Pigs in shed© Olivia Cooper
Set in the heart of the US corn belt, Iowa is a farming mecca. Mile after mile of maize and soya bean fields make this an ideal place for pig finishers, with all the feed they could possibly need right on their doorstep. As a result, more than 6,200 farmers across the state produce one-third of the USA’s pork – 45 million pigs a year. But with this many farms in such close proximity disease is always a concern, so […]