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Equine Energetics. II. Energy Expenditure in Horses During Submaximal Exercise
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Equine Energetics. II. Energy Expenditure in Horses During Submaximal Exercise
Equine Energetics. II. Energy Expenditure in Horses During Submaximal Exercise
JP
J. D. Pagan
J. D. Pagan
HH
H. F. Hintz
H. F. Hintz
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1 September 1986
journal article
Published by
Oxford University Press (OUP)
in
Journal of Animal Science
Vol. 63
(3)
,
822-830
https://doi.org/10.2527/jas1986.633822x
Abstract
Energy expenditure was measured in four geldings (433 to 520 kg) during submaximal exercise on a racetrack using a mobile open-circuit indirect respiration calorimeter. A total of 304 5-min measurements of O
2
consumed and CO
2
produced were taken. Measurements were made with and without riders. The amount of energy expended by the horses was exponentially related to speed and was proportional to the body weight of the riderless horse or the combined weight of the horse plus rider and tack. Total energy expended by the four horses walking, trotting, cantering was best described by the equation: where Y = energy expended (cal·kg
−1
·min
−1
) and × = speed (m/min). Digestible energy (DE) required above maintenance was calculated as . Copyright © 1986. American Society of Animal Science . Copyright 1986 by American Society of Animal Science
Keywords
ENERGY EXPENDITURE
HORSE
EXERCISE
COPYRIGHT
SOCIETY
SCIENCE
ANIMAL
AMERICAN
SUBMAXIMAL
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Cited by 48 articles