It is good that she laid a normal egg. The yellow urates are still concerning. I’m not a vet, just a chicken owner. In my experience, I have seen the yellow urates usually in hens over 2-3 years old. That can be a sign of ascites/water belly, a reproductive disorder, heart failure, but also is...
LA200 is oxytetracycline and an injectable antibiotic meant for cattle. It can be effective if given as an injection once every 3 days, but more for respiratory diseases. As you may know there is an amoxicillin shortage presently. Some people might have a stash of it at home, but it is hard to...
Has she ever laid eggs, and when was the last one? Have you seen any soft or thin-shelled eggs? The bright yellow looks like the normally white urates are yellow, which could be a reproductive infection that has caused liver problems. Does it look like there is any yolk or egg white in her...