Feeding practices for captive giraffes (Giraffa camelopardalis) in Europe: A survey in EEP zoos

Authors: Isabel Gussek, Stefan Hirsch, Monika Hartmann, Karl-Heinz Südekum, Jürgen Hummel

Publication/Journal: Journal of Zoo and Aquarium Research

Keywords: browse, concentrate, dietary proportion, dry matter intake, forage, produce

2017

Short-term digestible energy intake in captive moose (Alces alces) on different diets

Authors: Marcus Clauss, Gina-Marie Kohlschein, Andreas Peemöller, Jürgen Hummel, Jean-Michel Hatt

Publication/Journal: Zoo Biology

Keywords: alces alces, alfalfa, browse, browser, feeding, moose

2013

Comparative investigations on digestion in grazing (Ceratotherium simum) and browsing (Diceros bicornis) rhinoceroses

Authors: P. Steuer, M. Clauss, K. H. Südekum, J. M. Hatt, S. Silinski, S. Klomburg, W. Zimmermann, J. Fickel, W. J. Streich, J. Hummel

Publication/Journal: Comparative Biochemistry and Physiology - Part A: Molecular & Integrative Physiology

Keywords: black rhino, fecal particle size, fiber digestion, mean retention time, white rhino

2010

Differences in fecal particle size between free-ranging and captive individuals of two browser species

Authors: Jürgen Hummel, Julia Fritz, Ellen Kienzle, E. Patricia Medici, Stefanie Lang, Waltraut Zimmermann, W. Jürgen Streich, Marcus Clauss

Publication/Journal: Zoo Biology

Keywords: browser, captive diet, grazer, mastication, ruminant, teeth

2008

A case of non-scaling in mammalian physiology? Body size, digestive capacity, food intake, and ingesta passage in mammalian herbivores☆

Authors: Marcus Clauss, Angela Schwarm, Sylvia Ortmann, W. Jürgen Streich, Jürgen Hummel

Publication/Journal: Comparative Biochemistry and Physiology - Part A: Molecular & Integrative Physiology

Keywords: body size, browser, coprophagy, digestive anatomy, digestive physiology, foregut fermenter, grazer, herbivory, hindgut fermenter, ingesta retention, ruminant

2007

Energy supply of the okapi in captivity: fermentation characteristics of feedstuffs

Authors: Jürgen Hummel, Gunther Nogge, Marcus Clauss, Camilla Nørgaard, Kristina Johanson, Joeke Nijboer, Ernst Pfeffer

Publication/Journal: Zoo Biology

Keywords: energy content, fermentation rate, in vitro fermentation, rumen balance

2006

Energy supply of the okapi in captivity: intake and digestion trials

Authors: Jūrgen Hummel, Ernst Pfeffer, Camilla Nørgaard, Kristina Johanson, Marcus Clauss, Gunther Nogge

Publication/Journal: Zoo Biology

Keywords: browse, energy supply, okapia johnstoni, rumen balance, unmolassed beet pulp

2006

Giraffe husbandry and feeding practices in Europe: Results of an EEP survey

Authors: J. Hummel, W. Zimmermann, T. Langenhorst, G. Schleussner, M. Damen, M. Clauss

Publication/Journal: European Association of Zoo- and Wildlife Veterinarians (EAZWV): 6th scientific meeting

Keywords: conference, feeding, floor surface, giraffa camelopardalis, giraffe, laminitis, overgrowth

2006