CORRECTS: Firm: Cow tested positive for mad cow disease at Hanford, Calif., transfer station

By the Associated Press | April 24, 2012 | 6:05 PM EDT

SAN FRANCISCO (AP) — CORRECTS: Firm: Cow tested positive for mad cow disease at Hanford, Calif., transfer station. (Corrects APNewsAlert to say cow was at transfer station instead of plant)