Prosser, N., Purdy, K., & Green, L. (2019). Increase in the flock prevalence of lameness in ewes is associated with a reduction in farmers using evidence-based management of prompt treatment: A longitudinal observational study of 154 English sheep flocks 2013–2015. Preventive Veterinary Medicine, 173, Article 104801. https://doi.org/10.1016/j.prevetmed.2019.104801