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Registro completo
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Biblioteca (s) : |
INIA Tacuarembó. |
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Fecha : |
19/08/2016 |
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Actualizado : |
19/08/2016 |
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Tipo de producción científica : |
Abstracts/Resúmenes |
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Autor : |
CANOZZI, M.E.A.; MEDEROS, A.; MENEGASI, S.R.O.; CAMARGO, C.M.; BREMM, B.; HOERBE, J.B.; BARCELLOS, J.O.J. |
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Afiliación : |
MARÍA EUGENIA ANDRIGHETTO CANOZZI, NESPRO, Department of Animal Science, UFRGS, Porto Alegre, Brazil.; AMERICA ESTHER MEDEROS SILVEIRA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; SILVIO RENATO O. MENEGASSI, NESPRO, Department of Animal Science, UFRGS, Porto Alegre, Brazil.; CLÁUDIA M. CAMARGO, NESPRO, Department of Animal Science, UFRGS, Porto Alegre, Brazil.; BÁRBARA BREMM, NESPRO, Department of Animal Science, UFRGS, Porto Alegre, Brazil.; JULIANA B. HOERBE, Graduate Student, Department of Animal Science, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre.; JÚLIO OTÁVIO J. BARCELLOS, NESPRO, Department of Animal Science, UFRGS, Porto Alegre, Brazil. |
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Título : |
Effects of dehorning on welfare indicators in beef cattle: systematic review-meta-analysis approach. |
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Fecha de publicación : |
2016 |
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Fuente / Imprenta : |
In: Conference, Reunião Anual da Sociedade Brasileira de Zootecnia (SBZ), 53., 01-04 de Agosto, Gramado, Brasil, 2016. |
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Idioma : |
Inglés |
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Contenido : |
This study is a meta-analysis of the effects of dehorning on welfare indicators, measured by cortisol concentration, average daily gain (ADG) or vocalization in beef cattle. We conducted a literature search on five electronic databases (CAB Abstracts, ISI Web of Science, PubMed, Agricola and Scopus) from January 1900 to May 2015 and included conference proceedings and electronically contacted experts, as well as we checked references of relevant review manuscripts. Inclusion criteria were complete studies using beef cattle until 12 months of age undergoing dehorning that showed one of the following outcome measures: cortisol level, ADG or vocalization. Data were extracted using pre-defined protocols. The included documents were written in English, Spanish, Portuguese or Italian. Random effect meta-analyses were conducted for each indicator separately with the mean of control and treated group. Possible influences of study characteristics and quality were assessed in meta-regression analyses. Four publications reporting seven studies and 69 trials were included in this MA involving 287 animals. Significant heterogeneity between studies was observed for each outcome. Cortisol concentration decreased at 30 (MD = -0.767 nmolL-1; P < 0.001; 95% CI: -1.099, -0.435) and 120 min (MD = 0.680 nmolL-1; P = 0.023; 95% CI: -1.267, -0.093) after intervention favouring non-dehorned group in comparison to amputation dehorning animals. Local anaesthesia was not effective in reduce cortisol concentration 30 min after dehorned by amputation. The number of vocalization showed a marginal significant decrease (MD = -0.929; P = 0.081; 95% CI: -1.973, 0.116) in non-dehorned animals compared to dehorned by amputation. For comparison groups by meta-analysis for ADG, no significant effects were obtained. Publication bias was observed for ADG outcome, i.e. small size studies reporting non-significant effect were less likely to be published than similar studies that found a significant effect. The continent where the study was performed, sample size, blinding the outcome assessment, type of drug used, and the publication type explained 95% of the between-study variance, and these variables were associated to the outcome when cortisol was analysed. Pain management in the routine dehorning of beef cattle is recommended. However, further investigations are required to improve confident decision in pain relief. MenosThis study is a meta-analysis of the effects of dehorning on welfare indicators, measured by cortisol concentration, average daily gain (ADG) or vocalization in beef cattle. We conducted a literature search on five electronic databases (CAB Abstracts, ISI Web of Science, PubMed, Agricola and Scopus) from January 1900 to May 2015 and included conference proceedings and electronically contacted experts, as well as we checked references of relevant review manuscripts. Inclusion criteria were complete studies using beef cattle until 12 months of age undergoing dehorning that showed one of the following outcome measures: cortisol level, ADG or vocalization. Data were extracted using pre-defined protocols. The included documents were written in English, Spanish, Portuguese or Italian. Random effect meta-analyses were conducted for each indicator separately with the mean of control and treated group. Possible influences of study characteristics and quality were assessed in meta-regression analyses. Four publications reporting seven studies and 69 trials were included in this MA involving 287 animals. Significant heterogeneity between studies was observed for each outcome. Cortisol concentration decreased at 30 (MD = -0.767 nmolL-1; P < 0.001; 95% CI: -1.099, -0.435) and 120 min (MD = 0.680 nmolL-1; P = 0.023; 95% CI: -1.267, -0.093) after intervention favouring non-dehorned group in comparison to amputation dehorning animals. Local anaesthesia was not effective in reduce cortisol c... Presentar Todo |
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Palabras claves : |
ANIMAL WELFARE. |
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Thesagro : |
BIENESTAR ANIMAL. |
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Asunto categoría : |
L01 Ganadería |
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URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/5929/1/Confererence-August2016-AMERICA-MEDEROS-BRASILDehorning.pdf
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Marc : |
LEADER 03111nam a2200205 a 4500
001 1055312
005 2016-08-19
008 2016 bl uuuu u01u1 u #d
100 1 $aCANOZZI, M.E.A.
245 $aEffects of dehorning on welfare indicators in beef cattle$bsystematic review-meta-analysis approach.$h[electronic resource]
260 $aIn: Conference, Reunião Anual da Sociedade Brasileira de Zootecnia (SBZ), 53., 01-04 de Agosto, Gramado, Brasil$c2016
520 $aThis study is a meta-analysis of the effects of dehorning on welfare indicators, measured by cortisol concentration, average daily gain (ADG) or vocalization in beef cattle. We conducted a literature search on five electronic databases (CAB Abstracts, ISI Web of Science, PubMed, Agricola and Scopus) from January 1900 to May 2015 and included conference proceedings and electronically contacted experts, as well as we checked references of relevant review manuscripts. Inclusion criteria were complete studies using beef cattle until 12 months of age undergoing dehorning that showed one of the following outcome measures: cortisol level, ADG or vocalization. Data were extracted using pre-defined protocols. The included documents were written in English, Spanish, Portuguese or Italian. Random effect meta-analyses were conducted for each indicator separately with the mean of control and treated group. Possible influences of study characteristics and quality were assessed in meta-regression analyses. Four publications reporting seven studies and 69 trials were included in this MA involving 287 animals. Significant heterogeneity between studies was observed for each outcome. Cortisol concentration decreased at 30 (MD = -0.767 nmolL-1; P < 0.001; 95% CI: -1.099, -0.435) and 120 min (MD = 0.680 nmolL-1; P = 0.023; 95% CI: -1.267, -0.093) after intervention favouring non-dehorned group in comparison to amputation dehorning animals. Local anaesthesia was not effective in reduce cortisol concentration 30 min after dehorned by amputation. The number of vocalization showed a marginal significant decrease (MD = -0.929; P = 0.081; 95% CI: -1.973, 0.116) in non-dehorned animals compared to dehorned by amputation. For comparison groups by meta-analysis for ADG, no significant effects were obtained. Publication bias was observed for ADG outcome, i.e. small size studies reporting non-significant effect were less likely to be published than similar studies that found a significant effect. The continent where the study was performed, sample size, blinding the outcome assessment, type of drug used, and the publication type explained 95% of the between-study variance, and these variables were associated to the outcome when cortisol was analysed. Pain management in the routine dehorning of beef cattle is recommended. However, further investigations are required to improve confident decision in pain relief.
650 $aBIENESTAR ANIMAL
653 $aANIMAL WELFARE
700 1 $aMEDEROS, A.
700 1 $aMENEGASI, S.R.O.
700 1 $aCAMARGO, C.M.
700 1 $aBREMM, B.
700 1 $aHOERBE, J.B.
700 1 $aBARCELLOS, J.O.J.
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Registro original : |
INIA Tacuarembó (TBO) |
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Registro completo
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Biblioteca (s) : |
INIA Las Brujas. |
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Fecha actual : |
21/02/2014 |
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Actualizado : |
17/02/2020 |
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Tipo de producción científica : |
Abstracts/Resúmenes |
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Autor : |
FERNANDES, A.F.A.; AGUILAR, I.; NEVES, H.H.R.; CARVALHEIRO, R.; QUEIROZ, S.A. |
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Afiliación : |
A. F. A. FERNANDES, Universidade Estadual Paulista Júlio de Mesquita Filho, FCAV-Unesp, Jaboticabal, São Paulo, Brasil; IGNACIO AGUILAR GARCIA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; H. H. R. NEVES, GENSYS Ltda consultores associados, Jaboticabal, São Paulo, Brasil; R. CARVALHEIRO, Universidade Estadual Paulista Júlio de Mesquita Filho, FCAV-Unesp, Jaboticabal, São Paulo, Brasil; S. A. QUEIROZ, Universidade Estadual Paulista Júlio de Mesquita Filho, FCAV-Unesp, Jaboticabal, São Paulo, Brasil. |
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Título : |
Escore de condiçao corporal como indicador de habilidade materna e desempenho futuro de vacas Nelore. [Resumo]. |
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Complemento del título : |
Congreso de la Asociación Latinoamericana de Producción Animal, 24.; Congreso de la Sociedad Chilena de Producción Animal, 40., Puerto Varas, Chile, 9 al 13 noviembre 2015. |
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Fecha de publicación : |
2015 |
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Fuente / Imprenta : |
ln: Reunión ALPA (24., Puerto Varas, Chile). Resúmenes. Puerto Varas (Chile): ALPA, 2015. |
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Páginas : |
p. 898 |
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Idioma : |
Portugués |
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Contenido : |
O escore de condição corporal (ECC) é pouco estudado em zebuínos, e carece de investigação na fase de desmame. Sugere-se que, até essa fase, o ECC da vaca pode afetar a relação animal-progênie e o sucesso reprodutivo da vaca. O objetivo do estudo foi estimar correlações genéticas entre: efeito genético direto de ECC e de ambiente materno sobre o peso a desmama, e genético direto de ECC e genético direto sobre o peso a desmama da própria vaca. |
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Palabras claves : |
Bayesiana; Desmama. |
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Thesagro : |
BOVINOS; PERFORMANCE; PESO. |
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Asunto categoría : |
L10 Genética y mejoramiento animal |
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URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/14168/1/Aguilar-ALPA2015-Resumen-p.898.pdf
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Marc : |
LEADER 01161nam a2200229 a 4500
001 1012500
005 2020-02-17
008 2015 bl uuuu u01u1 u #d
100 1 $aFERNANDES, A.F.A.
245 $aEscore de condiçao corporal como indicador de habilidade materna e desempenho futuro de vacas Nelore. [Resumo].$h[electronic resource]
260 $aln: Reunión ALPA (24., Puerto Varas, Chile). Resúmenes. Puerto Varas (Chile): ALPA$c2015
300 $ap. 898
520 $aO escore de condição corporal (ECC) é pouco estudado em zebuínos, e carece de investigação na fase de desmame. Sugere-se que, até essa fase, o ECC da vaca pode afetar a relação animal-progênie e o sucesso reprodutivo da vaca. O objetivo do estudo foi estimar correlações genéticas entre: efeito genético direto de ECC e de ambiente materno sobre o peso a desmama, e genético direto de ECC e genético direto sobre o peso a desmama da própria vaca.
650 $aBOVINOS
650 $aPERFORMANCE
650 $aPESO
653 $aBayesiana
653 $aDesmama
700 1 $aAGUILAR, I.
700 1 $aNEVES, H.H.R.
700 1 $aCARVALHEIRO, R.
700 1 $aQUEIROZ, S.A.
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INIA Las Brujas (LB) |
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