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In Dieser Arbeit Verwendete Abkürzungen Aus dem Institut für Tierernährung des Fachbereichs Veterinärmedizin der Freien Universität Berlin Grundlagen der Verdauungsphysiologie, Nährstoffbedarf und Fütterungspraxis bei Fischen und Amphibien unter besonderer Berücksichtigung der Versuchstierhaltung - Eine Literaturstudie und Datenerhebung Inaugural-Dissertation zur Erlangung des Grades eines Doktors der Veterinärmedizin an der Freien Universität Berlin vorgelegt von EVELYN RAMELOW Tierärztin aus Potsdam Berlin 2009 Journal-Nr.: 3351 Gedruckt mit Genehmigung des Fachbereichs Veterinärmedizin der Freien Universität Berlin Dekan: Univ.-Prof. Dr. vet. med. Leo Brunnberg Erster Gutachter: Univ.-Prof. Dr. vet. med. Jürgen Zentek Zweiter Gutachter: Univ.-Prof. Dr. rer. nat. Wilfried Meyer Dritter Gutachter: Prof. Dr. rer. nat. Werner Kloas Deskriptoren (nach CAB-Thesaurus): fishes, amphibians, physiology, digestion, nutrient requirements, nutrition, animal husbandry, laboratory animals Tag der Promotion: 14.12.2009 Bibliografische Information der Deutschen Nationalbibliothek Die Deutsche Nationalbibliothek verzeichnet diese Publikation in der Deutschen Nationalbibliografie; detaillierte bibliografische Daten sind im Internet über <http://dnb.ddb.de> abrufbar. ISBN: 978-3-86664-750-3 Zugl.: Berlin, Freie Univ., Diss., 2009 Dissertation, Freie Universität Berlin D 188 Dieses Werk ist urheberrechtlich geschützt. Alle Rechte, auch die der Übersetzung, des Nachdruckes und der Vervielfältigung des Buches, oder Teilen daraus, vorbehalten. Kein Teil des Werkes darf ohne schriftliche Genehmigung des Verlages in irgendeiner Form reproduziert oder unter Verwendung elektronischer Systeme verarbeitet, vervielfältigt oder verbreitet werden. Die Wiedergabe von Gebrauchsnamen, Warenbezeichnungen, usw. in diesem Werk berechtigt auch ohne besondere Kennzeichnung nicht zu der Annahme, dass solche Namen im Sinne der Warenzeichen- und Markenschutz-Gesetzgebung als frei zu betrachten wären und daher von jedermann benutzt werden dürfen. This document is protected by copyright law. No part of this document may be reproduced in any form by any means without prior written authorization of the publisher. alle Rechte vorbehalten | all rights reserved mensch und buch verlag 2010 choriner str. 85 - 10119 berlin [email protected] – www.menschundbuch.de Für meine Familie Inhalt INHALT ................................................................................................................................................................ I ABKÜRZUNGEN ................................................................................................................................................. III SYMBOLE ........................................................................................................................................................... IV TABELLEN ........................................................................................................................................................... V ABBILDUNGEN ................................................................................................................................................. VIII 1 EINLEITUNG ............................................................................................................................................... 1 2 SCHRIFTTUM ............................................................................................................................................. 2 2.1 ZOOLOGISCHE KLASSIFIZIERUNG DER FISCHE ................................................................................................ 2 2.1.1 Ordnung der Fische ...................................................................................................................... 2 2.2 ALLGEMEINE EIGENSCHAFTEN DER FISCHE ................................................................................................... 5 2.3 NAHRUNGSAUFNAHME UND VERDAUUNG DER FISCHE ................................................................................... 5 2.3.1 Morphologie und Physiologie des Verdauungstraktes .................................................................. 5 2.3.2 Motilität des Verdauungstraktes und Chymuspassage, Kotabsatz .............................................. 22 2.3.3 Resorptionsmechanismen .......................................................................................................... 30 2.3.4 Mikrobiologie des Verdauungstraktes ........................................................................................ 32 2.4 ENERGIE UND NÄHRSTOFFE; STOFFWECHSEL UND BEDARF DER FISCHE ............................................................ 36 2.4.1 Energiebedarf von Fischen ......................................................................................................... 36 2.4.2 Proteine und Aminosäuren ........................................................................................................ 38 2.4.3 Lipide und Fettsäuren ................................................................................................................ 45 2.4.4 Kohlenhydrate ........................................................................................................................... 48 2.4.5 Rohfaser .................................................................................................................................... 49 2.4.6 Vitamine .................................................................................................................................... 49 2.4.7 Mineralstoffe ............................................................................................................................. 54 2.5 ZOOLOGISCHE KLASSIFIZIERUNG DER AMPHIBIEN ........................................................................................ 59 2.5.1 Anura oder Froschlurche (Frösche, Kröten und Unken) .............................................................. 60 2.5.2 Urodela, Caudata oder Schwanzlurche (Molche und Salamander) ............................................. 61 2.5.3 Gymnophiona, Apoda, Caecilia (Blindwühlen) ............................................................................ 61 2.6 ALLGEMEINE EIGENSCHAFTEN DER AMPHIBIEN ........................................................................................... 62 2.7 NAHRUNGSAUFNAHME UND VERDAUUNG DER AMPHIBIEN ........................................................................... 62 2.7.1 Morphologie und Physiologie des Verdauungstraktes ................................................................ 62 2.7.2 Motilität des Verdauungstraktes und Chymuspassage ............................................................... 76 2.7.3 Resorptionsmechanismen .......................................................................................................... 78 2.7.4 Mikrobiologie des Verdauungstraktes ........................................................................................ 79 2.8 ENERGIE UND NÄHRSTOFFE; STOFFWECHSEL UND BEDARF DER AMPHIBIEN ...................................................... 82 2.8.1 Energiebedarf von Amphibien.................................................................................................... 82 2.8.2 Proteine und Aminosäuren ........................................................................................................ 84 2.8.3 Lipide und Fettsäuren ................................................................................................................ 87 2.8.4 Kohlenhydrate ........................................................................................................................... 89 2.8.5 Vitamine .................................................................................................................................... 93 2.8.6 Mineralstoffe ............................................................................................................................. 96 - I - 3 MATERIAL UND METHODE .................................................................................................................... 100 3.1 SCHRIFTUM...................................................................................................................................... 100 3.2 DATENERHEBUNG MIT FRAGEBÖGEN ..................................................................................................... 100 4 ERGEBNISSE .......................................................................................................................................... 105 4.1 FISCHE ............................................................................................................................................ 106 4.1.1 Zebrabärblinge (Danio rerio, Cyprinidae) ................................................................................. 106 4.1.2 Forellen (Oncorhynchus mykiss, Salmo trutta, Hucho hucho, Salmonidae) ............................... 112 4.1.3 Guppy (Poecilia reticulata, Poeciliidae) .................................................................................... 115 4.2 AMPHIBIEN ...................................................................................................................................... 116 4.2.1 Krallenfrösche (Xenopus laevis, Pipidae) .................................................................................. 116 4.2.2 Axolotl (Ambystoma mexicanum, Ambystomatidae) ................................................................ 121 5 DISKUSSION .........................................................................................................................................
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