General Discussion

I seriously doubt there will any change in the testing at the local level.
My dad worked in the dairy business. I've seen the inside of their labs since I was a little kid.
The testing today takes minutes of tech time and the cost is sunk. The people and the hardware are already there.
Plus, the labs are minimally staffed, so the cost to the dairy is close to insignificant.
Even if there is a relaxation in regulations, it doesn't absolutely shield the dairies from legal liability in the event of a contamination. So, it becomes a modest price to pay to avoid lawsuilts.
I think the dairies will still test as they've been doing for the last 80 years.