I know, I've already made a thread about dusting crickets, and yes, some of you may be grumbling, but I felt I needed to be more specific. Now, onto my questions:

MBD: The ominous possibility

I currently feed my crickets lettuce/salad and bran, occasionally with cucumber, carrot, bread, and fruit. However, my frogs seem to never eat calcium-dusted crickets. I've little idea why. However, I do have a UVB lamp that stays on for about 10-12 hours daily, giving my frogs vitamin D3. I've done the thigh test [Hard=MBD/Soft=Normal] although I am not sure if it applies to amphibians. Gnag came out fine. As for Bumpy, she hops, and swims as fast as a bullet, so I honestly doubt she has MBD. Gnag will hop sometimes, but not really high. She'll swim, but kind of glide over the water, whilst Bumpy just shoots through the water. I usually don't see her when she shoots into cover, I just see the ripple of water afterwards. Both frogs eat; I rarely see them do it, but most crickets have dissappeared by the morning, perhaps 1/10 have drowned, and another 1/10 escaped into the leaves on the land section.

Now here are my questions:

Do juvenile/bullfroglets need lots of calcium supplements, or would gutloading crickets and keeping the UVB light on regularly suffice?

Thank you in advance