Follow me: Gavin Paterson, right, of Barbeth Farm, Cumbernauld, is one of the first farmers in Scotland to sign up for BOCM Paul's ''feed secure'' package, which helps producers meet the requirements of farm assurance schemes by giving traceability through the feed chain. The company has identified nine types of maize gluten, each treated as a different raw material in the production. Six types of rape seed meal are also named, with varying amounts of oil content.The system will enable farmers to detail the history of feed deliveries.