Re:Estimates that mineral levels in vegetables have dropped ...
by oh_sigh on Friday September 13, 2019 @05:33PM
(#20966834)
This makes sense, because grass and the alternatives(probably corn/oat meal) don't have the same nutritional profile. A more apt comparison might be whether cows which get sprayed with a manufactured anti-fly compound have a different nutritional profile than cows that are sprayed with, say, lavendar oil to keep the flies away.
https://www.ncbi.nlm.nih.gov/pubmed/10531600/ https://www.ncbi.nlm.nih.gov/pubmed/7905466/