and the posters here on BYC dismantled that particular study shortly after it was published.
I was one of them.
The thread on the test results from another Youtube personality.
and one of our users sent several feed samples off for testing which were provided to her by other users here on BYC
You might find this link useful as well (links to other links)
No, I'm not a poultry nutritionist. I'm just a reasonably well read hobbyist. Sadly, its clear that those advancing the vast majority of these positions (
whatever their other qualifications) know far less about the subject than could easily be learned in a weekend of reading and a couple Google searches of the underlying studies. I would not be so eager to put my ignorance on public display, personally, and don't pretend to be an expert. Merely strongly opinionated.