Since this has happened twice from the same breeder and they have been in your care a very short while. Even though they are young and typically outward signs of deficiency do not show themselves yet. I would suspect deficiency.
We can only do a process of elimination without a vet intervention...
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Is she laying on her side like this all the time or did you just pick her up and she is frightened? She is griping her rear feet as if thats the last thing sh had a hold of and you placed her down is she is scared to move.
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It is hard to help without more information. EX: How long he has been in your care? How old is the uvb? How far is the uvb from the basking spot? What multivitamin do you use and regimen? Describe his urates, etc...
To add to the possibilities. Make sure your chameleon is properly hydrated.
From my experiences its around the 5-6 month mark "if and when" a panther may start to shows signs of a deficiency. Id recommend implementing a multivitamin with a preformed version of vitA. Reptivite or cal plus have...
That is the preformed version.
Rubbing his turret on the branch is more than likely a possibility of one or more of the following: long periods of low humidity, debris, shed and lastly possible infection.
Female turret closed. Give her long water sessions.
The reason any preformed version of...
More than likely the mites come the source your buying the cultures from. In any event, they are more of a nuisance than anything. No harm to your animal but if they do get crazy out of control. They will crash your cultures. Just put some mite paper/tape down to keep them at bay. Finding mite...
If you dont mind me asking. What are your experiences with interbreeding? How many generations have you successfully bred into with no ill affects?
With most animals, long term interbreeding has genetic consequences that weaken/defect/deform life.