Browsing Research Articles (Anatomy and Physiology) by Author "Pretorius, Yolanda"

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Normalized difference vegetation index, temperature and age affect faecal thyroid hormone concentrations in free-ranging African elephants

Szott, Isabelle D.; Pretorius, Yolanda; Ganswindt, Andre; Koyama, Nicola F. (Oxford University Press, 2020-04)

Conservation biologists can use hormone measurements to assess animals’welfare, reproductive state, susceptibility to stressors, as well as energy expenditure. Quantifying hormone concentrations from faecal samples is ...
Physiological stress response of African elephants to wildlife tourism in Madikwe Game Reserve, South Africa

Szott, Isabelle D.; Pretorius, Yolanda; Ganswindt, Andre; Koyama, Nicola F. (CSIRO Publishing, 2020-02)

CONTEXT : Wildlife tourism has been shown to increase stress in a variety of species and can negatively affect individuals’ survival, reproduction, welfare, and behaviour. In African elephants Loxodonta africana increased ...

Now showing items 1-2 of 2

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