She's been constantly out every night for the last 2 weeks which is not normal for her at all, and she's never using her warm side. All husbandry is correct so there's seemingly no reason for her strange behaviour. I know these specifically aren't symptoms of IBD but no one has given me any kind of reason why she's acting strange so i have no idea why she's doing so. I know it's not a lot to go on but after the blood test results and what my vet has told me, i'm not feeling hopeful.
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I was unaware there was a test to diagnose IBD. I don't suppose you know of any places in the UK (i'm in the uk) that offer the same test or if it is just that University you mentioned? I'll definitely be asking my vet if it's something that could be arranged either way.