Rural news and reports with John Craven and the Countryfile team. John Craven heads to Dunster in Somerset, where a medieval castle is getting a green makeover. Juliet Morris meets the county's last mud-horse fisherman who plies his ancient trade in Bridgwater Bay. Plus, a year after Britain's first outbreak of bluetongue, Adam Henson reports on the effect the disease is having on livestock farming - and how the English rose is fighting back against foreign imports.