Re: Why is that?

Posted by KATHY on July 10, 2000 at 12:34:20:

In Reply to: Why is that? posted by EJ on July 09, 2000 at 21:52:57:

From the Tortoise & Turtle Feeding Manual, published by the Tortoise Trust:

"Some food items which appear initially to represent good sources of dietary calcium are not as attractive on closer examination. Beet greens, kale, spinach and members of the Goosefoot family contain relatively high Ca levels but this is bound up with oxalic acid which reacts with calcium to form insoluable calcium oxalate."

So, even though the food has a high calcium level, the calcium is not absorbed.

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: From the Tortoise & Turtle Feeding Manual, published by the Tortoise Trust: : "Some food items which appear initially to represent good sources of dietary calcium are not as attractive on closer examination. Beet greens, kale, spinach and members of the Goosefoot family contain relatively high Ca levels but this is bound up with oxalic acid which reacts with calcium to form insoluable calcium oxalate." : So, even though the food has a high calcium level, the calcium is not absorbed.

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