First syptom of a tegus diet being short of calcium or a clacium imbalance is twitching.
Twitching starts in the toes , moves to the feet , legs , then results in full body shakes unless diet is corrected .
If baby tegus are fed nothing but gut loaded crickets lightly dusted with Miner Al untill they are large enough to eat hopper size mice they won't develope this problem . Once hopper size mice are taken continue feeding dusted crickets/ king meal worms and nothing else untill the animal is large enough that it will no longer want to chase down a cricket .
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Stella St.Pierre
www.bluetegu.com