Incidental on-farm raw milk sales are legal in Oklahoma. Incidental is not defined for cows, but for goats up to 100 gallons per month.
Legal Links
§ 2-7-414. Sale of Grade A milk and milk products Source: Oklahoma State Legislature
Include incidental sales of raw milk directly to consumers at the farm where the milk is produced https://milk.procon.org/wp-content/uploads/sites/4...