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| 69. |  | Blanco, P.; Pérez de Vida, F.; Molina, F.; Avila, S.; Silvera, W. Mejoramiento genético ln: Día de Campo Arroz: Unidad Experimental Paso de la Laguna y Gira por ensayos regionales en la 7ª sección de Treinta y Tres Blanco, P.; Roel, A.; Deambrosi, E.; Saldain, N.; Méndez, R.; Avila, S.; Terrra, J.; Pérez, F.; Molina, F.; Cantou, G.; Alzugaray, R.; Bao, L. Trabajos presentados. Treinta y Tres (Uruguay): INIA, 2009. p. 1-4 INIA Treinta y Tres. Unidad Experimental Paso de la Laguna| Biblioteca(s): INIA Tacuarembó. |
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| 72. | | BLANCO, P.H.; GAGGERO, M.; ÁVILA, S.; LAVECCHIA, A.; MARCHESI, C.; PÉREZ DE VIDA, F.; CASALES, L. Mejoramiento genético. ln: INIA TACUAREMBÓ; PROGRAMA NACIONAL PRODUCCIÓN DE ARROZ. Resultados experimentales de arroz: Zafra 2000-2001, Tacuarembó, Agosto, 2001. Tacuarembó (Uruguay): INIA, 2001. cap. 3, p. 1-39 (INIA Serie Actividades de Difusión ; 262)| Biblioteca(s): INIA Tacuarembó. |
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| 74. | | BLANCO, P.H.; GAGGERO, M.; PÉREZ DE VIDA, F.; ÁVILA, S.; ZORRILLA DE SAN MARTÍN, G.; LAVECCHIA, A.; MARCHESI, C.; CAPDEVIELLE, F.; CASTILLO, A. Desarrollo de cultivares en el Programa de Mejoramiento Genético de Arroz de INIA Uruguay. [Resumen]. ln: Conferencia Internacional de Arroz de Clima Templado, 3., 2003, Punta del Este, Uruguay Resúmenes. Montevideo (Uruguay): ACA; INIA; GMA; FLAR, 2003. p. 41. "Instituto Nacional de Investigación Agropecuaria, Uruguay (INIA); Asociación de Cultivadores de Arroz (ACA); Gremial de Molinos Arroceros (GMA); Fondo Latinoamericano de Arroz de Riego (FLAR)"| Biblioteca(s): INIA Treinta y Tres. |
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| 77. | | BLANCO, P.H.; GAGGERO, T; PÉREZ DE VIDA, F.; ÁVILA, S.; LAVECCHIA, A.; MARCHESI, C.; ZORRILLA DE SAN MARTÍN, G.; ACEVEDO, A.; DEAMBROSI, E.; MÉNDEZ, R. INIA OIJMAR (L 3000): Nueva variedad de arroz de alto rendimiento. El País Agropecuario, 2002, v. 7, no. 91, p. 25-28| Biblioteca(s): INIA Tacuarembó. |
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 | Acceso al texto completo restringido a Biblioteca INIA La Estanzuela. Por información adicional contacte bib_le@inia.org.uy. |
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Registro completo
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Biblioteca (s) : |
INIA La Estanzuela. |
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Fecha actual : |
24/04/2018 |
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Actualizado : |
09/10/2019 |
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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 : |
GIANNITTI, F.; FRAGA, M.; CAFFARENA, D.; SCHILD, C.; BANCHERO, G.; ARMIÉN, A.G.; TRAVERÍA, G.; MARTHALER, D.; WELLS, S.J.; RIET-CORREA, F. |
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Afiliación : |
FEDERICO GIANNITTI, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay./Veterinary Population Medicine Department, College of Veterinary Medicine, University of Minnesota, Saint Paul, MN, United States.; MARTIN FRAGA COTELO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; RUBEN DARÍO CAFFARENA LEDESMA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; CARLOS SCHILD, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; GEORGGET ELIZABETH BANCHERO HUNZIKER, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; ANÍBAL GUILLERMO ARMIÉN, Veterinary Population Medicine Department, College of Veterinary Medicine, University of Minnesota, Saint Paul, MN, United States.; GABRIEL TRAVERÍA, Centro de Diagnóstico e Investigaciones Veterinarias (CEDIVE), Universidad Nacional de La Plata, Chascomús, Buenos Aires, Argentina.; DOUGLAS MARTHALER, Veterinary Population Medicine Department, College of Veterinary Medicine, University of Minnesota, Saint Paul, MN, United States.; SCOTT JOSEPH WELLS, Veterinary Population Medicine Department, College of Veterinary Medicine, University of Minnesota, Saint Paul, MN, United States.; FRANKLIN RIET-CORREA AMARAL, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
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Título : |
Mycobacterium paratuberculosis sheep type strain in Uruguay: Evidence for a wider geographic distribution in South America. |
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Fecha de publicación : |
2018 |
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Fuente / Imprenta : |
Journal of Infection in Developing Countries , v. 12, n. 3, p.190-195, 2018. |
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DOI : |
10.3855/jidc.9751 |
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Idioma : |
Inglés |
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Notas : |
Article history: Received 11 September 2017 // Accepted 15 March 2018. |
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Contenido : |
Abstract:
Johne?s disease (JD) is an economically important disease of ruminants caused by Mycobacterium avium paratuberculosis (MAP), which also
infects other species including humans. Two major MAP strain types are currently recognized: sheep (S) and cattle (C) types. Information on
JD prevalence and MAP types infecting small ruminants in South America is limited, and all but one of the MAP types reported from this
region are of the C type. This study describes clinicopathological, molecular and microbiological findings in 11 cases of JD caused by a type
S MAP strain, and estimated true within-flock prevalence in a ~735-sheep operation in Uruguay. Postmortem examination and histology
(hematoxylin-eosin and Ziehl-Neelsen stains) of samples from 41 selected sheep revealed lymphohistiocytic/granulomatous enteritis and
mesenteric lymphadenitis in 11 animals, with moderate/severe multibacillary lesions in 6 clinical cases, and minimal/mild paucibacillary lesions
in 5 sub-clinical cases. Immunohistochemistry using an antibody against Mycobacterium bovis that cross-reacts with MAP (2 cases), and
transmission electron microscopy (1 case), revealed myriads of intrahistiocytic mycobacteria. MAP was isolated in one case and detected by
PCR in 6 cases. The S type of MAP was identified using a multiplex PCR that distinguishes between S and C types, and PCR-REA. The
estimated true within-flock prevalence was ? 2.3%. This represents the first communication on within-flock prevalence of JD associated with
a type S MAP strain in South America and the second documentation of this strain in the subcontinent. Additional studies are required to better
understand the molecular epidemiology of the different MAP types in the region. MenosAbstract:
Johne?s disease (JD) is an economically important disease of ruminants caused by Mycobacterium avium paratuberculosis (MAP), which also
infects other species including humans. Two major MAP strain types are currently recognized: sheep (S) and cattle (C) types. Information on
JD prevalence and MAP types infecting small ruminants in South America is limited, and all but one of the MAP types reported from this
region are of the C type. This study describes clinicopathological, molecular and microbiological findings in 11 cases of JD caused by a type
S MAP strain, and estimated true within-flock prevalence in a ~735-sheep operation in Uruguay. Postmortem examination and histology
(hematoxylin-eosin and Ziehl-Neelsen stains) of samples from 41 selected sheep revealed lymphohistiocytic/granulomatous enteritis and
mesenteric lymphadenitis in 11 animals, with moderate/severe multibacillary lesions in 6 clinical cases, and minimal/mild paucibacillary lesions
in 5 sub-clinical cases. Immunohistochemistry using an antibody against Mycobacterium bovis that cross-reacts with MAP (2 cases), and
transmission electron microscopy (1 case), revealed myriads of intrahistiocytic mycobacteria. MAP was isolated in one case and detected by
PCR in 6 cases. The S type of MAP was identified using a multiplex PCR that distinguishes between S and C types, and PCR-REA. The
estimated true within-flock prevalence was ? 2.3%. This represents the first communication on within-flock prevalence of J... Presentar Todo |
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Palabras claves : |
ENTERITIS; INFECTIOUS DISEASE; LIVESTOCK; PARATUBERCULOSIS; PLATAFORMA SALUD ANIMAL; RUMINANTS. |
|
Thesagro : |
ENFERMEDADES INFECCIOSAS; OVEJA; RUMIANTES; URUGUAY. |
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Asunto categoría : |
L73 Enfermedades de los animales |
|
Marc : |
LEADER 02872naa a2200373 a 4500
001 1058474
005 2019-10-09
008 2018 bl uuuu u00u1 u #d
024 7 $a10.3855/jidc.9751$2DOI
100 1 $aGIANNITTI, F.
245 $aMycobacterium paratuberculosis sheep type strain in Uruguay$bEvidence for a wider geographic distribution in South America.$h[electronic resource]
260 $c2018
500 $aArticle history: Received 11 September 2017 // Accepted 15 March 2018.
520 $aAbstract: Johne?s disease (JD) is an economically important disease of ruminants caused by Mycobacterium avium paratuberculosis (MAP), which also infects other species including humans. Two major MAP strain types are currently recognized: sheep (S) and cattle (C) types. Information on JD prevalence and MAP types infecting small ruminants in South America is limited, and all but one of the MAP types reported from this region are of the C type. This study describes clinicopathological, molecular and microbiological findings in 11 cases of JD caused by a type S MAP strain, and estimated true within-flock prevalence in a ~735-sheep operation in Uruguay. Postmortem examination and histology (hematoxylin-eosin and Ziehl-Neelsen stains) of samples from 41 selected sheep revealed lymphohistiocytic/granulomatous enteritis and mesenteric lymphadenitis in 11 animals, with moderate/severe multibacillary lesions in 6 clinical cases, and minimal/mild paucibacillary lesions in 5 sub-clinical cases. Immunohistochemistry using an antibody against Mycobacterium bovis that cross-reacts with MAP (2 cases), and transmission electron microscopy (1 case), revealed myriads of intrahistiocytic mycobacteria. MAP was isolated in one case and detected by PCR in 6 cases. The S type of MAP was identified using a multiplex PCR that distinguishes between S and C types, and PCR-REA. The estimated true within-flock prevalence was ? 2.3%. This represents the first communication on within-flock prevalence of JD associated with a type S MAP strain in South America and the second documentation of this strain in the subcontinent. Additional studies are required to better understand the molecular epidemiology of the different MAP types in the region.
650 $aENFERMEDADES INFECCIOSAS
650 $aOVEJA
650 $aRUMIANTES
650 $aURUGUAY
653 $aENTERITIS
653 $aINFECTIOUS DISEASE
653 $aLIVESTOCK
653 $aPARATUBERCULOSIS
653 $aPLATAFORMA SALUD ANIMAL
653 $aRUMINANTS
700 1 $aFRAGA, M.
700 1 $aCAFFARENA, D.
700 1 $aSCHILD, C.
700 1 $aBANCHERO, G.
700 1 $aARMIÉN, A.G.
700 1 $aTRAVERÍA, G.
700 1 $aMARTHALER, D.
700 1 $aWELLS, S.J.
700 1 $aRIET-CORREA, F.
773 $tJournal of Infection in Developing Countries$gv. 12, n. 3, p.190-195, 2018.
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