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Angulate Egg Development

Baby Valentine

This angulate tortoise (Chersina angulata) baby hatched on Valentine’s Day, February 14th. I planned to name the baby either Valentino or Valentina depending whether it's a boy or a girl. He turned out to be a boy, so Valentino it is. :0) Below are his "baby pictures" taken during the incubation.

The egg was laid in October. It weighed 27 g and was 8x29 mm in size. Incubation temperature in the Juragon incubator was about 88-90 °F (31.1-32.2 °C) with about 70-80% humidity. The thermometer I used at the time was not of superior quality, so I don’t know how accurate the temperature readings were. The actually incubation temperature may have been lower. Substrate was HatchRite. The baby pipped on February 11th and hatched on the 14th. His weight at two days old was 27 g.

Angulate egg at 20 days of incubation

Fertile angulate tortoise egg at 20 days of incubation. Notice the developing white band, known as chalking, around the egg. Soon the whole egg will be white in color. The egg looks dirty because I didn't wash off the soil.

Angulate tortoise (Chersina angulata) egg, 45 days

Same angulate tortoise egg at 45 days of incubation. Notice the darker embryo spot.

Angulate tortoise (Chersina angulata) egg, 45 days incubation

Other side of the egg at 45 days of incubation.

Angulate tortoise (Chersina angulata) egg, 49 days

Egg at 49 days of incubation.

Angulate tortoise (Chersina angulata) egg, 55 days

Egg at 55 days of incubation.

Angulate tortoise (Chersina angulata) egg, 67 days

Same egg at 67 days. This photo shows the increased size of the embryo. After this, I didn't candle the egg anymore. Just waited for it to hatch. :O)

Angulate tortoise (Chersina angulata) hatchling

Here he is! Just out of the egg with a grumpy face. His belly is still very rounded and he looks like a ball. :0)

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