Because the toxic and side effects of antibiotic additives have brought great harm to livestock and poultry production, it is imperative to find feed additives....
https://www.arshinefeed.com/Knowledge/the-main-role-and-application-effect-of-lactobacillus-acidophilus-in-livestock-and-poultry-production

It is understood that the protein content of corn gluten meal is as high as 40% to 60%, and its protein content is 21% and....
https://www.arshinefeed.com/Knowledge/the-role-of-corn-gluten-meal-in-feed772