My 9 chicks are 1 1/2 weeks old. One was obviously having a difficult time thriving (the other 8 have quite alot of their wing feathers but not the tiny one). They've had a plate of sand and fine grit available since day 3 and I've sprinkled a bit of their organic chick feed over the top of it daily, so I figured they had probably picked up a bit of grit. Yesterday morning they were offered very finely chopped broccoli and tomato added to a hardboiled egg with the shell on and a small hand full of dried meal worms all mixed together. They practically climbed up my arm to get to the bowl. They clean everything up before 20 minutes are up then settle down for a nap. The runt is way perkier and now I'll make sure they get this once a day.