society believes that all consumers have an absolute right to be able to identify by clear labelling the precise origin of their meat.

"We urge the Government to act accordingly and with urgency to rectify the current inadequate and misleading system."

After checking complex codes on packaging, organisers discovered the origin of bacon from five of 16 suppliers was in doubt.

In every case, the problem was blamed on labelling.

Mr Keigwin said: "We have no reason to believe that any of these caterers that doubted their products with labels such as these originated from anywhere else but the UK, but neither they nor we nor any other consumer can be certain."

Nigel Hawking, the shows chief pig steward and a Sherburn-in-Elmet farmer, said labelling can be confusing, with products able to show the Un-ion Jack or have UK printed on the packaging despite coming from abroad.

He said: "Everyone concerned is very upset about this.

"The labelling issue is one of the main things that has caused a misunderstanding because the bacons packaging does say UK on it."

He said only bacon with the British Standard Mark on it is definitely home produced.

The show society has initially paid for the shipment from Malton, with suppliers paying later.

The society has assured that no foreign bacon will now be sold.