Those are beef marrow bones. Great nutrition in the marrow, but a little rich, so start slowly. Maybe have the butcher cut them into about 2 inch pieces. Freeze them raw first, then let one sit out for about half an hour so the bone itself won`t be frozen. Gus loves them, and his teeth sparkle!

[This message has been edited by LuvMyRott (edited June 14, 2001).]