The classification systems used
and recognized by Bill the Butcher

Organic
  No herbicides, pesticides, antibiotics, hormones or steroids.   Fed with organic grass or grain that is not genetically modified.

 
Bill the Butcher Natural
No herbicides, pesticides, antibiotics, hormones or steroids. No genetically modified feed. Humanely raised and harvested animals. Pastured and as local as possible.

 
Natural
No herbicides, pesticides, antibiotics, hormones or steroids.