short anser....NO.
crickets make the best feeder IMHO for many reasons.
one of the best reasons to use crickets is that they can be well gut loaded with a wide range of healthy foods.
but let's be realistic here...when feed out to our chams, not all will have thier digestive track filled with food.
in fact, I'll bet that half to maybe 3/4 of our feeders have little in thier bellys and have pooped out all the food before feeding time.
I would also like to belive that the "juice" that makes up alot of the insides of a cricket contains some of the vitamins/mierals and other goodness that we feed to them.
but I wont hold my breath untill it is proven.
regardless, dusting is still needed to help with the calcium that all chams need.
Harry