Moy Park, the Northern Ireland poultry processor, has been bought by Brazilian company JBS, the world’s largest meat processor, for about $1.5bn (€1.3bn).The deal will see JBS pay Moy Park’s parent company Marfrig, another Brazilian meat processor, $1.19bn (€1.05bn) in cash and assume Moy Park’s £200m (€280m) net debt.