Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-59887
Hoby, S; Clauss, M; Aebischer, A; Wenker, C; Robert, N; Liesegang, A (2012). Dry matter and calcium digestibility in captive veiled chameleons (Chamaeleo calyptratus). Journal of Animal Physiology and Animal Nutrition, 96(5):778-782.
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Although metabolic bone disease (MBD) is a very common disease in reptiles kept as pets, empirical data on the calcium (Ca) metabolism of reptiles are still scarce. We used the opportunity of a large-scale experimental study on growth and clinical manifestations of MBD in captive veiled chameleons (Chamaeleo calyptratus) to measure the apparent dry matter (DM) and Ca digestibility in 19 animals (6-49 g), receiving locust nymphs (Locusta migratoria) of two size classes (0.05 and 0.5 g) with or without supplementation of Ca, vitamin A and cholecalciferol (Group A: Ca 0.04-0.09%DM; Group B: Ca 0.47-0.84%DM). Dry matter digestibility was significantly lower for animals receiving smaller-sized prey. A regression analysis of dietary Ca vs. digestible Ca content revealed a complete 'true' digestibility of Ca for the range of investigated diets, which might indicate that requirements for this mineral were not yet exceeded by the diets used (so that a reduction in Ca absorption would be induced). Options of higher dietary Ca provision, and reactions of chameleons to such diets, should be further investigated.
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|Item Type:||Journal Article, refereed, original work|
|Communities & Collections:||05 Vetsuisse Faculty > Institute of Animal Nutrition
05 Vetsuisse Faculty > Veterinary Clinic > Department of Small Animals
|Dewey Decimal Classification:||570 Life sciences; biology
|Deposited On:||17 Mar 2012 19:32|
|Last Modified:||30 Oct 2014 15:45|
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