Hollings Cows Ears Hollings Cows Ears – Cow Ears are a great alternative to the Pigs ears as they are higher in fat and lower in protein. They are perfect for medium to larger dogs, lower in fat and chewier in texture. Great for dogs who need to watch their weight. They are a 100% natural treat of the highest standard, air dried, bacteria tested and quality checked. Cows ears for dogs are a high quality dog treat great for keeping your dogs teeth and gums healthy and also as a treat to keep them content and happy. Ideal as an easy solution to brushing your dogs teeth. Suitable for all ages and sizes of dog.