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| 101. |  | RIOS, A.; GIMÉNEZ, A. Soja: Control de malezas In: GIMÉNEZ, A.; RESTAINO, E. (Eds.). Girasol y soja : algunos aspectos tecnológicos de producción para el litoral oeste de Uruguay. Montevideo (Uruguay): INIA, 1994. p109-114 (INIA Boletin de Divulgación; 47) Convenio INIA - Cámara de Aceites Comestibles - Facultad de Agronomía| Biblioteca(s): INIA La Estanzuela; INIA Las Brujas; INIA Tacuarembó. |
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Registro completo
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Biblioteca (s) : |
INIA Tacuarembó. |
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Fecha actual : |
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.; ZAGO, D.; PEREIRA, G.R.; BARCELLOS, J.O. |
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Afiliación : |
MARÍA EUGENIA ANDRIGHETTO CANOZZI, NESPRO/ UFRGS- Federal University of Rio Grande do Sul, Porto Alegre, Brazil.; AMERICA ESTHER MEDEROS SILVEIRA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; DANIELE ZAGO, NESPRO/ UFRGS- Federal University of Rio Grande do Sul, Porto Alegre, Brazil; G. R. PEREIRA, NESPRO/ UFRGS- Federal University of Rio Grande do Sul, Porto Alegre, Brazil.; JÚLIO OTÁVIO JARDIM BARCELLOS, NESPRO/ UFRGS- Federal University of Rio Grande do Sul, Porto Alegre, Brazil. |
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Título : |
A systematic review-meta-analysis of castration and welfare indicators in beef cattle. [Abstract]. |
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Fecha de publicación : |
2016 |
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Fuente / Imprenta : |
J. Anim. Sci Vol. 94, E-Suppl. 5/J. Dairy Sci. Vol. 99, E-Suppl. 1, 2016, 0086, p. 38. Conference, 2016 Joint Annual Meeting (JAM), At Salt Lake City, USA. |
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Idioma : |
Inglés |
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Contenido : |
To quantify the effects of castration in male beef cattle on welfare indicators based on cortisol concentration, average daily gain (ADG) and vocalization, a systematic review and meta-analysis were performed.We searched 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 papers. Inclusion criteria were complete studies using beef cattle until one yearof age undergoing castration that analysed 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.A total of 18 prospective publications reporting 23 studies and 156 trials were included in the MA involving 1,617animals.Significant between studies heterogeneity was observed for MA results when analysing cortisol and ADG.Regardless the control group and the castration technique, the comparison analyses showed no changes (P ? 0.05) on cortisol levels when castration was performed without drug administration.We found no evidence (P ? 0.05) for multi-modal therapyin decrease cortisol concentration 30 min after surgical procedure.Anaesthesia did not decrease cortisol level (MD = 0.411 nmol/L; P = 0.077; 95% CI: -0.868, 0.045) 120 min after surgical castration compared to castrated group without drug administration.Random-effect meta-analysis suggested an increase in ADG in surgical (MD = 0.231 g/d; P = 0.010; 95% CI: 0.056, 0.405) and non-surgical castration (MD = 0.883 g/d; P < 0.001; 95% CI: 0.313, 1.453) with no pain mitigation in comparison to uncastratedcattle.Publication bias was observed when cortisol was studied as an outcome, indicating that small size studies reporting non-significant effect were less likely to be published than similar studies with significant effect. In a meta-regression, only publication type contributed to the total variation (18.52%) when the outcome evaluated was ADG. The vocalization score presented data in a manner that was not suitable to MA. Our MA study demonstrates an inconclusive result to draw recommendations on preferred castration practices to minimize pain in beef cattle. MenosTo quantify the effects of castration in male beef cattle on welfare indicators based on cortisol concentration, average daily gain (ADG) and vocalization, a systematic review and meta-analysis were performed.We searched 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 papers. Inclusion criteria were complete studies using beef cattle until one yearof age undergoing castration that analysed 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.A total of 18 prospective publications reporting 23 studies and 156 trials were included in the MA involving 1,617animals.Significant between studies heterogeneity was observed for MA results when analysing cortisol and ADG.Regardless the control group and the castration technique, the comparison analyses showed no changes (P ? 0.05) on cortisol levels when castration was performed without drug administration.We found no evidence (P ? 0.05) for multi-modal therapyin decrease cortisol concentration 30 min after surgical... Presentar Todo |
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Palabras claves : |
CATTLE; CORTISOL; PAIN; VACALIZATION; WEIGHT. |
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Thesagro : |
BIENESTAR ANIMAL; CASTRACIÓN; GANADO VACUNO. |
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Asunto categoría : |
L01 Ganadería |
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URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/5928/1/AMERICA-2016-JAM.pdf
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Marc : |
LEADER 03328nam a2200253 a 4500
001 1055311
005 2016-08-19
008 2016 bl uuuu u01u1 u #d
100 1 $aCANOZZI, M.E.A.
245 $aA systematic review-meta-analysis of castration and welfare indicators in beef cattle. [Abstract].$h[electronic resource]
260 $aJ. Anim. Sci Vol. 94, E-Suppl. 5/J. Dairy Sci. Vol. 99, E-Suppl. 1, 2016, 0086, p. 38. Conference, 2016 Joint Annual Meeting (JAM), At Salt Lake City, USA.$c2016
520 $aTo quantify the effects of castration in male beef cattle on welfare indicators based on cortisol concentration, average daily gain (ADG) and vocalization, a systematic review and meta-analysis were performed.We searched 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 papers. Inclusion criteria were complete studies using beef cattle until one yearof age undergoing castration that analysed 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.A total of 18 prospective publications reporting 23 studies and 156 trials were included in the MA involving 1,617animals.Significant between studies heterogeneity was observed for MA results when analysing cortisol and ADG.Regardless the control group and the castration technique, the comparison analyses showed no changes (P ? 0.05) on cortisol levels when castration was performed without drug administration.We found no evidence (P ? 0.05) for multi-modal therapyin decrease cortisol concentration 30 min after surgical procedure.Anaesthesia did not decrease cortisol level (MD = 0.411 nmol/L; P = 0.077; 95% CI: -0.868, 0.045) 120 min after surgical castration compared to castrated group without drug administration.Random-effect meta-analysis suggested an increase in ADG in surgical (MD = 0.231 g/d; P = 0.010; 95% CI: 0.056, 0.405) and non-surgical castration (MD = 0.883 g/d; P < 0.001; 95% CI: 0.313, 1.453) with no pain mitigation in comparison to uncastratedcattle.Publication bias was observed when cortisol was studied as an outcome, indicating that small size studies reporting non-significant effect were less likely to be published than similar studies with significant effect. In a meta-regression, only publication type contributed to the total variation (18.52%) when the outcome evaluated was ADG. The vocalization score presented data in a manner that was not suitable to MA. Our MA study demonstrates an inconclusive result to draw recommendations on preferred castration practices to minimize pain in beef cattle.
650 $aBIENESTAR ANIMAL
650 $aCASTRACIÓN
650 $aGANADO VACUNO
653 $aCATTLE
653 $aCORTISOL
653 $aPAIN
653 $aVACALIZATION
653 $aWEIGHT
700 1 $aMEDEROS, A.
700 1 $aZAGO, D.
700 1 $aPEREIRA, G.R.
700 1 $aBARCELLOS, J.O.
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