An investigation into the daily level of voluntary activity of stabled riding school horses

Hieke Brown, David Marlin, P. Harris

Research output: Contribution to journalJournal Article

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Abstract

The importance of correct feeding practice has been highlighted by the increasing prevalence of obesity in horses. Human research has suggested that voluntary activity (VA) levels may influence digestible energy (DE) requirements, accounting for 15-50% of human daily energy expenditure. Therefore, the aim of this study was to investigate whether levels of non-structured exercise differed between stabled horses with similar bodyweight (BW) and similar structured workloads, but with different estimated DE intakes to maintain their BW. Twelve mature horses were selected based on their estimated DE intake and BW, and were paired according to their BW, breed, estimated DE intake, and structured exercise. Within each pair, one horse (L) was fed a relatively lower estimated DE intake than the other horse (H) to maintain a similar, constant BW and performing similar levels of structured exercise. Estimated DE intake was therefore significantly (P<0.01) different between Group L and Group H. Each pair was observed for 72 h during which structured exercise and non-structured exercise were measured. Heart rate was used as a measure of workload during the structured exercise. Two RT3 accelerometers, located on a roller (RT3-R) and head collar (RT3-H), were used to measure VA levels when stabled in addition to visual observations using focal sampling between 07:00 and 18:00 h. RT3-R and RT3-H activity levels were not significantly (P>0.05) different between individual horses. Median activity counts were significantly (P≤0.001) higher during the day time (06:30-18:29 h) compared to the night time (18:30-06:29 h). However, measured activity using RT3 accelerometers did not show a significant difference between horses in Group L and Group H (P>0.05). It was therefore concluded, that differences in VA levels during stabling could not explain the difference in estimated DE requirements between horses with a similar BW and workload.
Original languageEnglish
Pages (from-to)169-175
Number of pages6
JournalComparative Exercise Physiology
Volume12
Issue number4
DOIs
Publication statusPublished - 29 Sep 2016

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digestible energy
Horses
horses
Energy Intake
energy intake
body weight
exercise
Workload
energy requirements
Accelerometers
energy expenditure
Energy Metabolism
obesity
Obesity
breeds
Research

Keywords

  • activity
  • equine
  • estimated energy requirement
  • accelerometer

Cite this

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title = "An investigation into the daily level of voluntary activity of stabled riding school horses",
abstract = "The importance of correct feeding practice has been highlighted by the increasing prevalence of obesity in horses. Human research has suggested that voluntary activity (VA) levels may influence digestible energy (DE) requirements, accounting for 15-50{\%} of human daily energy expenditure. Therefore, the aim of this study was to investigate whether levels of non-structured exercise differed between stabled horses with similar bodyweight (BW) and similar structured workloads, but with different estimated DE intakes to maintain their BW. Twelve mature horses were selected based on their estimated DE intake and BW, and were paired according to their BW, breed, estimated DE intake, and structured exercise. Within each pair, one horse (L) was fed a relatively lower estimated DE intake than the other horse (H) to maintain a similar, constant BW and performing similar levels of structured exercise. Estimated DE intake was therefore significantly (P<0.01) different between Group L and Group H. Each pair was observed for 72 h during which structured exercise and non-structured exercise were measured. Heart rate was used as a measure of workload during the structured exercise. Two RT3 accelerometers, located on a roller (RT3-R) and head collar (RT3-H), were used to measure VA levels when stabled in addition to visual observations using focal sampling between 07:00 and 18:00 h. RT3-R and RT3-H activity levels were not significantly (P>0.05) different between individual horses. Median activity counts were significantly (P≤0.001) higher during the day time (06:30-18:29 h) compared to the night time (18:30-06:29 h). However, measured activity using RT3 accelerometers did not show a significant difference between horses in Group L and Group H (P>0.05). It was therefore concluded, that differences in VA levels during stabling could not explain the difference in estimated DE requirements between horses with a similar BW and workload.",
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An investigation into the daily level of voluntary activity of stabled riding school horses. / Brown, Hieke; Marlin, David; Harris, P.

In: Comparative Exercise Physiology, Vol. 12, No. 4, 29.09.2016, p. 169-175.

Research output: Contribution to journalJournal Article

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AU - Marlin, David

AU - Harris, P.

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N2 - The importance of correct feeding practice has been highlighted by the increasing prevalence of obesity in horses. Human research has suggested that voluntary activity (VA) levels may influence digestible energy (DE) requirements, accounting for 15-50% of human daily energy expenditure. Therefore, the aim of this study was to investigate whether levels of non-structured exercise differed between stabled horses with similar bodyweight (BW) and similar structured workloads, but with different estimated DE intakes to maintain their BW. Twelve mature horses were selected based on their estimated DE intake and BW, and were paired according to their BW, breed, estimated DE intake, and structured exercise. Within each pair, one horse (L) was fed a relatively lower estimated DE intake than the other horse (H) to maintain a similar, constant BW and performing similar levels of structured exercise. Estimated DE intake was therefore significantly (P<0.01) different between Group L and Group H. Each pair was observed for 72 h during which structured exercise and non-structured exercise were measured. Heart rate was used as a measure of workload during the structured exercise. Two RT3 accelerometers, located on a roller (RT3-R) and head collar (RT3-H), were used to measure VA levels when stabled in addition to visual observations using focal sampling between 07:00 and 18:00 h. RT3-R and RT3-H activity levels were not significantly (P>0.05) different between individual horses. Median activity counts were significantly (P≤0.001) higher during the day time (06:30-18:29 h) compared to the night time (18:30-06:29 h). However, measured activity using RT3 accelerometers did not show a significant difference between horses in Group L and Group H (P>0.05). It was therefore concluded, that differences in VA levels during stabling could not explain the difference in estimated DE requirements between horses with a similar BW and workload.

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KW - activity

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JO - Comparative Exercise Physiology

JF - Comparative Exercise Physiology

SN - 1755-2540

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