by the tons at a co-op. For the little guys like us 55gal plastic barrels, it is poured directly into the barrels in the back of your truck or trailer, or you have an enclosed trailer for it to service all your feeders.
Like I said your region may be more or less, you have to call and see, it is what it is. Don't forget it takes diesel to harvest and haul, there is no more $200 a ton unless you buy from the farmer in his field.