Estimation of energy expenditures in horses and donkeys at rest and when carrying a load

Guerouali A., Bouayad H., Taouil M.. 2003. Estimation of energy expenditures in horses and donkeys at rest and when carrying a load. In : Working animals in agriculture and transport : a collection of some current research and development observations. Pearson R. Anne (ed.), Lhoste Philippe (ed.), Saastamoinen Markku (ed.), Martin Rosset William (ed.). EAAP, University of Edinburgh, CIRAD, MTT Agrifood Research Finland, INRA. Wageningen : Wageningen Academic Publishers, 75-78. (EAAP technical series, 6) ISBN 90-76998-25-6 EAAP Annual Conference. 53, Caire, Égypte, 1 Septembre 2002/4 Septembre 2002.

Résumé : In Morocco many farmers depend entirely on animal power to provide the energy required for producing their food and their crops. The main power sources controlled by farmers are usually equines. To promote animal power and allow more effective use of these animals, a large research programme dealing with hygiene, nutrition and management was developed, In the first part of the programme, a study was conducted on two horses and four donkeys to estimate the resting metabolism and to compare the oxygen consumption in the two species developing the same amount of work. The results showed that donkeys have a daily oxygen consumption at rest 20% lower compared to horses. In both species, walking for 8 h per day increased the daily energy expenditures by 60% and walking with a load for 8 h per day increased the daily energy expenditures by 70%. Nutritional recommendations can be made with respect to the time and the intensity of the work developed by animals.

Auteurs et affiliations

• Guerouali A., IAV Hassan II (MAR)
• Bouayad H., IAV Hassan II (MAR)
• Taouil M., IAV Hassan II (MAR)

Source : Cirad - Agritrop (https://agritrop.cirad.fr/515983/)

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