 saying, quote, at this point of time, we are going to be focused, obviously, on producers that are able to establish a loss in production connected to the disease for a period of time. Adding there is roughly a four week period in which farmers see the most significant losses in milk production. Now, USDA does not report stats on how many dairy cows have been culled from infected herds. Vilsack said on a call with reporters that, quote, there are many reasons why.