Methods and systems for collecting, managing and reporting feedlot data and feed additive consumption data are provided. More particularly, methods of determining effects of feed additives on livestock and methods of determining a number of doses of animal health product provided to livestock are disclosed. One method of determining effects of a feed additive on livestock includes steps: determining feed additive consumption by correlating feed consumption data to additive levels contained in feed; and matching feed additive consumption to a live performance record, a harvest performance record, and/or an animal health performance record. In another embodiment, a method of determining a number of doses of animal health product provided to livestock includes steps: determining a total quantity of animal health product provided to the livestock; determining a dose amount for the animal health product; and dividing the total quantity of animal health product provided by the dose amount.