SPRINGDALE, Ark. (AP) -- Tyson Fresh Meats Incorporated recalled more than 40,000 pounds of ground beef after samples tested at a Sherman, Texas, plant showed signs of E. coli contamination.

Tyson says the meat was shipped to Wal-Mart stores in 12 states. No illnesses had been reported. Springdale-based Tyson says the recall is not related to contaminated ground beef distributed by California-based United Food Group, L.L.C.

The recalled products were sent to Wal-Mart stores in Alabama, Arkansas, Colorado, Kansas, Kentucky, Louisiana, Mississippi, Missouri, New Mexico, Oklahoma, Tennessee and Texas.

Wal-Mart has removed the products from its meat cases and is destroying the recalled ground beef still in its possession. Tyson recalled 40,440 pounds of ground beef, all of which had sell-by dates of June 13th. The ground beef was sold in prepackaged trays that were placed directly into the meat case.

The recalled products include:

--One-and-a-half-pound trays of Angus steak burger all natural, 85/15, six quarter-pound patties;

--One-point-three-three-pound trays of Angus steak burger all natural, 85/15, extra thick, four one-third pound patties;

--Two-and-a-quarter-pound trays of 73/27 all-natural ground beef;

--Five-and-a-half-pound trays of 73/27 all-natural ground beef.

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