 Understanding what's coming out of the farm, what's going off the farm, maybe putting in other tools like boot washes or a truck wash or really guiding and putting trucks in only one spot, changing traffic patterns on the farm. Paulson says there are many barriers preventing more milk testing, including political barriers since USDA oversees milk that is in the cow and the Food and Drug Administration has oversight after milk gets into the bulk tank. So he questions how additional milk samples would get to the lab.