Environmental effect on surface temperature of newborn piglets
Autor(a) principal: | |
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Data de Publicação: | 2015 |
Outros Autores: | , , , , , , |
Tipo de documento: | Artigo de conferência |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://hdl.handle.net/11449/220515 |
Resumo: | The aim of this study was to evaluate the influence of the environment on the surface temperature (ST) of neonate piglets. Thermography images of the piglets (n=45) and the floor of the farrowing crates were recorded at the moment of birth and at 15, 30, 45, 60, 120 and 180 minutes after birth. The temperature and relative humidity were recorded and, later, the Temperature and Humidity Index (THI) was calculated. The piglets' ST data and THI were subjected to the Spearman correlation test at 5% significance. The average air temperature in the maternity room ranged from 26.3 to 32.5°C and the relative humidity was from 34.3% to 47%. The average floor ST ranged between 24 and 28°C. Given that heat loss in piglets is normally caused by conduction, management practices are very important to minimise heat exchange between neonates and floor. The THI showed a negative correlation (P < 0.01) with ST at birth (-0.824), and after 15 minutes (-0.815). It proves that the environment has a direct influence on the piglets' body temperature. The THI values were mostly below the range that is considered comfortable for newborn piglets but more than comfortable for lactating sows, and were negatively correlated with the piglets' surface temperature during the first hours after birth. |
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Environmental effect on surface temperature of newborn pigletsEnvironmentInfrared thermographyNeonatesPostnatal hypothermiaThe aim of this study was to evaluate the influence of the environment on the surface temperature (ST) of neonate piglets. Thermography images of the piglets (n=45) and the floor of the farrowing crates were recorded at the moment of birth and at 15, 30, 45, 60, 120 and 180 minutes after birth. The temperature and relative humidity were recorded and, later, the Temperature and Humidity Index (THI) was calculated. The piglets' ST data and THI were subjected to the Spearman correlation test at 5% significance. The average air temperature in the maternity room ranged from 26.3 to 32.5°C and the relative humidity was from 34.3% to 47%. The average floor ST ranged between 24 and 28°C. Given that heat loss in piglets is normally caused by conduction, management practices are very important to minimise heat exchange between neonates and floor. The THI showed a negative correlation (P < 0.01) with ST at birth (-0.824), and after 15 minutes (-0.815). It proves that the environment has a direct influence on the piglets' body temperature. The THI values were mostly below the range that is considered comfortable for newborn piglets but more than comfortable for lactating sows, and were negatively correlated with the piglets' surface temperature during the first hours after birth.Animal Science Department Federal University of Grande DouradosAnimal Production Department State University of São PauloAnimal Science Department State University of LondrinaAnimal Science Department Federal University of GoiásFederal University of Grande DouradosUniversidade de São Paulo (USP)Universidade Estadual de Londrina (UEL)Universidade Federal de Goiás (UFG)Caldara, F. R.Santos, L. S.Nääs, I. A.Garcia, R. G.Santos, R. K.S.Foppa, L.Moi, M.Moura, G. B.2022-04-28T19:02:12Z2022-04-28T19:02:12Z2015-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/conferenceObject841-846Precision Livestock Farming 2015 - Papers Presented at the 7th European Conference on Precision Livestock Farming, ECPLF 2015, p. 841-846.http://hdl.handle.net/11449/2205152-s2.0-84949575558Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengPrecision Livestock Farming 2015 - Papers Presented at the 7th European Conference on Precision Livestock Farming, ECPLF 2015info:eu-repo/semantics/openAccess2022-04-28T19:02:12Zoai:repositorio.unesp.br:11449/220515Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462022-04-28T19:02:12Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Environmental effect on surface temperature of newborn piglets |
title |
Environmental effect on surface temperature of newborn piglets |
spellingShingle |
Environmental effect on surface temperature of newborn piglets Caldara, F. R. Environment Infrared thermography Neonates Postnatal hypothermia |
title_short |
Environmental effect on surface temperature of newborn piglets |
title_full |
Environmental effect on surface temperature of newborn piglets |
title_fullStr |
Environmental effect on surface temperature of newborn piglets |
title_full_unstemmed |
Environmental effect on surface temperature of newborn piglets |
title_sort |
Environmental effect on surface temperature of newborn piglets |
author |
Caldara, F. R. |
author_facet |
Caldara, F. R. Santos, L. S. Nääs, I. A. Garcia, R. G. Santos, R. K.S. Foppa, L. Moi, M. Moura, G. B. |
author_role |
author |
author2 |
Santos, L. S. Nääs, I. A. Garcia, R. G. Santos, R. K.S. Foppa, L. Moi, M. Moura, G. B. |
author2_role |
author author author author author author author |
dc.contributor.none.fl_str_mv |
Federal University of Grande Dourados Universidade de São Paulo (USP) Universidade Estadual de Londrina (UEL) Universidade Federal de Goiás (UFG) |
dc.contributor.author.fl_str_mv |
Caldara, F. R. Santos, L. S. Nääs, I. A. Garcia, R. G. Santos, R. K.S. Foppa, L. Moi, M. Moura, G. B. |
dc.subject.por.fl_str_mv |
Environment Infrared thermography Neonates Postnatal hypothermia |
topic |
Environment Infrared thermography Neonates Postnatal hypothermia |
description |
The aim of this study was to evaluate the influence of the environment on the surface temperature (ST) of neonate piglets. Thermography images of the piglets (n=45) and the floor of the farrowing crates were recorded at the moment of birth and at 15, 30, 45, 60, 120 and 180 minutes after birth. The temperature and relative humidity were recorded and, later, the Temperature and Humidity Index (THI) was calculated. The piglets' ST data and THI were subjected to the Spearman correlation test at 5% significance. The average air temperature in the maternity room ranged from 26.3 to 32.5°C and the relative humidity was from 34.3% to 47%. The average floor ST ranged between 24 and 28°C. Given that heat loss in piglets is normally caused by conduction, management practices are very important to minimise heat exchange between neonates and floor. The THI showed a negative correlation (P < 0.01) with ST at birth (-0.824), and after 15 minutes (-0.815). It proves that the environment has a direct influence on the piglets' body temperature. The THI values were mostly below the range that is considered comfortable for newborn piglets but more than comfortable for lactating sows, and were negatively correlated with the piglets' surface temperature during the first hours after birth. |
publishDate |
2015 |
dc.date.none.fl_str_mv |
2015-01-01 2022-04-28T19:02:12Z 2022-04-28T19:02:12Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/conferenceObject |
format |
conferenceObject |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
Precision Livestock Farming 2015 - Papers Presented at the 7th European Conference on Precision Livestock Farming, ECPLF 2015, p. 841-846. http://hdl.handle.net/11449/220515 2-s2.0-84949575558 |
identifier_str_mv |
Precision Livestock Farming 2015 - Papers Presented at the 7th European Conference on Precision Livestock Farming, ECPLF 2015, p. 841-846. 2-s2.0-84949575558 |
url |
http://hdl.handle.net/11449/220515 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Precision Livestock Farming 2015 - Papers Presented at the 7th European Conference on Precision Livestock Farming, ECPLF 2015 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
841-846 |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
_version_ |
1799965373231005696 |