"We are going to get into deep trouble if we don't get this one right, " Mr Howells said.

BBC: Music piracy 'threatens industry'

While not condoning the litter problem, Mr Howells said there was a lack of places to stop for lorry drivers.

BBC: Lorry drivers urged to stop leaving bottles of urine

Mr Howells said the plant had a strong track record of supplying lamb all over the world, and had expertise in producing "a top quality product".

BBC: Welsh Country Foods meat plant workers finish last shift

Writing in Wednesday's Guardian, Mr Howells said seven years of military involvement had subdued al-Qaeda's activities in Afghanistan but had not destroyed the organisation or its leader, Osama Bin Laden.

BBC: Labour MP urges Afghan withdrawal

"We collect what are called levies or taxes at the point of slaughter, when that point of slaughter is in Wales, " said Mr Howells.

BBC: Welsh Country Foods meat plant workers finish last shift

Mr Howells, who was visiting the fair to promote British music, said music piracy encompassed both CD copying and internet downloads.

BBC: Music piracy 'threatens industry'