Episode 5

Dougie heads for Ben Ledi in the Trossachs to help with some high-altitude fieldwork. And 25 years on from the foot-and-mouth outbreak, Arlene finds out about a legacy that is helping today's farmers.

Elsewhere, Rosie is in Gairloch Wester Ross to hunt for herring and find out how this over-exploited species is making a comeback. Leanna is in Fife, where she joins a team researching the movements of secretive snipe, and Cammy visits the Ayrshire couple determined to preserve and promote the Clydesdale horse breed.