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Calcium References

Breves, G. et al. (1987) Effects of dietary phosphorus depletion in sheep on dry matter and organic matter digestibility. J. Anim. Physiol. Anim. Nutr. 58: 281-286.

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Clauss, M, et al. (2003) Studies on feed digestibilities in captive Asican elephants (Elephas maximus). J. Anim. Physiol. Anim. Nutr. 87: 160-173.

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Durand, M. et al. (1988) Influence of major minerals on rumen microbiota. J. Nutr. 118: 249-260.

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Frye, F. 1991. Biomedical and Surgical A spects o f C aptive R eptile H usbandry. Krieger Publishing Co. Malabar, Florida.

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Highfield, A. 1990. Keeping and Breeding Tortoises in Captivity. England, R and A Publishing Limited.

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Innis, C. (1994) Considerations for Formulating Captive Tortoise Diets. Bulletin of the Association of Reptilian and Amphibian, Vol. 4, No. 1.

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Kamphues, J. et al. (1991) Calcium metabolism of rabbits as an etiological factor for urolithiasis. J. Nutr. 121: S95-S96.

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Leon, B. et al. (1979) Calcium, phosphorus and magnesium excretion in the rock hyrax. Comp. Biochem. Physiol. A. 64: 67-72.

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Liesegang, A. et al. (2001) Influence of different dietary calcium levels on the digestibility of Ca, Mg, and in captive-born juvenile

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Galapagos giant tortoises (Geochelone nigra). Zoo Biol. 20: 367-374.

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Komisarczuk, S., et al. (1987) Effects of phosphorus deficiency on rumen microbial activity associated with the solid and liquid phase of a fermentor (RUSITECH). Repro. Nutr. Dev. 27: 907-919.

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Stadermann, B. et al. (1992) Calcium and Magnesium absorption. bei Rauhfutter oder Mischfuffer. Pferdeheilkunde. Special Issue 1: 77-80.

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