If using for base defence u should have multiple troughs full of cooked meat to keep these guys fed. But isnt it worth it? Keeping ur dinos safe. Aaaaaaand finding a reason to make someone else in ur tribe actually cook meat
They heal any tamed Dino nearby at the cost of food. Get a whole large pack of Daedons made up of pack leaders and you will be very well protected and since they can heal each other one of your daedons will rarely die. Upv0te if ya found helpful.