Flock Nocturnal Activity: Is There a Rotative Guard?

Animal activity during the night period is of enormous importance, since it represents approximately half of animals’ lives, and monitoring it during this period makes it possible to detect problems related to well-being and safety, and allows us to infer energy expenditure on the basis of their act...

Full description

Bibliographic Details
Main Authors: Pedro Gonçalves, Mário Antunes, William Xavier, António Monteiro
Format: Article
Language:English
Published: MDPI AG 2022-11-01
Series:Applied Sciences
Subjects:
Online Access:https://www.mdpi.com/2076-3417/12/22/11563
_version_ 1797465972937850880
author Pedro Gonçalves
Mário Antunes
William Xavier
António Monteiro
author_facet Pedro Gonçalves
Mário Antunes
William Xavier
António Monteiro
author_sort Pedro Gonçalves
collection DOAJ
description Animal activity during the night period is of enormous importance, since it represents approximately half of animals’ lives, and monitoring it during this period makes it possible to detect problems related to well-being and safety, and allows us to infer energy expenditure on the basis of their activity level. The present study analyzes a sheep activity dataset created during the night period to validate non-invasive techniques of monitoring that can be used to infer energy expenditure at night and to detect abnormal nocturnal activity. The study allowed us to detect cyclic changes in activity during the night period, which is composed of inactive and active periods, and to identify sheep lying positions. The analysis of the joint activity of the flock allowed us to perceive a time lag in the rest cycles, which consisted of periods of activity of ewes undone between elements of the flock. Although it does not allow us to identify the components of the period of inactivity, since the method used does not monitor brain activity, the results allow us to confirm the cyclical character of the nocturnal activity of sheep that has been reported in the literature, as well as their typical posture when lying down. Although this is an exploratory application with a very small number of animals, the similarity between the results obtained and the results documented in the existing literature, which have mostly been obtained using invasive methods, is encouraging, and suggests it is possible to rely on activity monitoring processes based on inertial sensors.
first_indexed 2024-03-09T18:30:13Z
format Article
id doaj.art-4a9d02bef5f14b9ba32c7bc3c9f5a72e
institution Directory Open Access Journal
issn 2076-3417
language English
last_indexed 2024-03-09T18:30:13Z
publishDate 2022-11-01
publisher MDPI AG
record_format Article
series Applied Sciences
spelling doaj.art-4a9d02bef5f14b9ba32c7bc3c9f5a72e2023-11-24T07:37:19ZengMDPI AGApplied Sciences2076-34172022-11-0112221156310.3390/app122211563Flock Nocturnal Activity: Is There a Rotative Guard?Pedro Gonçalves0Mário Antunes1William Xavier2António Monteiro3Escola Superior de Tecnologia e Gestão de Águeda, Instituto de Telecomunicações, Universidade de Aveiro, 3830-193 Aveiro, PortugalInstituto Superior de Contabilidade e Administração de Aveiro, Instituto de Telecomunicações, Universidade de Aveiro, 3830-193 Aveiro, PortugaliFarmTec—Intelligent Farm Technologies, Zona Industrial da Mota, Rua 12, Lote 51, Fração E, 3830-527 Gafanha da Encarnação, PortugalEscola Superior Agrária do Instituto Politécnico de Viseu, CERNAS–Centro de Recursos Naturais, Ambiente e Sociedade, Quinta da Alagoa, Estrada de Nelas, 3500-606 Viseu, PortugalAnimal activity during the night period is of enormous importance, since it represents approximately half of animals’ lives, and monitoring it during this period makes it possible to detect problems related to well-being and safety, and allows us to infer energy expenditure on the basis of their activity level. The present study analyzes a sheep activity dataset created during the night period to validate non-invasive techniques of monitoring that can be used to infer energy expenditure at night and to detect abnormal nocturnal activity. The study allowed us to detect cyclic changes in activity during the night period, which is composed of inactive and active periods, and to identify sheep lying positions. The analysis of the joint activity of the flock allowed us to perceive a time lag in the rest cycles, which consisted of periods of activity of ewes undone between elements of the flock. Although it does not allow us to identify the components of the period of inactivity, since the method used does not monitor brain activity, the results allow us to confirm the cyclical character of the nocturnal activity of sheep that has been reported in the literature, as well as their typical posture when lying down. Although this is an exploratory application with a very small number of animals, the similarity between the results obtained and the results documented in the existing literature, which have mostly been obtained using invasive methods, is encouraging, and suggests it is possible to rely on activity monitoring processes based on inertial sensors.https://www.mdpi.com/2076-3417/12/22/11563sheep monitoringnocturnal periodwearable accelerometerssleep cyclesrotative guard
spellingShingle Pedro Gonçalves
Mário Antunes
William Xavier
António Monteiro
Flock Nocturnal Activity: Is There a Rotative Guard?
Applied Sciences
sheep monitoring
nocturnal period
wearable accelerometers
sleep cycles
rotative guard
title Flock Nocturnal Activity: Is There a Rotative Guard?
title_full Flock Nocturnal Activity: Is There a Rotative Guard?
title_fullStr Flock Nocturnal Activity: Is There a Rotative Guard?
title_full_unstemmed Flock Nocturnal Activity: Is There a Rotative Guard?
title_short Flock Nocturnal Activity: Is There a Rotative Guard?
title_sort flock nocturnal activity is there a rotative guard
topic sheep monitoring
nocturnal period
wearable accelerometers
sleep cycles
rotative guard
url https://www.mdpi.com/2076-3417/12/22/11563
work_keys_str_mv AT pedrogoncalves flocknocturnalactivityistherearotativeguard
AT marioantunes flocknocturnalactivityistherearotativeguard
AT williamxavier flocknocturnalactivityistherearotativeguard
AT antoniomonteiro flocknocturnalactivityistherearotativeguard