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Registro completo
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Biblioteca (s) : |
INIA Tacuarembó. |
Fecha : |
09/09/2014 |
Actualizado : |
30/09/2019 |
Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
Autor : |
FALZON, L.C.; O´NEILL, T.J.; MENZIES, P.I.; PEREGRINE, A.S.; JONES-BITTON, A.; VANLEEUWEN, J.; MEDEROS, A. |
Afiliación : |
AMERICA ESTHER MEDEROS SILVEIRA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
Título : |
A systematic review and meta-analysis of factors associated with anthelmintic resistance in sheep. |
Fecha de publicación : |
2014 |
Fuente / Imprenta : |
Preventive Veterinary Medicine, 2014, v. 117, p. 388-402. |
DOI : |
10.1016/j.prevetmed.2014.07.003 |
Idioma : |
Inglés |
Notas : |
Article history: Received 5 March 2014; Received in revised form 27 May 2014; Accepted 3 July 2014. |
Contenido : |
Background: Anthelmintic drugs have been widely used in sheep as a cost-effective meansfor gastro-intestinal nematode (GIN) control. However, growing anthelmintic resistance(AHR) has created a compelling need to identify evidence-based management recommen-dations that reduce the risk of further development and impact of AHR.Objective: To identify, critically assess, and synthesize available data from primary researchon factors associated with AHR in sheep.Methods: Publications reporting original observational or experimental research on selectedfactors associated with AHR in sheep GINs and published after 1974, were identified throughtwo processes. Three electronic databases (PubMed, Agricola, CAB) and Web of Science (acollection of databases) were searched for potentially relevant publications. Additional pub-lications were identified through consultation with experts, manual search of referencesof included publications and conference proceedings, and information solicited from smallruminant practitioner list-serves. Two independent investigators screened abstracts for rel-evance. Relevant publications were assessed for risk of systematic bias. Where sufficientdata were available, random-effects Meta-Analyses (MAs) were performed to estimate thepooled Odds Ratio (OR) and 95% Confidence Intervals (CIs) of AHR for factors reported in?2 publications.Results: Of the 1712 abstracts screened for eligibility, 131 were deemed relevant for fullpublication review. Thirty publications describing 25 individual studies (15 observationalstudies, 7 challenge trials, and 3 controlled trials) were included in the qualitative synthesisand assessed for systematic bias. Unclear (i.e. not reported, or unable to assess) or high riskof selection bias and confounding bias was found in 93% (14/15) and 60% (9/15) of theobservational studies, respectively, while unclear risk of selection bias was identified in allof the trials. Ten independent studies were included in the quantitative synthesis, and MAswere performed for five factors. Only high frequency of treatment was a significant riskfactor (OR = 4.39; 95% CI = 1.59, 12.14), while the remaining 4 variables were marginallysignificant: mixed-species grazing (OR = 1.63; 95% CI = 0.66, 4.07); flock size (OR = 1.02; 95%CI = 0.97, 1.07); use of long-acting drug formulations (OR = 2.85; 95% CI = 0.79, 10.24); anddrench-and-shift pasture management (OR = 4.08; 95% CI = 0.75, 22.16). MenosBackground: Anthelmintic drugs have been widely used in sheep as a cost-effective meansfor gastro-intestinal nematode (GIN) control. However, growing anthelmintic resistance(AHR) has created a compelling need to identify evidence-based management recommen-dations that reduce the risk of further development and impact of AHR.Objective: To identify, critically assess, and synthesize available data from primary researchon factors associated with AHR in sheep.Methods: Publications reporting original observational or experimental research on selectedfactors associated with AHR in sheep GINs and published after 1974, were identified throughtwo processes. Three electronic databases (PubMed, Agricola, CAB) and Web of Science (acollection of databases) were searched for potentially relevant publications. Additional pub-lications were identified through consultation with experts, manual search of referencesof included publications and conference proceedings, and information solicited from smallruminant practitioner list-serves. Two independent investigators screened abstracts for rel-evance. Relevant publications were assessed for risk of systematic bias. Where sufficientdata were available, random-effects Meta-Analyses (MAs) were performed to estimate thepooled Odds Ratio (OR) and 95% Confidence Intervals (CIs) of AHR for factors reported in?2 publications.Results: Of the 1712 abstracts screened for eligibility, 131 were deemed relevant for fullpublication review. Thirty publications... Presentar Todo |
Palabras claves : |
DRENCH RESISTANCE; EVIDENCE-BASED RECOMMENDATIONS; GASTRO-INTESTINAL NEMATODES; MANAGEMENT PRACTICES; QUALITATIVE AND QUANTITATIVE SYNTHESIS. |
Thesagro : |
OVINOS. |
Asunto categoría : |
A50 Investigación agraria |
Marc : |
LEADER 03419naa a2200289 a 4500 001 1050071 005 2019-09-30 008 2014 bl uuuu u00u1 u #d 024 7 $a10.1016/j.prevetmed.2014.07.003$2DOI 100 1 $aFALZON, L.C. 245 $aA systematic review and meta-analysis of factors associated with anthelmintic resistance in sheep. 260 $c2014 500 $aArticle history: Received 5 March 2014; Received in revised form 27 May 2014; Accepted 3 July 2014. 520 $aBackground: Anthelmintic drugs have been widely used in sheep as a cost-effective meansfor gastro-intestinal nematode (GIN) control. However, growing anthelmintic resistance(AHR) has created a compelling need to identify evidence-based management recommen-dations that reduce the risk of further development and impact of AHR.Objective: To identify, critically assess, and synthesize available data from primary researchon factors associated with AHR in sheep.Methods: Publications reporting original observational or experimental research on selectedfactors associated with AHR in sheep GINs and published after 1974, were identified throughtwo processes. Three electronic databases (PubMed, Agricola, CAB) and Web of Science (acollection of databases) were searched for potentially relevant publications. Additional pub-lications were identified through consultation with experts, manual search of referencesof included publications and conference proceedings, and information solicited from smallruminant practitioner list-serves. Two independent investigators screened abstracts for rel-evance. Relevant publications were assessed for risk of systematic bias. Where sufficientdata were available, random-effects Meta-Analyses (MAs) were performed to estimate thepooled Odds Ratio (OR) and 95% Confidence Intervals (CIs) of AHR for factors reported in?2 publications.Results: Of the 1712 abstracts screened for eligibility, 131 were deemed relevant for fullpublication review. Thirty publications describing 25 individual studies (15 observationalstudies, 7 challenge trials, and 3 controlled trials) were included in the qualitative synthesisand assessed for systematic bias. Unclear (i.e. not reported, or unable to assess) or high riskof selection bias and confounding bias was found in 93% (14/15) and 60% (9/15) of theobservational studies, respectively, while unclear risk of selection bias was identified in allof the trials. Ten independent studies were included in the quantitative synthesis, and MAswere performed for five factors. Only high frequency of treatment was a significant riskfactor (OR = 4.39; 95% CI = 1.59, 12.14), while the remaining 4 variables were marginallysignificant: mixed-species grazing (OR = 1.63; 95% CI = 0.66, 4.07); flock size (OR = 1.02; 95%CI = 0.97, 1.07); use of long-acting drug formulations (OR = 2.85; 95% CI = 0.79, 10.24); anddrench-and-shift pasture management (OR = 4.08; 95% CI = 0.75, 22.16). 650 $aOVINOS 653 $aDRENCH RESISTANCE 653 $aEVIDENCE-BASED RECOMMENDATIONS 653 $aGASTRO-INTESTINAL NEMATODES 653 $aMANAGEMENT PRACTICES 653 $aQUALITATIVE AND QUANTITATIVE SYNTHESIS 700 1 $aO´NEILL, T.J. 700 1 $aMENZIES, P.I. 700 1 $aPEREGRINE, A.S. 700 1 $aJONES-BITTON, A. 700 1 $aVANLEEUWEN, J. 700 1 $aMEDEROS, A. 773 $tPreventive Veterinary Medicine, 2014$gv. 117, p. 388-402.
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INIA Tacuarembó (TBO) |
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 | Acceso al texto completo restringido a Biblioteca INIA Las Brujas. Por información adicional contacte bibliolb@inia.org.uy. |
Registro completo
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Biblioteca (s) : |
INIA Las Brujas; INIA Tacuarembó. |
Fecha actual : |
12/12/2018 |
Actualizado : |
22/11/2019 |
Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
Circulación / Nivel : |
Internacional - -- |
Autor : |
RAMOS, Z.; DE BARBIERI, I.; VAN LIER, E.; MONTOSSI, F. |
Afiliación : |
ZULLY MARGOT RAMOS ALVEZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; LUIS IGNACIO DE BARBIERI ETCHEBERRY, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; E. VAN LIER, Universidad de la República (UdelaR)/ Facultad de Agronomía; Estación Experimental Facultad de Agronomía Salto, Uruguay; FABIO MARCELO MONTOSSI PORCHILE, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
Título : |
Body and wool growth of lambs grazing on native pastures can be improved with energy and protein supplementation. |
Fecha de publicación : |
2019 |
Fuente / Imprenta : |
Small Ruminant Research, February 2019, volume 172, pages 92-98. |
ISSN : |
0921-4488 |
DOI : |
10.1016/j.smallrumres.2018.11.009 |
Idioma : |
Inglés |
Notas : |
Article history: Received 16 June 2018 // Received in revised form 5 October 2018 // Accepted 8 November 2018 // Available online 08 November 2018. |
Contenido : |
ABSTRACT.
In a completely randomized experimental design with two replicates, the impact of iso-energetic supplements with different protein levels on body and wool growth was studied in eighty crossbreed (Merino Dohne × Corriedale) castrated male lambs (24.5 ± 4.4 kg of body weight, BW, 4 months of age) in summer (103 days) for three years. Animals were randomly allotted to four treatments (n = 20). All lambs grazed native pastures (NP) and animals in three treatments were daily supplemented (2% BW) with an iso-energetic supplement of different CP levels: control (CON, non supplemented), 12% CP (12CP), 16% CP (16CP) and 20% CP (20CP). Supplemented lambs had higher final BW (36.0, 36.4 and 37.7 kg for 12, 16 and 20CP, respectively) than CON lambs (28.9 kg) (P < 0.05). Among supplemented lambs, the 12CP group had the lowest BW (P < 0.05), without differences between 16CP and 20CP. Supplemented lambs had greater body-weight gain, body condition score, rib eye area and fat thickness than CON lambs (P < 0.05). Wool growth was 40% greater in supplemented lambs compared to CON lambs (P < 0.05), while 20CP animals had the greatest growth. Iso-energetic supplementation with different CP (12, 16 and 20%) levels improved body and wool growth of lambs grazing NP compared to non-supplemented lambs in summer after weaning. Wool growth was greatest when 20% CP supplement was used.
© 2018 Elsevier B.V. |
Palabras claves : |
BODY CONDITION SCORE; BODY WEIGHT; GRAZING; SHEEP. |
Thesagro : |
OVINOS. |
Asunto categoría : |
L02 Alimentación animal |
Marc : |
LEADER 02303naa a2200253 a 4500 001 1059371 005 2019-11-22 008 2019 bl uuuu u00u1 u #d 022 $a0921-4488 024 7 $a10.1016/j.smallrumres.2018.11.009$2DOI 100 1 $aRAMOS, Z. 245 $aBody and wool growth of lambs grazing on native pastures can be improved with energy and protein supplementation.$h[electronic resource] 260 $c2019 500 $aArticle history: Received 16 June 2018 // Received in revised form 5 October 2018 // Accepted 8 November 2018 // Available online 08 November 2018. 520 $aABSTRACT. In a completely randomized experimental design with two replicates, the impact of iso-energetic supplements with different protein levels on body and wool growth was studied in eighty crossbreed (Merino Dohne × Corriedale) castrated male lambs (24.5 ± 4.4 kg of body weight, BW, 4 months of age) in summer (103 days) for three years. Animals were randomly allotted to four treatments (n = 20). All lambs grazed native pastures (NP) and animals in three treatments were daily supplemented (2% BW) with an iso-energetic supplement of different CP levels: control (CON, non supplemented), 12% CP (12CP), 16% CP (16CP) and 20% CP (20CP). Supplemented lambs had higher final BW (36.0, 36.4 and 37.7 kg for 12, 16 and 20CP, respectively) than CON lambs (28.9 kg) (P < 0.05). Among supplemented lambs, the 12CP group had the lowest BW (P < 0.05), without differences between 16CP and 20CP. Supplemented lambs had greater body-weight gain, body condition score, rib eye area and fat thickness than CON lambs (P < 0.05). Wool growth was 40% greater in supplemented lambs compared to CON lambs (P < 0.05), while 20CP animals had the greatest growth. Iso-energetic supplementation with different CP (12, 16 and 20%) levels improved body and wool growth of lambs grazing NP compared to non-supplemented lambs in summer after weaning. Wool growth was greatest when 20% CP supplement was used. © 2018 Elsevier B.V. 650 $aOVINOS 653 $aBODY CONDITION SCORE 653 $aBODY WEIGHT 653 $aGRAZING 653 $aSHEEP 700 1 $aDE BARBIERI, I. 700 1 $aVAN LIER, E. 700 1 $aMONTOSSI, F. 773 $tSmall Ruminant Research, February 2019, volume 172, pages 92-98.
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