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| Content Provider | Springer Nature Link |
|---|---|
| Author | Arnhold, W. Anke, M. Goebel, S. |
| Copyright Year | 2002 |
| Abstract | The assessment of the mineral status of different species of wild animals depends on the knowledge of their normal status. Using the values of mineral concentrations in organs which are regarded as the limit values for sufficient mineral supply in domestic animals results in overestimating the incidence of mineral deficiency in wild animals. Due to the fact that the mineral status is species-specific, organ tissues and hair of species of opossum and gray fox were analysed and compared with ruminants of different feeding types.Tissues from liver, kidney, cerebrum, rib, skeletal muscle, heart, lung, aorta, spleen, pancreas, and hair of opossum and gray fox were obtained at necropsy of the Zoological Society of San Diego. After dry ashing of samples the Cu, Zn and Mn concentration were analysed by optical emission spectroscopy with inductively coupled plasma.The trace element status of opossum and gray fox depends on species, age, sex, and mineral intake. Compared to cerebrum the livers of opossum and gray fox accumulate Cu to the same extend as omnivores but to a fewer extend than carnivores and omnivores. Whereas the Zn concentration of the liver in ruminants is higher than that of ribs which are regarded as the best indicator tissue to reflect the Zn status, opossums and gray foxes do not follow this rule. However no differences were found between the animal species and nutrition categories regarding the Mn status.Die Einschätzung des Mineralstoffstatus der verschiedenen Wildtierarten hängt von der Kenntnis ihres Normalstatus ab. Die Verwendung von Mineralstoffkonzentrationen in Organen als Grenzwerte für eine ausreichende Mineralstoffversorgung, die für landwirtschaftliche Nutztiere gültig sind, kann zu einer überschätzung von Mangelsituationen bei Wildtieren führen. Auf Grund der Artspezifität des Mineralstoffstatus wurden Organgewebe und Haar vom Opossum und Graufuchs analysiert und mit den Werten der verschiedenen Ernährungstypen von Wiederkäuern verglichen.Gewebe von Leber, Nieren, Gro\hirn, Rippen, Skelettmuskel, Herz, Lungen, Aorta, Milz und Pankreas sowie Haar wurden von Tieren in der Pathologie der Zoologischen Gesellschaft von San Diego entnommen. Nach trockener Veraschung der Proben erfolgte die Cu-, Zn- und Mn-Analyse mit ICP-OES.Der Spurenelementstatus von Opossum und Graufuchs wird von Tierart, Alter, Geschlecht und Mineralstoffaufnahme bceinflusst. Im Verhältnis zum Gro\hirn speichern die Lebern von Opossum und Graufuchs ähnlich hohe Mengen an Cu wie Omnivoren, aber zu einem geringerem Ausma\ als Fleisch- und Pflanzenfresser.Während bei Wiederkäuern die Leber mehr Zn als die Rippe speichert, welches als das beste Zn-Indikatorgewebe angesehen wird, enthalten sie bei Opossum und Fuchs weniger Zn. Hinsichtlich des Mn-Status bestanden zwischen den Tierarten und Ernährungstypen keine Unterschiede. |
| Starting Page | 77 |
| Ending Page | 86 |
| Page Count | 10 |
| File Format | |
| ISSN | 00442887 |
| Journal | European Journal of Wildlife Research |
| Volume Number | 48 |
| Issue Number | 1 |
| e-ISSN | 14390574 |
| Language | German |
| Publisher | Springer-Verlag |
| Publisher Date | 2002-01-01 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Opossum Graufuchs Kupfer Zink Mangan Animal Ecology Zoology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Ecology Animal Science and Zoology |
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