Why do pet turtles and tortoises usually get a calcium supplement?

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  1. To make food taste sweet
  2. To keep bones and shell strong
  3. To replace their UVB light

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References

  1. Merck Veterinary Manual (pet owner): Providing a Home for a Reptile www.merckvetmanual.com/all-other-pets/reptiles/providing-a-home-for-a-reptile Checked 2026-10-11.
  2. UC Davis California Veterinary Emergency Team: Avian and Exotics Animal Care and Feeding Guide (Jan 2025), Turtle/Tortoise Care cvet.vetmed.ucdavis.edu/sites/g/files/dgvnsk13661/files/inline-files/CVET%20Avian%20and%20Exotics%20Animal%20Care%20and%20Feeding%20Guide%20010725.pdf Checked 2026-10-11.

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