my bitch has had a phantom pregnancy yet again 1st time she wasnt mated this time she was but unfortunatly no babies she was due to have whelped in 2days time now she has started to mount our dog and mate with him as if she is the dog and he the bitch?any ideas has to why she is doing this she is also very excitable tail never stops wagging and she is eating a alwful lot as well as drinking an alwful lot?

I'd get her to your vet asap, especially if she is drinking an unusal amount.
Bec