Chicken and turkey hearts are very high in taurine which is essential in a cat's diet and overall health, other organs can also be used such as lungs and the liver. Thoroughly cook these organs to avoid getting cats sick and add them to a cat's food or give it to them as treats. Other cuts of meats can be used as an alternative for turkey and chicken heart, chicken necks, ground turkey necks, pheasants, ostrich, beef, etc. can be added to a cat's diet.