How free-range eggs became the norm in supermarkets – and sold customers a lie

The UK is in the grip of its largest ever outbreak of bird flu. As its name suggests, avian influenza primarily affects birds, but it can also infect humans and other mammals. The virus first emerged in China in 1996 and the highly pathogenic H5N1 is the predominant…

© La Conversation - lundi 13 mars 2023