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Estimation of the energy expenditure from heart rate measurements in working oxen

Published online by Cambridge University Press:  02 September 2010

M. Rometsch ,
U. Roser ,
K. Becker  and
A. Susenbeth
M. Rometsch
Affiliation:
Institute for Animal Production in the Tropics and Subtropics(480)
U. Roser
Affiliation:
Institute for Animal Nutrition (450), Hohenheim University, 70593 Stuttgart, Germany
K. Becker
Affiliation:
Institute for Animal Production in the Tropics and Subtropics(480)
A. Susenbeth
Affiliation:
Institute for Animal Nutrition (450), Hohenheim University, 70593 Stuttgart, Germany
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Abstract

The heart rate (fH) and the energy expenditure (EE) of seven Hintenvaelder (Bos taurus) draught oxen and three zebu (Bos indicusj oxen were measured, while the animals were standing, walking and pulling different loads. Linear regressions for all animals relating EE to fH were highly significant (P < 0·001). The standard errors of the estimate expressed as a percentage of the mean EE (PE) ranged from ±6·7% to ±10·5%. Two animals with PE ±13·7% and ±17·1% were beyond that range. One year later, fH and EE were measured on six of the original seven Hinterwaelder oxen while the animals were standing and walking on a treadmill, on the level and at gradients of 3%, 6% and 9%. In the two experiments mean slope and mean intercept of the regressions of EE on fH were not different (P > 0·05). Irrespective of the kind of work (draught work or lifting work),fH allows a reliable prediction to be made of the EE of working oxen.

Keywords

draught animalsenergy expenditureheart rate
Type
Research Article
Information
Animal Science , Volume 64 , Issue 3 , June 1997 , pp. 409 - 412
Copyright
Copyright © British Society of Animal Science 1997

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