The USDA now requires a negative test for cattle to move across state lines, but no federal agency can mandate testing on the farms or go onto the farms without permission from the owners. Government requests to test farmers’ cows have mostly been ignored.

“You have to understand how they approach the world. They take on so much risk every day with what they do in their operation,” Naerebout said. “They are very reluctant on this issue or any other issue to have the government involved.”

So we have a feelings-based food supply. That’s probably fine.