ST. PAUL — A case of highly pathogenic avian flu in Minnesota was confirmed Tuesday, Sept. 16, at a Redwood County commercial turkey farm. ADVERTISEMENTThe Redwood County flock, around 20,000 turkey toms, showed signs of increased mortality. They include the following:ADVERTISEMENTA commercial turkey flock of 41,000 birds in LaMoure County on Sept. 10. A commercial turkey flock of about 60,300 birds in Dickey County on Sept. 4. Other commercial turkey flocks had confirmed cases on Sept. 4 in McPherson County; Sept. 2, in Beadle County; and Aug. 28, in Faulk County.