Washington, D.C. – The egg recall left officials at Costco Wholesale Corp. scratching their heads. How had inspectors for Costco, who looked over the northeast Iowa farm where the chain bought eggs, not noticed the rodent holes in the henhouses?
Rodent holes are a sign that mice could be entering the buildings and infecting the hens with salmonella. Federal investigators who are trying to pinpoint the source of a national salmonella outbreak reported this week finding numerous such holes in henhouses operated by Hillandale Farms of Iowa at West Union.
Hillandale has recalled 170 million eggs nationwide, including some sold by Costco at its West Des Moines store and at other Midwest locations.
The massive egg recall has some in the food industry, including Costco, thinking of setting or tightening their own safety standards for buying eggs.
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