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You're through to Dr. Edele, a UK based vet.
Poor Lani, I'm glad she's happy in herself though.
Is she still eating well?
Has there been any blood/strange color to her poop this week?
Is she prone to tummy upsets?
Has she had a worm/parasite treatment in the past 3 months?
It may be that she picked up a parasite swimming (eg giardia) or has had a bacterial imbalance. As she is happy and bright in herself you could offer her bland food for 3-4 days (boiled chicken and rice or scrambled egg without milk and sweet potato) and also start her on a probiotic (Protexin Prokolin is a good product given twice per day for 3 days, you can get this from your vet). If there's no significant improvement/resolution then she should be seen by your vet at that point to test for giardia or other parasites that aren't typically treated by routine parasite medications that we use.