Open Farm Dehydrated Beef Treats for Dogs are made with 100% humanely raised, grass fed beef, free from antibiotics and growth hormones, dehydrated at low temperatures to form a healthy and tasty treat. These treats are low in carbohydrates, gluten free and are free from glycerin, grains, artificial flavors and preservatives. They use cows that are grass fed and grass finished - raised at pasture in the USA.