UK food exports are at their highest ever level as they approach the 10 billion pound mark and UK farmers are cashing in on this market. Antibiotic use in farming could be creating superbugs according to the Soil Association, but one farmer claims farmers are not using excessive amounts on their livestock and Sarah Falkingham joins a Yorkshire farmer as she prepares the soil for next year's crops. Presenter: Anna Hill, Producer: Martin Poyntz-Roberts.