Barkworthies Naturally Smoked Chicken Fillet Dog TreatsOur naturally Smoked Chicken Fillets feature all natural chicken breast, glycerin, water and salt. Our chicken chews are not just appetizing for dogs with the sweet aroma of smoked meats, but they are also high in protein. The chicken breast contains high levels of protein and low levels of fat making these chews ideal in supplementing a dogs daily protein requirement. High protein and low fat diet is important in keeping a dogs weight in check.