I needed some layers so a friend who owns an organic egg farm gave me some of his red sex links pullets POL. They look okay, the combs are a little pale, their weight seems right, clear eyes, no cough, no running nose/discharge, poop looks ok. How long should I quarantine? I was thinking 2 weeks, but I want to be safe, I have a nice flock of breeder BCMs and I don't want to make a HUGE mistake.