A new report has given a failing grade to 22 of the top 25 burger chains in the US due to the use of beef from cows that were fed antibiotics.
Only two chains, Shake Shack and Burger Fi, received As for serving burgers that were made of meat taken from cows that didn’t have medication in their feed.
But 21 other chains, including McDonald’s, Burger King, In-N-Out and Whataburger, received an F ‘for lacking any announced policy to source beef raised without the routine use of antibiotics.’ Wendy’s scraped by with a D minus.
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