Big round hay bales,rye grass baled with surface wrap and put in silage tube same day. It should be very high in protein as it goes through ferment stage.Field was fertilized,weed free ,not rained on,and put up right.Baled at the right time for crop and baled with newer John Deere Baler.i have 100 bales at time of posting,$40.00 Each.Thanks for looking, show contact info Dave