"Billy" wrote in message

For half a century, meat producers have fed antibiotics to farm animals
to increase their growth and stave off infections.

The Minnesota researchers planted corn, green onion and cabbage in
manure-treated soil in 2005 to evaluate the environmental impacts of
feeding antibiotics to livestock. Six weeks later, the crops were
analyzed and found to absorb chlortetracycline, ......

Jeeze Louise! More bloody sloppy reporting. Why don't they differntiate
between Feedlot animals and grass fed animals!

Or perhaps all beef in the US comes from feedlot animals. Our cattle are
only ever given anitbiotics if they have a problem like an infection and
then it's usually only one jab that has a 3 day life.