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Diet of lions and spotted hyaenas assessed from stomach contents

Analyses of stomach contents was used to assess the diet of lions and spotted hyaenas in the Central District of Kruger National Park. Of 257 lion and 167 spotted hyaena stomachs examined 47,1% and 10,8% respectively, were empty. The relative edible biomass contributed by each prey animal to the diet of lions is given. For spotted hyaenas the relative importance of each prey animal was assessed by considering both frequency of occurrence and the amount found in each stomach. During

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Does tooth wear influence ageing? A comparative study across large herbivores

We test whether the intensity of tooth wear influences the strength of actuarial senescence across species of large herbivores. We collected from the literature data on tooth wear in the wild (measured as the slope of the regression of log-transformed M1 crown height on age), longevity (measured as the age at which 90% of individuals are dead) and two metrics of actuarial senescence in captive populations (rate of senescence between 6 and 12 years of age and Gompertz rate of

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Enamel ridge alignment in upper molars of ruminants in relation to their natural diet

Although it is generally thought that dental design reflects mechanical adaptations to particular diets, concrete concepts of such adaptations beyond the evolution of hypsodonty are largely missing. We investigated the alignment of enamel ridges in the occlusal molar surface of 37 ruminant species and tested for correlations with the percentage of grass in the natural diet. Independent of phylogenetic lineage, species that were either larger and/or included more grass in their natural diet showed a higher proportion of enamel ridges

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Variation in voluntary intake of feeds by captive giraffe (Giraffa Camelopardalis): Implications for meeting nutrient requirements

Data prompting evaluation of captive giraffe feed selection were obtained from a modified reversal study investigating the effects of dietary physical form and carbohydrate profile. Six non-lactating adult female giraffe (Giraffa camelopardalis reticulata) were used in seven 21-day periods. Supplements were: an experimental non-pelleted browser supplement (EF) and a mixture of 75% Mazuri Browser Breeder (PMI Nutrition International, LLC, Brentwood, MO) and 25% Omelene 200 (Ralston Purina Co., St. Louis, MO) (GF). Individually housed giraffe were offered ad libitum alfalfa

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The effect of increasing dietary fibre on feeding, rumination and oral stereotypies in captive giraffes (Giraffa Camelopardalis)

Many captive giraffes perform oral stereotypies, in particular tongue-playing, licking of objects (including conspecifics) and vacuum chewing. Typically, the diet of these large ruminants in captivity consists mostly of food concentrates, which are consumed rapidly and do not provide stimulation for their long, prehensile tongues. In the wild, browsing requires extensive use of this organ but in captivity material upon which to browse is limited. Consequently, vacuum activities, such as mock leaf-feeding behaviour, and stereotypies may develop. Rumination is also

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The Giraffe Husbandry Resource Manual

Giraffes have been kept in captive situations for hundreds of years. Nevertheless, it would be very difficult to describe a singular optimal situation for keeping giraffe, outside of their natural environment. Much of the information contained within will illustrate multiple situations where giraffe were managed successfully, to allow the reader to make husbandry decisions that will best suit their individual facilities and create the most suitable program for their herd. The information found within this manual should be used as

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Giraffe Husbandry Manual

Husbandry manuals serve as a source of reference on the biology, maintenance, housing, health, behaviour, diet, breeding, restrain and transporting of animals held in captivity. They act as a major source of information for the species. The present information and experiences (both published and unpublished) together so that the knowledge of that particular species can be passed on, which in turn allows for techniques to develop rather than be reinvented resulting in the overall improvement in the husbandry of that

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The giraffe (Giraffa camelopardalis) rumen microbiome

Recent studies have shown that wild ruminants are sources of previously undescribed microorganisms, knowledge of which can improve our understanding of the complex microbial interactions in the foregut. Here, we investigated the microbial community of seven wild-caught giraffes (Giraffa camelopardalis), three of which were fed natural browse and four were fed Boskos pellets, leafy alfalfa hay, and cut savanna browse, by characterizing the 16S rRNA gene diversity using 454 FLX high-throughput sequencing. The microbial community composition varied according to diet,

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Effects of dietary physical form and carbohydrate profile on captive giraffe

The effects of altering physical form and carbohydrate profile of giraffe diets were evaluated using six non-lactating adult female giraffe in a modified reversal study. Dietary treatments consisted of a supplement ration composed of commonly fed commercial concentrates (GF) and an experimental supplement (EF) containing greater concentrations of sugars and soluble fiber and lesser concentrations of starch than GF, as well as small, heavily lignified particles used to modify dietary fiber size and texture. Each study animal was housed individually

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