We've been planning on letting our silkie hatch some fertile eggs for ages. She's gone broody so many times in the past and we've always had to break her, but our schedules have finally aligned and we're ready to get some fertile eggs... and then our other silkie decided she would go broody too, and in the same nesting box! So they're both sitting there, and I'm wondering, is it safe to put eggs under two hens? Should I remove one of them? What's the best way to do this?