Automatically Identifying Sickness Behavior in Grazing Lambs with an Acceleration Sensor

Acute disease of grazing animals can lead to alterations in behavioral patterns. Relatively recent advances in accelerometer technology have resulted in commercial products, which can be used to remotely detect changes in animals’ behavior, the pattern and extent of which may provide an indicator of...

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Main Authors: Bowen Fan, Racheal H. Bryant, Andrew W. Greer
Format: Article
Language:English
Published: MDPI AG 2023-06-01
Series:Animals
Subjects:
Online Access:https://www.mdpi.com/2076-2615/13/13/2086
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author Bowen Fan
Racheal H. Bryant
Andrew W. Greer
author_facet Bowen Fan
Racheal H. Bryant
Andrew W. Greer
author_sort Bowen Fan
collection DOAJ
description Acute disease of grazing animals can lead to alterations in behavioral patterns. Relatively recent advances in accelerometer technology have resulted in commercial products, which can be used to remotely detect changes in animals’ behavior, the pattern and extent of which may provide an indicator of disease challenge and animal health status. The objective of this study was to determine if changes in behavior during use of a lipopolysaccharide (LPS) challenge model can be detected using ear-mounted accelerometers in grazing lambs. LPS infusion elevated rectal temperatures from 39.31 °C to 39.95 °C, indicating successful establishment of an acute fever response for comparison with groups (<i>p</i> < 0.001). For each of the five recorded behaviors, time spent eating, ruminating, not active, active, and highly active, the accelerometers were able to detect an effect of LPS challenge. Compared with the control, there were significant effects of LPS infusion by hour interaction on durations of eating (−6.71 min/h, <i>p</i> < 0.001), inactive behavior (+16.00 min/h, <i>p</i> < 0.001), active behavior (−8.39 min/h, <i>p</i> < 0.001), and highly active behavior (−2.90 min/h, <i>p</i> < 0.001) with a trend for rumination time (−1.41 min/h, <i>p</i> = 0.075) in lambs after a single LPS infusion. Results suggest that current sensors have the capability to correctly identify behaviors of grazing lambs, raising the possibility of detecting changes in animals’ health status.
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spelling doaj.art-8e60a8770a344c9da3b16d50c39e62b62023-11-18T16:02:43ZengMDPI AGAnimals2076-26152023-06-011313208610.3390/ani13132086Automatically Identifying Sickness Behavior in Grazing Lambs with an Acceleration SensorBowen Fan0Racheal H. Bryant1Andrew W. Greer2Department of Agricultural Sciences, Faculty of Agriculture and Life Sciences, Lincoln University, Lincoln 7647, New ZealandDepartment of Agricultural Sciences, Faculty of Agriculture and Life Sciences, Lincoln University, Lincoln 7647, New ZealandDepartment of Agricultural Sciences, Faculty of Agriculture and Life Sciences, Lincoln University, Lincoln 7647, New ZealandAcute disease of grazing animals can lead to alterations in behavioral patterns. Relatively recent advances in accelerometer technology have resulted in commercial products, which can be used to remotely detect changes in animals’ behavior, the pattern and extent of which may provide an indicator of disease challenge and animal health status. The objective of this study was to determine if changes in behavior during use of a lipopolysaccharide (LPS) challenge model can be detected using ear-mounted accelerometers in grazing lambs. LPS infusion elevated rectal temperatures from 39.31 °C to 39.95 °C, indicating successful establishment of an acute fever response for comparison with groups (<i>p</i> < 0.001). For each of the five recorded behaviors, time spent eating, ruminating, not active, active, and highly active, the accelerometers were able to detect an effect of LPS challenge. Compared with the control, there were significant effects of LPS infusion by hour interaction on durations of eating (−6.71 min/h, <i>p</i> < 0.001), inactive behavior (+16.00 min/h, <i>p</i> < 0.001), active behavior (−8.39 min/h, <i>p</i> < 0.001), and highly active behavior (−2.90 min/h, <i>p</i> < 0.001) with a trend for rumination time (−1.41 min/h, <i>p</i> = 0.075) in lambs after a single LPS infusion. Results suggest that current sensors have the capability to correctly identify behaviors of grazing lambs, raising the possibility of detecting changes in animals’ health status.https://www.mdpi.com/2076-2615/13/13/2086lipopolysaccharideaccelerometerhealth statusgrazing lambsbehavior
spellingShingle Bowen Fan
Racheal H. Bryant
Andrew W. Greer
Automatically Identifying Sickness Behavior in Grazing Lambs with an Acceleration Sensor
Animals
lipopolysaccharide
accelerometer
health status
grazing lambs
behavior
title Automatically Identifying Sickness Behavior in Grazing Lambs with an Acceleration Sensor
title_full Automatically Identifying Sickness Behavior in Grazing Lambs with an Acceleration Sensor
title_fullStr Automatically Identifying Sickness Behavior in Grazing Lambs with an Acceleration Sensor
title_full_unstemmed Automatically Identifying Sickness Behavior in Grazing Lambs with an Acceleration Sensor
title_short Automatically Identifying Sickness Behavior in Grazing Lambs with an Acceleration Sensor
title_sort automatically identifying sickness behavior in grazing lambs with an acceleration sensor
topic lipopolysaccharide
accelerometer
health status
grazing lambs
behavior
url https://www.mdpi.com/2076-2615/13/13/2086
work_keys_str_mv AT bowenfan automaticallyidentifyingsicknessbehavioringrazinglambswithanaccelerationsensor
AT rachealhbryant automaticallyidentifyingsicknessbehavioringrazinglambswithanaccelerationsensor
AT andrewwgreer automaticallyidentifyingsicknessbehavioringrazinglambswithanaccelerationsensor