Adaptation strategies of Shetland ponies (Equus ferus caballus) to seasonal changes in climatic conditions and food availability
eBook - PDF

Adaptation strategies of Shetland ponies (Equus ferus caballus) to seasonal changes in climatic conditions and food availability

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  1. 192 pages
  2. English
  3. PDF
  4. Available on iOS & Android
eBook - PDF

Adaptation strategies of Shetland ponies (Equus ferus caballus) to seasonal changes in climatic conditions and food availability

,

About this book

Outdoor group housing is increasingly recognized as an appropriate housing system for horses. However, ambient temperatures in Central Europe can range from -25°C in winter to +35°C in summer, thus exposing animals to extreme environmental conditions. Simultaneously, food quantity and quality may vary substantially with seasons. Whether domesticated horses can adapt to these harsh conditions, like their wild ancestor the Przewalski horse, has been in debate, because domestication represents a manipulation of the natural selection process. Little information is available on the behaviour of domestic horses under such conditions. Therefore, this dissertation analysed physiological and behavioural adaptation strategies of a robust domesticated horse breed, the Shetland pony, under semi-extensive housing conditions. The main focus was on changes in metabolic rate, water metabolism, locomotor activity, lying time and several blood parameters over the course of a year.Die Gruppenhaltung von Pferden unter Außenklimabedingungen wird zunehmend als tiergerechte Haltungsform angesehen. Allerdings sind die Pferde dabei starken klimatischen Schwankungen ausgesetzt, da die Umgebungstemperaturen in Zentraleuropa von -25°C im Winter bis +35 °C im Sommer reichen können. Gleichzeitig kann die FutterqualitĂ€t und -quantitĂ€t erheblich innerhalb des Jahres schwanken. Da die Domestikation eine Manipulation der natĂŒrlichen Selektion darstellt, ist es fraglich, ob sich domestizierte Pferde, wie ihre wilden Verwandten, die Przewalski Pferde, an solch raue Umweltbedingungen anpassen können. Bisher gibt es wenige Informationen ĂŒber das Verhalten domestizierter Pferde unter solchen Haltungsbedingungen. Ziel dieser Dissertation war folglich die Analyse von VerhaltensĂ€nderungen und physiologischer Adaptationen einer domestizierten, robusten Pferderasse, dem Shetland Pony, unter semi-extensiven Haltungsbedingungen. Das Hauptaugenmerk liegt dabei auf Änderungen der StoffwechselaktivitĂ€t, des Wasserumsatzes, der BewegungsaktivitĂ€t und der Liegedauer sowie unterschiedlicher Blutparameter im Jahresverlauf.

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Information

Year
2012
Print ISBN
9783954042098
eBook ISBN
9783736942097
Edition
1

Table of contents

  1. TABLE OF CONTENTS
  2. SUMMARY
  3. ZUSAMMENFASSUNG
  4. CHAPTER 1 INTRODUCTION
  5. CHAPTER 2 Adaptation strategies to seasonal changes in environmental conditions of a domesticated horse breed, the Shetland pony (Equus ferus caballus)
  6. CHAPTER 3 Effect of long-term feed restriction on health status and welfare of a robust horse breed, the Shetland pony mares (Equus ferus caballus)
  7. CHAPTER 4 Equilibration times of the isotopes 18O, Deuterium and Tritium in animals studies. A meta analysis.
  8. CHAPTER 5 Seasonal changes in total body water and water intake of Shetland ponies measured by an isotope dilution technique
  9. CHAPTER 6 GENERAL DISCUSSION
  10. Acknowledgements
  11. Lebenslauf