Modelling the impact of BSE policy on agriculture in England and Wales

adaptation de la production adjustment of production ajuste agrario beef bovin bovine spongiform encephalopathy carne de res cattle crianza extensiva economic behaviour economic impact encefalopatia espongiforme extensive husbandry farm income farming systems ganado bovino lait leche milk milk production oferta offre profitability rentabilidad revenu de l'exploitation spongiform encephalopathy supply viande bovine