Buff Orp with runny poo

I noticed quite a few of her poos were runny ( in fact she has done a few beside me and they sound mega squirty and spread over quite a distance) this has been for a few weeks but as she was having quite a heavy moult I was putting it down to the changes in her body.
Incredibly within a week her feathers have bloomed and a bare neck is bouncing along nicely now. She has become quite friendly again now rather than running when we go near. She has just laid her first egg again after moulting bit smaller than her usual but a good strong one.
The poo is most noticeable in the coop as I have to wait for it to set then I can poo pick ( glamorous side of the hobby).
We were only just saying how well she looks so definitely no sign of being off colour. Her diet hasnt changed. Any thoughts would be welcome, can it just be one of those things, I can't guarantee if she is doing any more solid poos or not, she free ranges most of the day

No they haven't I have checked and can't see any worms but guess some may not be visible, the others aren't runny but guess it won't hurt to worm them. Am I best to get a sack of treated pellets I only have 4 girls or is there an easier one dose option

Think I will try the daily dose method they love being cuddled so easy to hand feed. They would shout the neighbourhood down if they couldn't free range.

Thanks for all your advice