It's day 2 with my new pita pinta pullets (10 weeks old), and at 6:45 am I changed their water and opened their feeder (I have a treadle feeder that they are too light to operate, so I prop it open with a brick during the day and close it at night to keep creatures out). I thought they'd be rushing the feeder, based on what I've read here, but they were basically somewhat desultory and don't appear to be chowing down yet. One of them sort of quietly trilled at me, but I can't tell if this is sociability or distress (these are my first chickens). Are they still just getting used to the new environment? Or could they have become sick from feeling stressed at the change?