My chickens are super picky. I don't know if it's because they are young (9 weeks) or what, but they only like watermelon (they eat to the rind and then leave the rest), spaghetti and boiled egg mashed. I think maybe they have a hard time with bigger chunks, because they didn't like tuna, canteloupe, banana or oatmeal. They wouldn't even LOOK at the oatmeal. I've been giving them a slice of frozen watermelon every day because our temps have been in hovering around 100 and they just sit in their house panting.