I have used it like this. I put fleece under the hay at first but then realised after the first day (the piggies came home to us on xmas eve) that they were going to wee in that area A LOT! So changed and put a disposable baby changing mat from Aldi in the bottom and hay over. It’s actually worked really well and loads of the poo and wee have ended up being condensed into this area.
They don’t seem to be eating much hay though which I’m starting to worry about but will leave them to settle in a bit longer and see what happens.
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