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Using the factorial and global methods of calculating energy requirements, a study was carried out to determine the dietary energy (DE) requirements for a measured amount of exercise; to determine the efficiency with which DE was utilized for work; and to develop a new equation to predict DE requirements for exercise.
Results suggest the efficiency of utilization of DE by horses during work is significantly lower than during rest, which is contradictory to the assumptions currently used to calculate energy requirements for work by the factorial method. More research is needed to determine the factors that affect this efficiency.
This report of KER's 2004 research was published in Advances in Equine Nutrition IV.
Read the entire research paper, titled The Efficiency of Utilization of Digestible Energy During Submaximal Exercise.
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