Hi We have two 13 week old goslings . Unlike chickens they are very messy. I have to clean their house everyday. I have been using hay on the plywood flooring but I have noticed that in the morning when I let them out they are very dirty. Geese are very clean animals and I know this must bother them as the first theing they do is go swimming. they have a big waterer in their house and its usually pretty dirty in the morning. Does anyone have any suggestions as to what I can use instead of hay. Thank you Micki