What about a bit of scrambled egg - i have a rottie called Mia, she is one year old. She quite often suffers diarrhoea for no apparent reason, a bit of egg soon clears it up.
How you finding everything else with her?
When we first got Mia we found her very demanding and she would try and dominate us quite alot. It took a lot of constant work to sort out - but has now paid off and she is the most loving dog we could wish for.
Good luck!

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Kelsie