I have 4 2 year old chickens and one has not laid an egg since 3/8/23, which I didn't think too much of. Today when I went to check for eggs I noticed the chickens had egg yolk on their heads, again didn't think too much about I have had eggs crack and they will obviously eat them. When I looked in the nesting box I saw a little bit of weird poop which I will post a picture of. I am not sure if this is normal poop or not. So I checked the one who has not laid in a couple of days, and she had yolk on her butt, not coming from her vent just some on her butt. I am worried a egg was broken inside her but I have never dealt with this, so I am wondering if that did happen what should I be looking out for? I am worried I don't want to lose her especially if I can prevent it. They are all acting normal. Thank you in advance!!!