The by product of ethanol production is ANIMAL FEED. So no, ethanol production does not impact animal feed, in fact, increased ethanol production produces MORE of it.
No need to get so defensive. My comment was based upon what I know to have happened where I live, which is why I said “yes and no” in response to your original declarative statement. There have been some changes, not as dire as some had predicted, or claim, but not all have been totally beneficial either.