Spinach can be harmful for blue tongue skinks in large amounts so you should keep consumption to a minimum or avoid feeding it altogether. Despite being a nutrition-packed dark leafy green, spinach has an extremely high content of oxalates which bind to calcium and prevent it from being properly absorbed. Calcium deficiency can lead to a variety of diseases from tail rot to metabolic bone disease which is potentially lethal for reptiles. One cup of raw spinach can contain 700-800 milligrams of oxalates, which is way too high for safe consumption by blue-tongued lizards.
Key takeaway: don’t feed spinach to skinks
Spinach contains insane amounts of oxalates, a compound that can prevent calcium absorption. Consuming spinach regularly may lead your skink to experience calcium deficiency or, in the worst case, metabolic bone disease, which is potentially lethal to reptiles.
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