Reptile husbandry essentials — UVB (290–300 nm) for vitamin D3/calcium, species-specific temperature gradients

Reptile husbandry essentials

Source: Merck Veterinary Manual (merckvetmanual.com), a copyrighted professional veterinary reference. Per COPYRIGHT_POLICY §3, the points below are paraphrased derived fact summaries: numerical values and proper nouns are preserved from the source, but sentences are rewritten and not quoted verbatim.

Claims

*[Paraphrased derived summary — non-Open-Access source.]* UVB light (290–300 nm) is especially important for most day-active lizards and turtles/tortoises (chelonians) to make vitamin D3. *[Paraphrased derived summary — non-Open-Access source.]* The temperature figures given are air-temperature gradients.