The coronavirus is a disease affecting humans and impacting agricultural commodity markets. Three-plus decades ago there was a major disease impacting animals and impacting agricultural commodity markets. Bovine spongiform encephalopathy (BSE), also known as Mad Cow disease spread through the British cattle herd (and elsewhere in the world) and permanently changed the global beef market. Although not analogous, it is important to note that the UK’s cattle industry has leveled off from the initial contraction caused by the disease. The more important change, however, was in the protocols for cattle production. The coronavirus has spread more fear than BSE because simply avoiding beef prevented human infection. Stopping BSE required th...