It breaks my heart to read this.
I'll continue to keep her in my thoughts until that day comes.
I know the hardest thing is not being able to be greeted by that darling face of hers after its her time(its how it is everyday without Sid here), but take pride in the fact that you've stuck with her through thick and thin.
Zara, Tia is the luckiest rat in the world to have you as her mum. There are few people in this world that would go to such lengths for any rodent, and I'm glad to know that you are one of them.

Major ((((((HUGS)))))) to you & Miss Tia.