 Reference Base  Fatty acid status in captive and free-ranging black rhino... |
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Clauss, M.; Dierenfeld, E.S.; Bigley, K.E.; Wang, Y.; Ghebremeskel, K.; Hatt, J.M.; Flach, E.J.; Behlert, O.; Castell, J.C.; Streich, W.J.; Bauer, J.E., 2008. Fatty acid status in captive and free-ranging black rhinoceroses (Diceros bicornis). Journal of Animal Physiology and Animal Nutrition 92 (6): 231-241, figs. 1-4, tabs. 1-5
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| Location: |
World |
| Subject: |
Ecology - Food |
| Species: |
Black Rhino |
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It has been suspected that the fatty acid (FA) status of captive black rhinoceroses (Diceros bicornis) differs drastically from their free-ranging conspecifics, due to the difference in FA pattern between the natural forage and the captive diet. Natural forage of black rhinoceros, and temperate browse, contains a n-6/n-3 FA ratio (expressed as % of total FA) of 0.1-0.3. In contrast, zoo diets, assuming a hay:concentrate ratio of 61:28, have a n-6/n-3 ratio of 1.2. Therefore, significant differences in FA body composition between free-ranging and captive black rhinoceroses can be suspected.
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