- Anything Else -And some reading matter...In Reply to: A small challenge, Shaun. posted by Farinata on September 07, 1999 at 13:37:16:
: The generally-accepted reason is that natural selection occurred due to the constant exposure these bacteria had to the antibiotics used in the meat industry; only the naturally resistant mutations of the bacteria survived and bred, leading to strains of Staphylococcus aureus that were resistant to antibiotics like Penicillium.
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