Please let her read the article on BYC . It's very detailed, with lots of clues on how to diagnose. (You said she was the smart one at home).So my wife thinks the little rooster with the hurt leg is actually suffering from Marek's. I sure hope she's wrong.![]()
The first obvious thing that could be other than Marek is vitamin deficiency, have you looked into this ?
https://www.backyardchickens.com/articles/the-great-big-giant-mareks-disease-faq.66077/