Wet weather conditions in the Midwest are encouraging the growth of mold on corn, which could generate toxins affecting the health of livestock and lessening their market value, said Ken Eck of Purdue University. Up to 40% of the corn from fields in southwestern Indiana show mold that will result in lower-quality grain unsuitable for human consumption, he added, but such crops could be sold to ethanol plants at lower prices. Some ethanol facilities, however, turn away the poor-quality crops or separate them during the distilling process, said Richard Stroshine, another educator with the university.

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