For newly hatched baby dragons, feed 3-4 times a day small crickets, no bigger than the space between the dragon's eyes. Offer insects for about 5-10 minutes or till they stop eating the crickets, whichever comes first. Dust the crickets every feeding with a good reptile multivitamin and calcium with d3. The cage setup can be the same as the adults, except much smaller (10-20 gal is good to start, t hen moving to 35gal when about 6" long, nose to tail tip). Line with papertowel to make cleaning easier and avoid all risk of impaction.
Very small silkworms can be used or newly hatched roaches of various species.
Very important to mist several times a day, the dragon, not the cage and have a small dish of water available (too small for the dragon to get into,so it doesn't get contaminated). The dragon probably won't drink from it anyway but some do anyway.
Make sure you have a basking temp of around 100-115F as babies seem to like higher basking temps than adults.
Offer greens as well, finely choppeed as you are already doing. hatchling babies are really not interested in greens but dropping their crickets onto the salad usually gets them to eat some greens anyway with their crickets. Soaked pellets can be added to the salad as well.
Make sure you have a fresh UVB bulb for the baby as well. They do need access to UVB for proper health and growth.
You can pretty much stick to the above routine till the dragon reaches about two months old, then you can cut the feedings down to 2-3 times a day. At about 4 months old, just feed twice a day crickets and dust one feeding a day. After about 8 months you can go to one feeding of insects a day and salad available all day. Once adult, you can feed salad every day and insects 2-3 times a week, dusting once or twice a week.
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PHLdyPayne