As the Royal Welsh Show begins its 50th year the horsemeat scandal is still a concern. The mis-selling of meat which contained horse DNA earlier this year rocked the food industry. Later farm leaders will discuss what lessons can be learned.
Stephen James Deputy President, NFU Cymru, says the scandal has had positive effects.
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The peer will attack Prime Minister Theresa May for failing to represent the 48% who voted in favour of Remain.
Paul Flynn, MP for Newport West, will open the debate in Westminster Hall.
It will represent another boost to the region, after the announcement Deca Sealand was chosen for a repair hub for defence aircraft.