holes in shell

* Abrasions: your turtle might be rubbing itself agains some

rocks in the cage. Remove the rocks and it should heal.

* Poor shedding. If your turtle does not shed scutes well, water

collects under partially shed scutes; a paradise for bacteria.

* Bites by another turtle.

* Husbandry issues, leading to shell rot.

* Somebody actually drilled a hole into the shell

* dog bite