- Oct 13, 2008
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I looked at the ingredients and I wonder if maybe some of those vegetable pulps and meals might be treated with a high enough level of preservatives to prevent fermentation but not be listed as ingredients.
I had similar thoughts. Or it could be that the ingredients were cooked or otherwise heat treated and therefore sterilized--unlike with typical grain-based feeds which still contain the indigenous bacteria and yeasts. If so and it was hermetically packaged it could take a very long time for any fermenting microbes to recolonize the substrate, without the introduction of starter culture.
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