Thanks and I'm sure you can picture the smile on my face!
We have no idea what caused the ARF. We live in a fairly rural area. There are some farms not that far from me, a stream by my house and a little wooded area. I also live at newish development. We are one of only a few houses at the start of it but back in its quite built up and who knows what she could have gotten into in a shed or garage. My cats do hunt quite a lot and bring home birds, shrews and mice so could have been anything she bit into. I'm just surprised that is it was poison that she didn't start fitting etc.