Head of US operations outlined key initiatives during a call with investors.

Frank Yiannas discusses the retailer's decision to enhance food-safety requirements of poultry suppliers to Walmart and Sam's Club stores.

Program to make beef safer were applied to developing new poultry supplier requirements.

Retail giant implements new guidelines for poultry suppliers.

The retailer will implement new measures to guard against foodborne illness.

Police unable to solve mystery of LSD-tainted meat that sickened a family.

Net income in the third quarter ended Oct. 31 was $3,727 million, up 3% from $3,635 million in the same period a year ago.

Inflation of meat prices impacts consumers’ protein selection at club store.

Retailer also will rebrand Wal-Mart Express as Neighborhood Market.

Company has added about 260 food stores north of the border.