The antibiotic oxytetracycline—closely related to a form of tetracycline widely used in people—and streptomycin are even used on organic apples and pears to combat fire blight, a bacterial disease of fruit trees. The use of such drugs does not have to be divulged. You probably never imagined that produce labeled organic could contain antibiotics.
So, glyphosate is not the only problem to be aware of.
