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| 6. |  | PEINADO, G.; ZABALETA, O. 20 años de ideales. In: CONGRESO MUNDIAL ,4.; [CONGRESO] Sudamericano de la razas Polwarth-Ideal, 3., 1999, Montevideo, Uruguay. Montevideo (Uruguay): Sociedad Criadores de Ideal del Uruguay, 1999. p. 7-18. "Asociación Rural del Uruguay; Banco de la República Oriental del Uruguay; Cámara Mercantil Productos del País; INAC; INIA; MGAP; SUL"| Biblioteca(s): INIA La Estanzuela; INIA Treinta y Tres. |
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| 12. | | FERREIRA, G.; PITTALUGA, O.; BEMHAJA, M.; BENNADJI, Z.; LAVECCHIA, A.; SAN JULIÁN, R.; MEDEROS, A.; SILVA, J. 30 años de la Unidad Experimental y Demostrativa La Magnolia Revista INIA, 2005, no. 5, p. 31-35| Biblioteca(s): INIA La Estanzuela; INIA Las Brujas; INIA Tacuarembó. |
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| 14. | | MONTOSSI, F.; PIGURINA, G.; BERRETTA, E.J.; SANTAMARINA, I. A comparative grazing study of sheep and cattle diet selection on native pastures in Uruguay. In: International Grassland Congress, 19., 11-21 de febrero, San Pedro, San Pablo, Brazil. Proceedings. Pircicaba: FEALQ, 2001. p. 345-347| Biblioteca(s): INIA Tacuarembó. |
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| 17. | | Selaive, A. A pesquisa ovino no Brasil ln: Reunión sobre Investigación en Producción Ovina de la Zona Sur, 1979 may 21-25 : Montevideo Caballero D., H. ; Cardellino, R.C. Producción e investigación ovina en Argentina, Brasil, Chile, Paraguay y Uruguay. Montevideo (Uruguay): IICA ; SUL ; OEA, 1979. p113-125 Informes de Conferencias, Cursos y Reuniones (IICA)| Biblioteca(s): INIA La Estanzuela. |
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| 19. | | Coimbra Filho, A.; Selaive, A. A producao ovina no Brasil ln: Reunión sobre Investigación en Producción Ovina de la Zona Sur, 1979 may 21-25 : Montevideo Caballero D., H. ; Cardellino, R.C. Producción e investigación ovina en Argentina, Brasil, Chile, Paraguay y Uruguay. Montevideo (Uruguay): IICA ; SUL ; OEA, 1979. p53-68 Informes de Conferencias, Cursos y Reuniones (IICA)| Biblioteca(s): INIA La Estanzuela. |
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| 20. | | MONTOSSI, F.; BERRETTA, E.J.; PIGURINA, G.; SANTAMARINA, I. A sheep and cattle diet selection study on a fertilized native sward in Uruguay. In: International Grassland Congress, 19., 11-21 de febrero, San Pedro, San Pablo, Brazil. Proceedings. Pircicaba: FEALQ, 2001. p. 344-345| Biblioteca(s): INIA Tacuarembó. |
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 | Acceso al texto completo restringido a Biblioteca INIA Tacuarembó. Por información adicional contacte bibliotb@tb.inia.org.uy. |
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Registro completo
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Biblioteca (s) : |
INIA Tacuarembó. |
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Fecha actual : |
08/09/2014 |
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Actualizado : |
30/09/2019 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Circulación / Nivel : |
Internacional - -- |
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Autor : |
MEDEROS, A.; WADDELL, L.; SÁNCHEZ, J.; KELTON, D.; PEREGRINE, A.S.; MENZIES, P.; VANLEEUWEN, J.; RAJIC, A. |
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Afiliación : |
AMERICA ESTHER MEDEROS SILVEIRA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
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Título : |
A systematic review meta analysis of primary research investigating the effect of selected alternative treatments on gastrointestinal nematodes in sheep under field conditions. |
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Fecha de publicación : |
2012 |
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Fuente / Imprenta : |
Preventive Veterinary Medicine, 2012, v. 104, p. 1-14 |
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Volumen : |
104 |
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Páginas : |
1-14 |
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DOI : |
10.1016/j.prevetmed.2011.10.012 |
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Idioma : |
Inglés |
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Notas : |
Article history: Received 18 August 2011 //Received in revised form 27 October 2011 // Accepted 30 October 2011. |
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Contenido : |
Selected alternative treatments for preventing or controlling gastrointestinal nematodes (GIN) in sheep under field conditions were evaluated using a systematic review-meta-analysis methodology. Forty-three publications reporting 51 studies (21 controlled studies (CS) and 30 challenge studies (ChS)) and 85 unique treatment comparisons were included in the review. The alternative treatment categories were nutraceuticals (28 studies), breeding for genetic resistance (12), nutritional manipulation (6), homeopathies (2), administration of copper oxide wire particles (2), and biological control (1). Random effect meta-analyses (MA) and meta-regression were performed with the natural logarithm of the difference in means (lnMD) between the control and treatment groups, for fecal egg counts per gram of wet feces (FEC), worm counts (WC) or fecal egg counts per gram of dry matter (FECDM) as the outcome. Treatment effect estimates (lnMD) were back-transformed to their count ratios (CR), a relative measure of effect for controlled versus treated groups, for presentation of results. Significant heterogeneity was observed for both CS and ChS that evaluated nutraceuticals, genetic resistance and nutrition treatments. MA of ChS that investigated nutraceuticals resulted in a significant overall CR of 1.62 (P<0.01) and 1.64 (P<0.01) for FEC and FECDM, respectively and a marginal significant CR of 1.14 (P=0.06) for WC, all favoring the treated groups. MA of CS and ChS that investigated genetic resistance resulted in a significant overall CR of 5.89 and 15.42, respectively (P<0.01), again favoring treated groups. MA of CS that investigated homeopathies with FEC as an outcome were homogenous (I(2)=0.0%) and resulted in a non-significant pooled CR of 1.61. ChS investigating copper oxide wire particle treatments and WC as an outcome, were homogenous (I(2)=0.0%) and had a marginally significant pooled CR of 1.68 (P=0.06). Publication bias was observed for ChS with WC outcomes, indicating that small size studies reporting non-significant CR, were less likely to be published than similar studies that found a significant CR. In a meta-regression, randomization (6.2%) and study size (29.2%) were the main factors contributing to the total variation when the outcome was FEC, and none of the variables contributed to between study heterogeneity. When the outcome was WC, type of treatment was the only significant covariate, explaining 6% of the heterogeneity and 38.5% of the total variation. The methodological soundness and reporting of primary research in the selected studies were low. Our results indicate that from the studied alternative treatments, nutraceuticals and use of genetically resistant sheep might be more promising for control of GINs in sheep. MenosSelected alternative treatments for preventing or controlling gastrointestinal nematodes (GIN) in sheep under field conditions were evaluated using a systematic review-meta-analysis methodology. Forty-three publications reporting 51 studies (21 controlled studies (CS) and 30 challenge studies (ChS)) and 85 unique treatment comparisons were included in the review. The alternative treatment categories were nutraceuticals (28 studies), breeding for genetic resistance (12), nutritional manipulation (6), homeopathies (2), administration of copper oxide wire particles (2), and biological control (1). Random effect meta-analyses (MA) and meta-regression were performed with the natural logarithm of the difference in means (lnMD) between the control and treatment groups, for fecal egg counts per gram of wet feces (FEC), worm counts (WC) or fecal egg counts per gram of dry matter (FECDM) as the outcome. Treatment effect estimates (lnMD) were back-transformed to their count ratios (CR), a relative measure of effect for controlled versus treated groups, for presentation of results. Significant heterogeneity was observed for both CS and ChS that evaluated nutraceuticals, genetic resistance and nutrition treatments. MA of ChS that investigated nutraceuticals resulted in a significant overall CR of 1.62 (P<0.01) and 1.64 (P<0.01) for FEC and FECDM, respectively and a marginal significant CR of 1.14 (P=0.06) for WC, all favoring the treated groups. MA of CS and ChS that investigated genetic... Presentar Todo |
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Palabras claves : |
ALTERNATIVE TREATMENTS; CONTROL METHODS; GASTROINTESTINAL NEMATODES; MEDICINA VETERINARIA; META-ANALYSIS; SHEEP; SYSTEMATIC REVIEW. |
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Thesagro : |
OVINOS. |
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Asunto categoría : |
L73 Enfermedades de los animales |
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Marc : |
LEADER 03914naa a2200349 a 4500
001 1050042
005 2019-09-30
008 2012 bl uuuu u00u1 u #d
024 7 $a10.1016/j.prevetmed.2011.10.012$2DOI
100 1 $aMEDEROS, A.
245 $aA systematic review meta analysis of primary research investigating the effect of selected alternative treatments on gastrointestinal nematodes in sheep under field conditions.
260 $c2012
300 $a1-14 104
490 $v104
500 $aArticle history: Received 18 August 2011 //Received in revised form 27 October 2011 // Accepted 30 October 2011.
520 $aSelected alternative treatments for preventing or controlling gastrointestinal nematodes (GIN) in sheep under field conditions were evaluated using a systematic review-meta-analysis methodology. Forty-three publications reporting 51 studies (21 controlled studies (CS) and 30 challenge studies (ChS)) and 85 unique treatment comparisons were included in the review. The alternative treatment categories were nutraceuticals (28 studies), breeding for genetic resistance (12), nutritional manipulation (6), homeopathies (2), administration of copper oxide wire particles (2), and biological control (1). Random effect meta-analyses (MA) and meta-regression were performed with the natural logarithm of the difference in means (lnMD) between the control and treatment groups, for fecal egg counts per gram of wet feces (FEC), worm counts (WC) or fecal egg counts per gram of dry matter (FECDM) as the outcome. Treatment effect estimates (lnMD) were back-transformed to their count ratios (CR), a relative measure of effect for controlled versus treated groups, for presentation of results. Significant heterogeneity was observed for both CS and ChS that evaluated nutraceuticals, genetic resistance and nutrition treatments. MA of ChS that investigated nutraceuticals resulted in a significant overall CR of 1.62 (P<0.01) and 1.64 (P<0.01) for FEC and FECDM, respectively and a marginal significant CR of 1.14 (P=0.06) for WC, all favoring the treated groups. MA of CS and ChS that investigated genetic resistance resulted in a significant overall CR of 5.89 and 15.42, respectively (P<0.01), again favoring treated groups. MA of CS that investigated homeopathies with FEC as an outcome were homogenous (I(2)=0.0%) and resulted in a non-significant pooled CR of 1.61. ChS investigating copper oxide wire particle treatments and WC as an outcome, were homogenous (I(2)=0.0%) and had a marginally significant pooled CR of 1.68 (P=0.06). Publication bias was observed for ChS with WC outcomes, indicating that small size studies reporting non-significant CR, were less likely to be published than similar studies that found a significant CR. In a meta-regression, randomization (6.2%) and study size (29.2%) were the main factors contributing to the total variation when the outcome was FEC, and none of the variables contributed to between study heterogeneity. When the outcome was WC, type of treatment was the only significant covariate, explaining 6% of the heterogeneity and 38.5% of the total variation. The methodological soundness and reporting of primary research in the selected studies were low. Our results indicate that from the studied alternative treatments, nutraceuticals and use of genetically resistant sheep might be more promising for control of GINs in sheep.
650 $aOVINOS
653 $aALTERNATIVE TREATMENTS
653 $aCONTROL METHODS
653 $aGASTROINTESTINAL NEMATODES
653 $aMEDICINA VETERINARIA
653 $aMETA-ANALYSIS
653 $aSHEEP
653 $aSYSTEMATIC REVIEW
700 1 $aWADDELL, L.
700 1 $aSÁNCHEZ, J.
700 1 $aKELTON, D.
700 1 $aPEREGRINE, A.S.
700 1 $aMENZIES, P.
700 1 $aVANLEEUWEN, J.
700 1 $aRAJIC, A.
773 $tPreventive Veterinary Medicine, 2012$gv. 104, p. 1-14
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