I have a mess of cracked wheat I'd like to give my geese - can I just put it in their foodpan? What is this "on the water" feeding thing - should I put it in their tubs for them to suck up? They're not eating the nice chopped lettuce I gave them, either - they picked at it a bit but didn't eat much. Can they eat it in that form? If not, how the devil do they eat grass?! I'd love to give them treats but I haven't found anything they've liked yet.