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As to your earlier question, silkworms are a great stable. They have more protein, calcium and other nutrients than crickets but less exoskeleton. I have been feeding my dragon exclusively on silkworms the last two months without any problems. I do, however, continue to offer mixed greens every day. Silkworms are only a subsitute for crickets, not greens. I dust the worms every other day with mulit vitamines and calcium to ensure he is getting all the neutrients he needs.
I never had any success with the pellets, my dragon doens't care for them at all. He will starve instead of eating them. Other brands may be more acceptable to him but I really dont' want to waste more money buying other brands to find out.
the great thing about silkworms is that i can leave a few in his cage and not worry about them snacking on my dragon later on. Also, it wouldn't be that hard to place a cup of silkworms with food to hold them for a few days if I had to go away for a weekend (would rather have somebody come over and feed him than this, just in case the worms all die).
Despite the extra cost of silkworms over crickets, I am going to pretty much stick to them as the insect stable for my dragon. They are just so much easier to care for and even if I do drop one on teh floor, it isn't going to scurry underneath my fridge before i can catch him. (probably stay where I drop him all day).