Affiliation: | 1. Institute of Agri-Food and Land Use (IAFLU), Queen''s University, David Keir Building, Stranmillis Road, Belfast BT9 5AG, United Kingdom;2. Santés Animale et, Centre d’Economie Rurale, Rue du Point du Jour, 8, B-6900 Marloie, Belgium;3. Agri-Food and Biosciences Institute, Stormont, Belfast BT4 3SD, United Kingdom |