I think my baby has Mareks

[XscoreX]

I have a one year old silkie hen who recently went lame. She just sits and can barely walk, if I try to move her she just falls right on her face. She can shuffle around a little but not very much. She is super thin and her breadtbone is sticking out. Ive seperated her from the flock and have given her diluted gatorade and hardboiled mashed up eggs which ahe wolfs down. You have to put it right in front of her face though. Im not sure what I should do withe rest of my flock though. No one else is sick, they are all fine. Should I cull my sick silkie, I really dont want to, I just dont want to lose the rest of my flock, I have a few duccles and a few cochins. Not sure what to do now.

Heres a pic of my flock

 

[Shadrach]

You need to try and ascertain if she does or doesn't have Mareks before you make any decisions.
There are often other symptoms such as one leg sticking out more than the other.
There are some helpful articles here (use the search) on Mareks that might help.
Some pictures of your sick hen would also help those here who have Marek's experience.
I don't have any direct experience with Marek's although I have had a hen who went lame.
Not all lameness is caused by Marek's.
Good luck.

 

[Chickem707]

I’ve had a chicken like this for a long time, pretty sure it’s a vitamin deficiency, but I’ve kept going on with the vitamins as I didn’t want to just randomly kill her without at least trying something.

 

[Eggcessive]

Do you have any chick vitamins or human vitamin B complex tablets that you crush onto some food (1/4 tablet daily?) Chicken slings and chairs can be helpful to get them in front of food and water, but I also think it is good for her to keep moving around on her own. Mareks is possible, and common in silkies, but I would keep trying to build her up, to see if it is something treatable. Try wetting her chicken feed with a lot of water which can be spiked with egg or a tsp of plain yogurt for probiotics. Tuna in water or liver in small amount is good as well. Here is a good link to read about Mareks:
https://www.backyardchickens.com/articles/the-great-big-giant-mareks-disease-faq.66077/