We've been using the cubes. A few times a week, we put a couple handfuls in a bowl and soak them in water. When they've plumped up, we dump them in the treats bowls. The chooks don't go crazy over them, but they do get eaten in a day or two.
Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.