The GAP label program offers 6 levels of certification primarily for animal welfare. Animals are also not fed drugs on a routine basis at all levels. There is a big difference between GAP 1 and GAP 5+. GAP 5+ requires full time pasture access and robust animal welfare practices including no transport for the animals, ever.
For explanations of some of these technical terms, like “rotational grazing” or “sewage sludge fertilizers,” please visit our glossary.