Reptile and Amphibian Nutrition

Tortoise eating hay Resa McLellan

Save The Date

Save the Date for a continuing education webinar presented by Thomas H. Boyer, DVM, DABVP (Reptile & Amphibian Practice)

Date:  Sunday, December 12, 2021

Time:  3 pm EST (New York); What time is that in my time zone?

Register today for this free, interactive, web-based seminar.



Nutrition is the leading cause of disease in reptiles and amphibians. Chronic nutritional diseases remain common, including nutritional secondary hyperparathyroidism, hepatic lipidosis, protein deficiency, hypovitaminosis A, hypervitaminosis A, pyramidal shell growth, renal disease, urocystoliths, thiamine deficiency, vitamin E/selenium deficiency, steatitis, corneal lipidosis, and obesity. The goal of this lecture is to educate veterinary health professional such that they can provide sound nutritional advice to reptile and amphibian keepers.

This lecture has been adapted from Boyer, TH, Scott, PW. Nutrition. In: Diver S, Stahl, S (eds). Mader’s Reptile and Amphibian Medicine and Surgery, 3rd ed. St. Louis, MO: Elsevier; 2016:201-223.



  1. Water
  2. Nutritional biology
  3. Herbivores
    1. Salad type diets
    2. Grasses/hays
    3. Complete manufactured diet
    4. Misconceptions
  4. Insectivores
    1. Calcium
    2. Dusting
    3. Gut loading
    4. Variety
  5. Carnivores
    1. Snakes
    2. Piscivores
  6. Omnivores
    1. Box turtles
    2. Aquatic turtles
    3. Bearded dragons
  7. Conclusions


About the presenter

Thomas Boyer earned his Doctorate of Veterinary Medicine from Colorado State University College of Veterinary Medicine in 1989. Dr. Boyer co-founded the Association of Reptilian and Amphibian Veterinarians in 1991 and he started and served as editor for the Journal of Herpetological Medicine and Surgery for 18 years. Dr. Boyer also helped establish and became one of the first Diplomates of the American Board of Veterinary Practitioners in Reptile and Amphibian Practice in 2011. Dr. Boyer owns the Pet Hospital of Penasquitos in San Diego, California, where he treats a diverse reptile caseload.


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Webinar FAQ

How do I view the live webinar event?

After registering, you will receive a confirmation email via Zoom. To access the webinar on December 12, simply select the Join Webinar button OR copy and paste your personalized URL link into your browser.

When entering the webinar “room”, you will be prompted to download webinar service software. This software can be downloaded immediately before the webinar or right now to ensure a pleasant, viewing experience.

Do I need special equipment to view and listen to a webinar?

All you need is a computer (or similar device) with an internet connection. Provided your computer has speakers (can you listen to music?) you will be able to view and listen to the webinar.

What web browsers are recommended?

Recommended browsers include Internet Explorer 8 or greater, Mozilla Firefox 3 or greater, Google Chrome or Safari 4 or later. Adobe® Flash® Player 11.3 or later must be installed.

What if I’d like to view the course on a mobile device?

Apps for viewing the webinar are available for and .

Will I be able to ask questions?

If you attend the live webinar, you will be able to ask questions by typing into a chat box on the webinar screen. The speaker will read out and answer as many of the questions as possible.

What happens if I miss the live webinar?

The webinar will be recorded, and the recorded version will be available for viewing after the live presentation.

Additional questions or concerns?
Please contact LafeberVet at


RACE approval

This program 856681 is approved by the American Association of Veterinary State Boards (AAVSB) Registry of Continuing Education (RACE) to offer a total of 1.00 CE credits to any one veterinarian and/or 1.00 veterinary technician CE credit. This RACE approval is for Category: Medical Clinical using the delivery method of Interactive-Distance. This approval is valid in jurisdictions which recognize AAVSB RACE; however, participants are responsible for ascertaining each board’s CE requirements. RACE does not “accredit” or “endorse” or “certify” any program or person, nor does RACE approval validate the content of the program.

To cite this page:

Boyer TH. Reptile and amphibian nutrition. LafeberVet web site. Nov 2, 2021. Available at