05/08/20 - Dyson ditches oilseed rape, Missing cows in Northern Ireland, Turning pig waste into energy

Dyson's farming business is ditching oil seed rape, blaming falling yields and the ban on Neonicotinoids. Plus the mystery of the missing cows in Northern Ireland, and how one farmer is turning pig muck into money using anaerobic digestion. Sybil Ruscoe presents.

Producer: Toby Field