County-level PRs of (a) ascites, (b) DOA/DIL, (c) dermatitis, (d) joint lesions, (e) bruising/fractures and (f) respiratory disease in GB-reared broilers, per 10 000 slaughtered, 2011–2013. Data source: FSA. Contains Ordnance Survey data © Crown copyright and database right 2014. Contains data provided by the Historic County Borders Project, available from http://www.county-borders.co.uk. Contains data provided through www.VisionofBritain.org.uk and used historical material which is copyright of the Great Britain Historical GIS Project and the University of Portsmouth. Additional sources: [51,52]. This work made use of Royal Mail data © Royal Mail copyright and database right 2014. This work made use of National Statistics data © Crown copyright and database right 2014. This work made use of data compiled by C Bell [46], available at www.doogal.co.uk (Note: County-level is in order to maintain producers' confidentiality, PRs are presented for the following county-combinations: Ayrshire and Lanarkshire; Kirkcudbrightshire and Dumfries shire; East Lothian, Midlothian, West Lothian and Peebles shire; Clackmannanshire and Stirlingshire; Roxburghshire and Berwickshire; Northumberland and Durham; Kent, Surrey, Sussex and Hampshire; Bedfordshire and Hertfordshire; Berkshire and Oxfordshire; Caernarfonshire, Merionethshire and Denbighshire; Brecknockshire, Glamorgan, Radnorshire and Pembrokeshire; Nairnshire, Moray and Banffshire; Westmorland and Yorkshire. In all other cases, PRs are presented at singular county level).