Mycoplasma bovis is the most common cause of calf pneumonia in the country, costing farmers time, money, and heartache. But one Scottish farm has significantly reduced incidences of the disease and calf mortality by using a new vaccine and a stringent biosecurity plan. Ruth Wills at Agrihub reports on how one Scottish farm has significantly reduced incidences of the disease and calf mortality by using a new vaccine and a stringent biosecurity plan.