This situation of one calcium sac becoming fuller than the other one I have seen before. The obviously uneven calcium sacs are an indication of disease but it usually does not equal death (McKeown does not address this in his manual). The enlarged glan can be drained of the excess calcium but this procedure should not be attempted by an inexperienced keeper. Most vets would not do the procedure as the condition is not life threatening. Rock hard calcium sacs that turn from a normal white color is a serious condition and do need medical attention.

Enlarged calcium sacs are rarely seen in day geckos kept under natural sunlight or (as I do) kept without UV lighting. Unusually large sacs occur more often in day geckos kept under UV lighting, due not necessarily over-supplemention but incorrect supplementation.

To help this situation, try to find a supplement that has smaller amounts of Vitamin A (most reptile supplements have higher quantities than needed by day geckos) and a minimal supply of Vitamin D3.

Leann Christenson
Leaping Lizards Day Geckos
www.daygecko.com

For an up-to-date book on day geckos try "Day Geckos In Captivity" on my website.

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