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 | Acceso al texto completo restringido a Biblioteca INIA Las Brujas. Por información adicional contacte bibliolb@inia.org.uy. |
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Registro completo
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Biblioteca (s) : |
INIA Las Brujas. |
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Fecha : |
24/10/2014 |
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Actualizado : |
30/10/2019 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Autor : |
MEDEROS, A.; FERNÁNDEZ, S.; VanLEEUWEN, J.; PEREGRINE, A.S.; KELTON, D.; MENZIES, P.; LeBOEUF, A.; MARTIN, R. |
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Afiliación : |
AMERICA ESTHER MEDEROS SILVEIRA, Instituto Nacional de Investigación Agropecuaria (INIA), Uruguay; S. FERNÁNDEZ, Dept. of Pathobiology, Ontario Veterinary College, University of Guelph, Canada; J. VanLEEUWEN, Dept. of Health Management, University of Prince Edward Island, Charlottetown, Canada; A.S. PEREGRINE, Dept. of Pathobiology, Ontario Veterinary College, University of Guelph, Canada; D. KELTON, Dept. of Population Medicine, Ontario Veterinary College, University of Guelph, Guelph, Canada; P. MENZIES, Dept. of Population Medicine, Ontario Veterinary College, University of Guelph, Guelph, Canada; A. LeBOEUF, Centre d’Expertise en Production Ovine du Québec, La Pocatière, Canada; R. MARTIN, Organic Agriculture Centre of Canada, Nova Scotia Agricultural College, Truro, Canada. |
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Título : |
Prevalence and distribution of gastrointestinal nematodes on 32 organic and conventional commercial sheep farms in Ontario and Quebec, Canada (2006-2008). |
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Fecha de publicación : |
2010 |
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Fuente / Imprenta : |
Veterinary Parasitology, 2010, v. 170, no.3-4, p. 244-252. |
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ISSN : |
0304-4017 |
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DOI : |
10.1016/j.vetpar.2010.02.018 |
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Idioma : |
Inglés |
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Notas : |
Article history: Received 5 August 2009 / Received in revised form 28 December 2009 / Accepted 11 February 2010. |
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Contenido : |
ABSTRACT.
In order to characterize the epidemiology of sheep gastrointestinal nematodes in organic and conventional flocks in Canada, a longitudinal study was carried out from May 2006 to March 2008 on 32 purposively selected farms in Ontario (ON) and Quebec (QC): 8 certified organic (CO), 16 non-certified organic (NCO), and 8 conventional (C) farms. On each farm, 10 ewes and 10 female lambs were selected. Farm visits were undertaken monthly during the grazing season, and twice in the winter. At each visit, individual fecal samples were taken, and pasture samples were obtained during the grazing season. In addition, body condition score was recorded for all sheep. Fecal egg counts per gram of feces (EPGs) were determined for all fecal samples, and infective larvae (L 3) were identified in fecal samples (lambs and ewes separately) and pasture samples from farms. Necropsies of 14 lambs from 7 of the 23 Ontario farms were performed at the end of the grazing season in 2006. The mean EPG for year 1 (May 2006 to March 2007) was 181 (range=0-9840) and 351 (range=0-18,940) for the ewes in ON and QC, respectively, and for the lambs was 509 (range=0-25,020) and 147 (range=0-3060) for ON and QC, respectively. During year 2 (April 2007 to March 2008), the mean EPG was 303 (range=0-21,160) and 512 (range=0-22,340) for the ewes in ON and QC, respectively, and for lambs was 460 (range=0-26,180) and 232 (range=0-8280) for ON and QC, respectively. Although the overall mean EPGs were not remarkably high, there were months of higher EPG such as May-June for ewes and July-August for lambs in both provinces. Pasture infectivity was highest in May-June and September. There was a general trend for the CO farms to have lower mean EPG than NCO and C farms.Fecal cultures demonstrated that the most predominant nematode genera were Teladorsagia sp., Haemonchus sp. and Trichostrongylus spp. Pasture infectivity was highest during June-July (984 L3/kg. DM) in ON farms and September (mean = 436 L3/kg. DM) in QC farms during year 1. In year 2, the highest peak was during October in ON (mean = 398 L3/kg. DM) and July in QC (239 L3/kg. DM). Trichostrongylus axei and Trichostrongylus colubriformis were the species most frequently identified from necropsies (36.44% and 38.26%, respectively) at the end of the grazing season in 2006, with Haemonchus contortus and Teladorsagia circumcincta being the next most commonly identified.
© 2010 Elsevier B.V. MenosABSTRACT.
In order to characterize the epidemiology of sheep gastrointestinal nematodes in organic and conventional flocks in Canada, a longitudinal study was carried out from May 2006 to March 2008 on 32 purposively selected farms in Ontario (ON) and Quebec (QC): 8 certified organic (CO), 16 non-certified organic (NCO), and 8 conventional (C) farms. On each farm, 10 ewes and 10 female lambs were selected. Farm visits were undertaken monthly during the grazing season, and twice in the winter. At each visit, individual fecal samples were taken, and pasture samples were obtained during the grazing season. In addition, body condition score was recorded for all sheep. Fecal egg counts per gram of feces (EPGs) were determined for all fecal samples, and infective larvae (L 3) were identified in fecal samples (lambs and ewes separately) and pasture samples from farms. Necropsies of 14 lambs from 7 of the 23 Ontario farms were performed at the end of the grazing season in 2006. The mean EPG for year 1 (May 2006 to March 2007) was 181 (range=0-9840) and 351 (range=0-18,940) for the ewes in ON and QC, respectively, and for the lambs was 509 (range=0-25,020) and 147 (range=0-3060) for ON and QC, respectively. During year 2 (April 2007 to March 2008), the mean EPG was 303 (range=0-21,160) and 512 (range=0-22,340) for the ewes in ON and QC, respectively, and for lambs was 460 (range=0-26,180) and 232 (range=0-8280) for ON and QC, respectively. Although the overall mean EPGs were not rem... Presentar Todo |
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Thesagro : |
ANTIHELMÍNTICOS; CORDEROS; NEMATODOS GASTROINTESTINALES; NEMÁTODOS GASTROINTESTINALES DE LOS OVINOS; OVEJAS. |
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Asunto categoría : |
L73 Enfermedades de los animales |
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Marc : |
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100 1 $aMEDEROS, A.
245 $aPrevalence and distribution of gastrointestinal nematodes on 32 organic and conventional commercial sheep farms in Ontario and Quebec, Canada (2006-2008).$h[electronic resource]
260 $c2010
500 $aArticle history: Received 5 August 2009 / Received in revised form 28 December 2009 / Accepted 11 February 2010.
520 $aABSTRACT. In order to characterize the epidemiology of sheep gastrointestinal nematodes in organic and conventional flocks in Canada, a longitudinal study was carried out from May 2006 to March 2008 on 32 purposively selected farms in Ontario (ON) and Quebec (QC): 8 certified organic (CO), 16 non-certified organic (NCO), and 8 conventional (C) farms. On each farm, 10 ewes and 10 female lambs were selected. Farm visits were undertaken monthly during the grazing season, and twice in the winter. At each visit, individual fecal samples were taken, and pasture samples were obtained during the grazing season. In addition, body condition score was recorded for all sheep. Fecal egg counts per gram of feces (EPGs) were determined for all fecal samples, and infective larvae (L 3) were identified in fecal samples (lambs and ewes separately) and pasture samples from farms. Necropsies of 14 lambs from 7 of the 23 Ontario farms were performed at the end of the grazing season in 2006. The mean EPG for year 1 (May 2006 to March 2007) was 181 (range=0-9840) and 351 (range=0-18,940) for the ewes in ON and QC, respectively, and for the lambs was 509 (range=0-25,020) and 147 (range=0-3060) for ON and QC, respectively. During year 2 (April 2007 to March 2008), the mean EPG was 303 (range=0-21,160) and 512 (range=0-22,340) for the ewes in ON and QC, respectively, and for lambs was 460 (range=0-26,180) and 232 (range=0-8280) for ON and QC, respectively. Although the overall mean EPGs were not remarkably high, there were months of higher EPG such as May-June for ewes and July-August for lambs in both provinces. Pasture infectivity was highest in May-June and September. There was a general trend for the CO farms to have lower mean EPG than NCO and C farms.Fecal cultures demonstrated that the most predominant nematode genera were Teladorsagia sp., Haemonchus sp. and Trichostrongylus spp. Pasture infectivity was highest during June-July (984 L3/kg. DM) in ON farms and September (mean = 436 L3/kg. DM) in QC farms during year 1. In year 2, the highest peak was during October in ON (mean = 398 L3/kg. DM) and July in QC (239 L3/kg. DM). Trichostrongylus axei and Trichostrongylus colubriformis were the species most frequently identified from necropsies (36.44% and 38.26%, respectively) at the end of the grazing season in 2006, with Haemonchus contortus and Teladorsagia circumcincta being the next most commonly identified. © 2010 Elsevier B.V.
650 $aANTIHELMÍNTICOS
650 $aCORDEROS
650 $aNEMATODOS GASTROINTESTINALES
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700 1 $aFERNÁNDEZ, S.
700 1 $aVANLEEUWEN, J.
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700 1 $aMARTIN, R.
773 $tVeterinary Parasitology, 2010$gv. 170, no.3-4, p. 244-252.
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| 5. |  | BANCHERO, G.; FERNANDEZ, M.; GANZÁBAL, A.; VÁZQUEZ, A.; QUINTANS, G. Manejo genético y nutricional para aumentar la tasa mellicera de nuestras majadas. In: JORNADAS URUGUAYAS DE BUIATRÍA, 34., 2006, Paysandú, Uruguay. Paysandú, UY: Centro Médico Veterinario de Paysandú, SUB, SMVU. 2006. p. 71-76.| Tipo: Trabajos en Congresos/Conferencias |
| Biblioteca(s): INIA La Estanzuela. |
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| 12. | | IBÁÑEZ, M.; MANTERO, C.; RESQUÍN, F.; MONTORO, A.; PINTOS, X.; FERNÁNDEZ, M. Natural durability Eucalyptus bosistoana and Eucalyptus sideroxylon TIMBER. [Resumen de poster]. ln: Encuentro de Investigadores de la Región Noreste: Cerro Largo-Rivera-Tacuarembó, 1., 12 de agosto de 2016, Campus Interinstitucional de Tacuarembó, Tacuarembó. Libro de Resúmenes. Tacuarembó: UDELAR; INIA, 2016. p. 58| Tipo: Abstracts/Resúmenes |
| Biblioteca(s): INIA Tacuarembó. |
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| 13. | | FERNÁNDEZ, M.; CASAUX, M.L.; FRAGA, M.; VIGNOLI, R.; BADO, I.; ZUNINO, P.; UMPIÉRREZ, A. Shiga toxin-producing Escherichia coli (STEC) associated with calf mortality in Uruguay. Microorganisms. 2023, Volume 11, Issue 7, p. 1704. https://doi.org/10.3390/microorganisms11071704 ---- OPEN ACCESS. Article history: Received 17 May 2023; Revised 5 June 2023; Accepted 8 June 2023; Published 29 June 2023. -- Academic Editors: Kim Stanford,
Flemming Scheutz, Chad R. Laing, Linda Chui, Nicole Van De Kar, Patricia Griffin, Tim A....| Tipo: Artículos en Revistas Indexadas Internacionales | Circulación / Nivel : Internacional - -- |
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| 15. | | RIVERO, R.; MINOLI, P.; PARODI, P.; MATTO, C.; ARMÚA-FERNÁNDEZ, M.T.; GIANNEECHINI, E.; CARVALHO, L.; VENZAL, J.M. Descripción de un foco de rangeliosis canina en el litoral noroeste del Uruguay. [Description of an outbreak of canine rangeliosis in the northwest littoral of Uruguay.]. Sección: Artículos originales. Veterinaria (Montevideo), 2017, vol. 54, no. 208, p. 15-22. -- OPEN ACCESS. Article history: Recibido 11 Octubre 2017, Aceptado 21 Noviembre 2017, Publicado 1 Diciembre 2017. -- Autor para correspondencia: rrivero@mgap.gub.uy -- Publicación de la Sociedad de Medicina Veterinaria del Uruguay (SMVU).| Tipo: Artículos en Revistas Indexadas Nacionales | Circulación / Nivel : Nacional - -- |
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| 16. | | PARODI, P.; ARMÚA-FERNÁNDEZ, M.T.; CORBELLINI, L.G.; RIVERO, R.; MIRABALLES, C.; RIET-CORREA, F.; VENZAL, J.M. Description of bovine babesiosis and anaplasmosis outbreaks in northern Uruguay between 2016 and 2018. Veterinary Parasitology: Regional Studies and Reports, 2022, Volume 29, Article number 100700. doi: https://doi.org/10.1016/j.vprsr.2022.100700 Article history: Received 7 April 2021; Received in revised form 27 November 2021; Accepted 26 January 2022; Available online 2 February 2022.
Corresponding author: Parodi, P.; Instituto Nacional de Investigación Agropecuaria,...| Tipo: Artículos en Revistas Indexadas Internacionales | Circulación / Nivel : Internacional - -- |
| Biblioteca(s): INIA Las Brujas. |
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| 17. | | FÉLIX, M.L; ARMÚA-FERNÁNDEZ, M.T; PARODI, P.; BAZZANO , V.; MANGOLD, A.J.; VENZAL, J.M. Detection of a putative novel genotype of Anaplasma in gray-brocket deer (Mazama gouazoubira) from Uruguay. Experimental and Applied Acarology, Vol. 81, number 4, pag. 575-583, Aug 2020. Doi: https://doi.org/10.1007/s10493-020-00523-0 Article histort: Received 13 December 2019/Accepted03 July 2020/Published09 July 2020.We would like to thank Comisión Sectorial de Investigación Científica (CSIC), Programa Iniciación a la Investigación 2017, Project ID 160 for the...| Tipo: Artículos en Revistas Indexadas Internacionales | Circulación / Nivel : Internacional - -- |
| Biblioteca(s): INIA La Estanzuela. |
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| 18. | | ANTÚNEZ, G.; CAJARVILLE, C.; FERNÁNDEZ, C.; DAYUTO, J.; ARTÚS, L; FERNÁNDEZ, M.; HORNOS, L.; CORREA, F.; BENTANCUR, O.; REPETTO, J. Estrategias de alimentación en la cría y recría de terneras lecheras y sus efectos sobre el crecimiento y la eficiencia de conservación. In: Jornadas Uruguayas de Buiatría, 46., 2018, Paysandú, Uy., Matto, C.; Delpiazzo, R.(Ed.). Trabajos presentados. Paysandú: Centro Médico Veterinario de Paysandú/Sociedad Uruguaya de Buiatría, 2018. p. 204-207.| Tipo: Trabajos en Congresos/Conferencias |
| Biblioteca(s): INIA La Estanzuela. |
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| 19. | | PARODI, P.; BAZZANO, V.; ARMÚA-FERNÁNDEZ, M.T.; FÉLIX, M.L.; CARVALHO, L.A.; FREIRE, J.; VENZAL, J.M. Molecular survey of Piroplasmida, Hepatozoon spp. and Anaplasmataceae in anemic and thrombocytopenic dogs from Uruguay. Original article. Veterinary Parasitology: Regional Studies and Reports. 2024, Volume 51, 101027. https://doi.org/10.1016/j.vprsr.2024.101027 Article history: Received 28 February 2024, Revised 8 April 2024, Accepted 17 April 2024, Available online 21 April 2024, Version of Record 23 April 2024. -- Corresponding author at: Rivera 1350, CP 50000 Salto, Uruguay. E-mail address:...| Tipo: Artículos en Revistas Indexadas Internacionales | Circulación / Nivel : Internacional - -- |
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| 20. | | UMPIÉRREZ , A.; ERNST, E.; CARDOZO, A.; TORRES, A.; FERNÁNDEZ, M.; FRAGA, M.; VIGNOLI, R.; BADO, I.; VIDAL, R.; ZUNINO, P. Non-O157 Shiga toxin-producing Escherichia coli with potential harmful profiles to humans are isolated from the faeces of calves in Uruguay. Austral Journal of Veterinary Sciences, 2022, Vol. 54 Issue 2, p.45-53. doi: https://doi.org/10.4067/S0719-81322022000200045 SSN 0719-8132 (version on-line)
ISSN 0719-8000 (version print) Article history: Received 12 October 2021; Accepted 30 December 2021; Published 09 May 2022.
Corresponding author: Ana Umpiérrez; Avenida Italia 3318, CP 11600, Montevideo, Uruguay; aumpierrez@iibce.edu.uy| Tipo: Artículos en Revistas Indexadas Internacionales | Circulación / Nivel : Internacional - -- |
| Biblioteca(s): INIA Las Brujas. |
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