https://www.canr.msu.edu/news/antibiotic_residue_testing_in_meat_results_in_few_positive_samplesI'm not an expert, but from what I've read, just because the withdrawal period has passed does not mean there is no drug residue. It just means the level is below the maximum allowable limit. If the animal was given antibiotics, there is a risk that there are still residues.
Also, non-compliance with withdrawal periods is a problem, at least in some places.
https://www.healthline.com/nutrition/antibiotics-in-your-food
And every thing "causes cancer in California. "
So don't live in California and you're fine right?
There are plenty of things we are exposed to everyday that are far more harmful than than the less than 1% chance of consuming meat in violation of these standards. Thats 1% found in violation where the meat is held from market for confirmation and therefore not available for sale.
Look we got off the threads original topic and I guess its my fault for bringing up the whole antibiotic thing in the first place.
Remember this is "backyard chickens" not huge commercial chicken growers forum. So the industry terminology does not reflect the visions we have when reading it. This forum probably does. "Free range" mentioned on this site is more likely to mean our ideology of open spaces, no fences, and happy chickens.