Cardwell, J M, Van Winden, S C L, Beauvais, W, Mastin, A, De Glanville, W A, Hardstaff, J, Booth, R E, Fishwick, J, Pfeiffer, D U, "Assessing the impact of tailored biosecurity advice on farmer behaviour and pathogen presence in beef herds in England and Wales", Preventive Veterinary Medicine, 2016