Oh that's me!!:wave: I'm a total spreadsheet nerd!!
I just started one for my dogs as I'm rotating their food and learning which foods/proteins they do best on, and which to use in the future. My spreadsheet it pretty basic right now but I'm constantly modifying it.
Here's what I have right now, across the top I have Brand, Formula, Main Proteins, Results/Symptoms, and Feed Again. I think I'm also going to start adding the price/pound.