If it is cooked with salt I would not give it to them myself. Too much salt can be harmful to chickens. In my post about oatmeal above I cook it just for the chickens without any salt.
I have a flock of 22 chickens. They are just starting to lay eggs. I made a batch of oatmeal for them. I cut up a lot of garlic into small pieces and mixed that in before I gave it to them. I did not cook the garlic in the oatmeal. They absolutely loved it not leaving one little speck. I...