Worms or not?

First off fantastic forum, a God send for the grower and chook keeper! I have used the search function and clicked through tons of pages on this section to try and gain a little help with a problem with one off my girls. Sadly I am struggling to find any concrete help, so I am kinda hoping a fellow forum user might help in replying to my problem....
 Just over two weeks ago purchased and arrived home with three POL ISA Brown hen's at 10 weeks old, everything a ok and the girls settled in well. A day or two after I noticed one Hen constantly eating from the feeder and not behaving like the other girls who were happy raking in the grass, eating it and little and often going to the feeder. A couple days later she developed a messy bottom, hunched up a looks really sad, she eats and drinks very little, I have checked her crop that is fine and checking all the poo no sign of worms, any help would be greatly received.

Regards
Colin.   

Many thanks for your reply ghost61, I might be a little unsure of their true age, but I was told by the lady I purchased them from that they would be laying around august, I was not told if they were vaccinated and just assumed it would be standard practice (maybe a lesson learnt me thinks), but there is no blood in any droppings.
 The hen's I got are not from her own stock, I was told that chicks come from a hatchery and brings them on.   

Welcome to the site Kirk76.   

If your chicks are over 6 weeks old they should be fed growers pellets and then they have layers pellets when they start to lay.

The hot weather could be causing the problem or even the move.  I would advise you to separate her from the others so you can monitor how much she is eating and drinking.  You can give her a luke warm bath to clean her vent area as she will be open to fly strike if she has a messy bottom.  Gently towel dry and in this weather she should soon dry off fully (in colder weather dry with a cool setting on a hairdryer). 

You can try tempting her with growers pellets with boiled water making a porridge and allow it to cool enough for her.  If she eats that she will be getting food and water together. 

Chickens also need grit available so they can digest their food, they use it to grind their food in their gizzard. 

If she not eating or drinking at all you will need to contact a poultry friendly vet as soon as possible, chickens can go down hill very quickly.

Where abouts are you Kirk76?

She may just be the lowest in the pecking order and that is why she gorged herself when the others were busy in the garden.  If she hasn't been fed the right food and put on layers too early that won't help either.   

There is some information on poultry friendly vets, HERE , HERE and a find a vet link HERE

If you can post some photos of your hens we may be able to determine how old they might be.  Best not to feed them on layers until the first one starts to lay, they need the growers until then.   

A little update guys, sad news the little girl passed during the night, gutted! I really wanted to get to the bottom of the this problem and not wanting to go to much into gory details, I opened her up to to look at her internal organs. Her keel was slightly deformed and liver looked a great deal smaller than it should be, maybe these factors and the stress and hassle of the move to their home here was sadly to much for the little poppet.
 I suppose you have to just deal with these issues when keeping livestock, though it's not easy. Anyway many thanks for all the help and advice guys.

P.S The other girls are on grower's as from this morning and will upload some photo's asap.

You did your very best for her and she could not have asked for more. Sometimes these things just happen