I know it's her anal glands because the smell is quite distinct - anyone who's ever smelt anal gland juice probably knows what I'm talking about
I don't think it's normal to randomly express or leak, but at the same time as least they aren't full and causing her to be uncomfortable (just causing me to gag and leave the room often).
She's on a raw diet of chicken carcass at night, brekkie is a raw mix I make up of beef, some veggies and yoghurt with chicken necks.
Any ideas on what I can do to help her? Or at least to stop them randomly leaking and stinking out the house?