We've just moved house and I realised our girls hadn't been weighed for a couple of months (we usually do it much more regularly). Two are fine but one who I thought had felt a little lighter is down by 100g. She's eating really well, bright and cheerful and I can't see or feel any lumps or bumps. I'm going to book a vets appointment on Monday but I'm now quite concerned. She's about two and a half with no previous issues at all.
Has anyone had anything like this before with a happy outcome?