The company said that routine tests found that specific lots made during a 10-day period at one of its manufacturing sites may be tainted.
"Equipment failure at our North Carolina plant compromised our bacterial kill step," Procter & Gamble spokesman Jason Taylor told Examiner.com Aug. 16.
The affected items, which were mostly distributed on the East Coast, include 10 Iams cat food products and 21 Eukanuba and Iams dog food products. To see a complete list, click here.
The announcement, made Aug. 14, said no animal or human illnesses have been linked to the recalled products.
Earlier this year, another Procter & Gamble unit, Natura Pet Products, announced a series of Salmonella-related recalls affecting Evo, Innova and other brands made at a plant in Fremont, Neb.