Poor Aryaman’s story is heartbreaking (first-time chickener lost/losing his entire flock to Marek’s after bringing in some chicks.)Asked about the set up to see how easy/hard integration will be once time comes. Since you have a lot more little ones than adults that will help.
As far as biological quarantine give this a read if you haven't already: https://www.backyardchickens.com/ar...nderestimated-part-of-raising-chickens.67097/
