You are tracking for some of the same purposes. I don't know if it's a difference in.... Maybe some of the other panellists can comment, too.
One of the challenges we have in animal use is getting to a common basis of what the products are. If you are treating a chicken and a cow, there is a big difference in the mass of the animal and the amount of antibiotic. First, you need to come to some system of standardized daily dosing, or something, so you get levels that are realistically comparative. I don't think that's as big a challenge on the human side; it's a little different.
The outcome is that you want to know what drugs are being used, why they are being used, and at what points you might intervene to implement a reduction.