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  Leopard Gecko Caresheet  Previous Leopard Gecko Caresheet
    About This Guide
    Introduction to Leopard Geckos
       Leopard Geckos In Captivity  Taxonomy
         Physical Characteristics
             Leopard Geckos In Captivity  Lamellae
       Leopard Geckos In Captivity  Behaviors
    Selection
       Leopard Geckos In Captivity  Physical Appearance
       Leopard Geckos In Captivity  Check List
       Leopard Geckos In Captivity  Breeders vs. Petstores
    Preparation
    Housing
       Leopard Geckos In Captivity  Setups
             Leopard Geckos In Captivity  Aquariums
             Leopard Geckos In Captivity  Racks - WIP
                   Leopard Gecko Rack Plans
                       1. Rack Plans (p1)
                       2. Rack Plans (p2)
                       3. Rack Plans (p3)
                  Leopard Geckos Breeding Rack Plans  Breeding Rack Plans
                  Leopard Geckos In Captivity  Simple Rack System Plans
          Leopard Geckos In Captivity  Heat Tape
                   Wiring Heat Tape To Racks
                  Leopard Geckos In Captivity  Wiring Tape To Dimmer Switches
          Leopard Geckos In Captivity  Custom Enclosures
    Substrates
          Leopard Geckos In Captivity  Artificial
          Leopard Geckos In Captivity  Natural
                Calcium Sand Substrates - Dangers
  Leopard Geckos In Captivity  Hides - Shelters
          Leopard Geckos In Captivity  Moist Hide Creation
    Heating
          Leopard Geckos In Captivity  Heat Rocks - Hidden Danger
          Leopard Geckos In Captivity  Temperature Control
    Lighting
  Leopard Geckos In Captivity  Tank Decor
  Leopard Geckos In Captivity  Landscaping - WIP
         Artificial Terrain
       Leopard Geckos In Captivity  Planting
  Leopard Geckos In Captivity  Diet
         Supplementation
       Leopard Geckos In Captivity  Feeder Prey
             Leopard Geckos In Captivity  Feeding - Offering Prey - Quantities
                   Complete Feeder Insect Index
                        Breeding Crickets
                       Breeding Mealworms  Breeding Mealworms
                       Breeding Waxworms  Breeding Waxworms
                       Breeding Butterworms  Breeding Butterworms
                       Breeding Superworms  Breeding Superworms
                       Breeding Silkworms  Breeding Silkworms
                       Breeding Phoenix Worms  Breeding Phoenix Worms
                       Breeding Orange Spotted Roaches  Breeding Orange Spotted Roach
                       Leopard Geckos In Captivity  Breeding Lobster Roaches
  Leopard Geckos In Captivity  Handling
    Cleaning
  Leopard Geckos In Captivity  Breeding
       Leopard Gecko Breeding Preparations  Preparations
         Sexing
         Cooling
       Leopard Geckos In Captivity  Grouping
       Leopard Geckos In Captivity  Egg Collecting
       Leopard Geckos In Captivity  Egg Candling
       Leopard Geckos In Captivity  Incubation
       Temperature Effects On Leopard Gecko Incubation  Temperature Effects On Incubation
       Leopard Geckos In Captivity  Rearing Offspring
       Leopard Geckos In Captivity  Large Scale - Commercial
    Genetics
          Leopard Geckos In Captivity  Introduction
          Leopard Geckos In Captivity  Terminology
          Leopard Geckos In Captivity  Basics 101
          Leopard Geckos In Captivity  Punnett Square
          Leopard Geckos In Captivity  Morphs List - WIP
          Leopard Geckos In Captivity  Ontogeny Chronology - WIP
          Leopard Geckos In Captivity  Creating New Morphs
    Health
          Leopard Geckos In Captivity  Quarantining
          Leopard Geckos In Captivity  Common Diseases
                Parasites
               Leopard Geckos In Captivity  Identification - Treatments
          Leopard Geckos In Captivity  Impaction
          Leopard Geckos In Captivity  MBD (Hypocalcemia)
          Leopard Geckos In Captivity  Caudal Autotomy (Dropped Tail)
          Leopard Geckos In Captivity  Shedding Issues
          Leopard Geckos In Captivity  Vision Issues
          Leopard Geckos In Captivity  Cagemate Aggression
    Miscellaneous
          Leopard Geckos In Captivity  Coloring Pages
          Leopard Geckos In Captivity  Glossary
          Leopard Geckos In Captivity  Record Keeping
          Leopard Geckos In Captivity  Donations
          Leopard Geckos In Captivity  Advertising

Leopard Gecko Egg Candling

Fertile Leopard Gecko Egg
© Penny Chye
Egg candling does not involve any type of flame, or candle for that matter. Egg candling is the means in which you view the developing embryo within an egg to determine the eggs fertility and embryo development.

Candling is done in a dark room with the egg held on top of, or in front of a strong light. As the light penetrates the egg, it lights it up and makes it possible to observe the inside of the egg. Candling leopard gecko eggs should occur no sooner than 2 weeks after the egg has been laid. This will allow the embryo some time to develop, which is important if you wish to see anything.

There are commercially available egg-candlers on the market, but a mini mag flashlight is ideal.

Before you candle a leopard gecko egg, you want to ensure that the egg is marked with a pen on the "top". This will help prevent you from flipping the egg upside down and drowning the embryo.

Hold the light below or above the egg, with the marked side up, and the egg should light up. Once lit, look for some light pinkish coloring, as well as developing veins on the egg surface. These veins are carrying the nutrients to the embryo.

If the egg appears yellow or clear inside, and there are no veins present, repeat the candling again in another 2 weeks. If there are still no signs of veins or pink coloration after 4 weeks, there is a very high probability that the egg is not viable.

Egg Candling Image

The image above shows a fertile leopard gecko egg. There are very visible veins on this egg indicating that there is a developing embryo within.

Clicking the image above will increase the images size offering a larger view of the egg.


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