Ovine abortion by Neospora caninum: first case reported in Argentina

Autores
Hecker, Yanina; Morrell, Eleonora Lidia; Fiorentino, María Andrea; Gual, Ignacio; Rivera, Emilia; Fiorani, Franco; Dorsch, Matías; Gos, María Laura; Pardini, Lais; Scioli, María; Magariños, Sergio; Paolicchi, Fernando; Canton, German Jose; Moore, Prando Dadin
Año de publicación
2019
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Purpose The aim of this study was to describe for the first time a natural case of ovine abortion associated with Neospora caninum in a flock with reproductive losses in Argentina. Materials and Methods The analyzed flock consisted of 256 Texel sheep, of which 134 had been mated. A single blood sample was obtained by jugular vein puncture from 220 ewes (116 adult ewes, 104 yearling ewes) and 93 lambs. Serum samples and fetal fluid were tested using the indirect fluorescence antibody test to detect antibodies against N. caninum and T. gondii. Fetal and placental tissues from aborted fetus were examined by standard gross pathology procedures and were tested using histopathology and immunohistochemistry. Moreover, DNA from fetal and placental tissues was isolated and a PCR assay to detect N. caninum, T. gondii and Chlamydia spp. was used. Results and Discussion The pregnancy rate was 89% (119/134), the abortion rate was 8.4% (10/119) whereas the perinatal mortality rate was 15% (16/109). Out of 116 adult ewes sampled, 34.48% presented anti-N. caninum antibodies. Ten ewes had aborted, and one fetus was directly submitted to the diagnostic laboratory for further processing. Antibodies against N. caninum were detected in fetal fluid and in the aborted dam. Histopathological analysis in fetal tissues showed multifocal lymphohistiocytic glossitis, diffuse mild lymphohistiocytic endocarditis, pericarditis and focally extensive myocarditis. Severe multifocal necrotizing placentitis and diffuse mild lymphohistiocytic placentitis with the presence of lymphohistiocytic vasculitis were observed in placenta. N. caninum was immunolabeled in the placenta and fetal tongue. In addition, N. caninum DNA was detected in placenta, central neural system, lung and heart of the aborted fetus. There was no evidence of other infectious abortifacients in the aborted fetus. Conclusion The present study described for the first time an ovine abortion caused by N. caninum in Argentina. Further investigations at a larger scale are required to establish the role of N. caninum as an important cause of reproductive losses in sheep flocks from the region.
EEA Balcarce
Fil: Hecker, Yanina Paola. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Argentina.
Fil: Morrel, Eleonora Lidia. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina.
Fil: Fiorentino, María Andrea. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina.
Fil: Gual, Ignacio. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina.
Fil: Rivera, Emilia. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina.
Fil: Fiorani, Franco. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina.
Fil: Dorsch, Matías A. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina.
Fil; Gos, María L. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Argentina. Universidad Nacional de La Plata. Facultad de Medicina Veterinaria; Argentina.
Fil: Pardini, Lais L. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Argentina. Universidad Nacional de La Plata. Facultad de Medicina Veterinaria; Argentina.
Fil: Scioli, María V. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina.
Fil: Magariños, Sergio. Actividad privada; Argentina.
Fil: Paolicchi, Fernando A. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina.
Fil: Cantón, Germán José. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina.
Fil: Moore, Dadín Prando. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Argentina.
Fuente
Acta parasitologica : 1-6. (04 September 2019)
Materia
Ovino
Aborto
Neospora Caninum
Argentina
Sheep
Abortion
Reproductive Health
Salud Reproductiva
Reproductive Losses
Nivel de accesibilidad
acceso restringido
Condiciones de uso
Repositorio
INTA Digital (INTA)
Institución
Instituto Nacional de Tecnología Agropecuaria
OAI Identificador
oai:localhost:20.500.12123/6036

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spelling Ovine abortion by Neospora caninum: first case reported in ArgentinaHecker, YaninaMorrell, Eleonora LidiaFiorentino, María AndreaGual, IgnacioRivera, EmiliaFiorani, FrancoDorsch, MatíasGos, María LauraPardini, LaisScioli, MaríaMagariños, SergioPaolicchi, FernandoCanton, German JoseMoore, Prando DadinOvinoAbortoNeospora CaninumArgentinaSheepAbortionReproductive HealthSalud ReproductivaReproductive LossesPurpose The aim of this study was to describe for the first time a natural case of ovine abortion associated with Neospora caninum in a flock with reproductive losses in Argentina. Materials and Methods The analyzed flock consisted of 256 Texel sheep, of which 134 had been mated. A single blood sample was obtained by jugular vein puncture from 220 ewes (116 adult ewes, 104 yearling ewes) and 93 lambs. Serum samples and fetal fluid were tested using the indirect fluorescence antibody test to detect antibodies against N. caninum and T. gondii. Fetal and placental tissues from aborted fetus were examined by standard gross pathology procedures and were tested using histopathology and immunohistochemistry. Moreover, DNA from fetal and placental tissues was isolated and a PCR assay to detect N. caninum, T. gondii and Chlamydia spp. was used. Results and Discussion The pregnancy rate was 89% (119/134), the abortion rate was 8.4% (10/119) whereas the perinatal mortality rate was 15% (16/109). Out of 116 adult ewes sampled, 34.48% presented anti-N. caninum antibodies. Ten ewes had aborted, and one fetus was directly submitted to the diagnostic laboratory for further processing. Antibodies against N. caninum were detected in fetal fluid and in the aborted dam. Histopathological analysis in fetal tissues showed multifocal lymphohistiocytic glossitis, diffuse mild lymphohistiocytic endocarditis, pericarditis and focally extensive myocarditis. Severe multifocal necrotizing placentitis and diffuse mild lymphohistiocytic placentitis with the presence of lymphohistiocytic vasculitis were observed in placenta. N. caninum was immunolabeled in the placenta and fetal tongue. In addition, N. caninum DNA was detected in placenta, central neural system, lung and heart of the aborted fetus. There was no evidence of other infectious abortifacients in the aborted fetus. Conclusion The present study described for the first time an ovine abortion caused by N. caninum in Argentina. Further investigations at a larger scale are required to establish the role of N. caninum as an important cause of reproductive losses in sheep flocks from the region.EEA BalcarceFil: Hecker, Yanina Paola. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Argentina.Fil: Morrel, Eleonora Lidia. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina.Fil: Fiorentino, María Andrea. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina.Fil: Gual, Ignacio. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina.Fil: Rivera, Emilia. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina.Fil: Fiorani, Franco. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina.Fil: Dorsch, Matías A. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina.Fil; Gos, María L. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Argentina. Universidad Nacional de La Plata. Facultad de Medicina Veterinaria; Argentina.Fil: Pardini, Lais L. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Argentina. Universidad Nacional de La Plata. Facultad de Medicina Veterinaria; Argentina.Fil: Scioli, María V. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina.Fil: Magariños, Sergio. Actividad privada; Argentina.Fil: Paolicchi, Fernando A. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina.Fil: Cantón, Germán José. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina.Fil: Moore, Dadín Prando. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Argentina.Springer Verlag Germany2019-10-02T14:35:59Z2019-10-02T14:35:59Z2019-09-04info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfhttps://link.springer.com/article/10.2478/s11686-019-00106-zhttp://hdl.handle.net/20.500.12123/60361230-28211896-1851 (Online)https://doi.org/10.2478/s11686-019-00106-zActa parasitologica : 1-6. (04 September 2019)reponame:INTA Digital (INTA)instname:Instituto Nacional de Tecnología Agropecuariaenginfo:eu-repo/semantics/restrictedAccess2025-09-29T13:44:47Zoai:localhost:20.500.12123/6036instacron:INTAInstitucionalhttp://repositorio.inta.gob.ar/Organismo científico-tecnológicoNo correspondehttp://repositorio.inta.gob.ar/oai/requesttripaldi.nicolas@inta.gob.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:l2025-09-29 13:44:47.636INTA Digital (INTA) - Instituto Nacional de Tecnología Agropecuariafalse
dc.title.none.fl_str_mv Ovine abortion by Neospora caninum: first case reported in Argentina
title Ovine abortion by Neospora caninum: first case reported in Argentina
spellingShingle Ovine abortion by Neospora caninum: first case reported in Argentina
Hecker, Yanina
Ovino
Aborto
Neospora Caninum
Argentina
Sheep
Abortion
Reproductive Health
Salud Reproductiva
Reproductive Losses
title_short Ovine abortion by Neospora caninum: first case reported in Argentina
title_full Ovine abortion by Neospora caninum: first case reported in Argentina
title_fullStr Ovine abortion by Neospora caninum: first case reported in Argentina
title_full_unstemmed Ovine abortion by Neospora caninum: first case reported in Argentina
title_sort Ovine abortion by Neospora caninum: first case reported in Argentina
dc.creator.none.fl_str_mv Hecker, Yanina
Morrell, Eleonora Lidia
Fiorentino, María Andrea
Gual, Ignacio
Rivera, Emilia
Fiorani, Franco
Dorsch, Matías
Gos, María Laura
Pardini, Lais
Scioli, María
Magariños, Sergio
Paolicchi, Fernando
Canton, German Jose
Moore, Prando Dadin
author Hecker, Yanina
author_facet Hecker, Yanina
Morrell, Eleonora Lidia
Fiorentino, María Andrea
Gual, Ignacio
Rivera, Emilia
Fiorani, Franco
Dorsch, Matías
Gos, María Laura
Pardini, Lais
Scioli, María
Magariños, Sergio
Paolicchi, Fernando
Canton, German Jose
Moore, Prando Dadin
author_role author
author2 Morrell, Eleonora Lidia
Fiorentino, María Andrea
Gual, Ignacio
Rivera, Emilia
Fiorani, Franco
Dorsch, Matías
Gos, María Laura
Pardini, Lais
Scioli, María
Magariños, Sergio
Paolicchi, Fernando
Canton, German Jose
Moore, Prando Dadin
author2_role author
author
author
author
author
author
author
author
author
author
author
author
author
dc.subject.none.fl_str_mv Ovino
Aborto
Neospora Caninum
Argentina
Sheep
Abortion
Reproductive Health
Salud Reproductiva
Reproductive Losses
topic Ovino
Aborto
Neospora Caninum
Argentina
Sheep
Abortion
Reproductive Health
Salud Reproductiva
Reproductive Losses
dc.description.none.fl_txt_mv Purpose The aim of this study was to describe for the first time a natural case of ovine abortion associated with Neospora caninum in a flock with reproductive losses in Argentina. Materials and Methods The analyzed flock consisted of 256 Texel sheep, of which 134 had been mated. A single blood sample was obtained by jugular vein puncture from 220 ewes (116 adult ewes, 104 yearling ewes) and 93 lambs. Serum samples and fetal fluid were tested using the indirect fluorescence antibody test to detect antibodies against N. caninum and T. gondii. Fetal and placental tissues from aborted fetus were examined by standard gross pathology procedures and were tested using histopathology and immunohistochemistry. Moreover, DNA from fetal and placental tissues was isolated and a PCR assay to detect N. caninum, T. gondii and Chlamydia spp. was used. Results and Discussion The pregnancy rate was 89% (119/134), the abortion rate was 8.4% (10/119) whereas the perinatal mortality rate was 15% (16/109). Out of 116 adult ewes sampled, 34.48% presented anti-N. caninum antibodies. Ten ewes had aborted, and one fetus was directly submitted to the diagnostic laboratory for further processing. Antibodies against N. caninum were detected in fetal fluid and in the aborted dam. Histopathological analysis in fetal tissues showed multifocal lymphohistiocytic glossitis, diffuse mild lymphohistiocytic endocarditis, pericarditis and focally extensive myocarditis. Severe multifocal necrotizing placentitis and diffuse mild lymphohistiocytic placentitis with the presence of lymphohistiocytic vasculitis were observed in placenta. N. caninum was immunolabeled in the placenta and fetal tongue. In addition, N. caninum DNA was detected in placenta, central neural system, lung and heart of the aborted fetus. There was no evidence of other infectious abortifacients in the aborted fetus. Conclusion The present study described for the first time an ovine abortion caused by N. caninum in Argentina. Further investigations at a larger scale are required to establish the role of N. caninum as an important cause of reproductive losses in sheep flocks from the region.
EEA Balcarce
Fil: Hecker, Yanina Paola. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Argentina.
Fil: Morrel, Eleonora Lidia. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina.
Fil: Fiorentino, María Andrea. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina.
Fil: Gual, Ignacio. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina.
Fil: Rivera, Emilia. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina.
Fil: Fiorani, Franco. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina.
Fil: Dorsch, Matías A. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina.
Fil; Gos, María L. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Argentina. Universidad Nacional de La Plata. Facultad de Medicina Veterinaria; Argentina.
Fil: Pardini, Lais L. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Argentina. Universidad Nacional de La Plata. Facultad de Medicina Veterinaria; Argentina.
Fil: Scioli, María V. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina.
Fil: Magariños, Sergio. Actividad privada; Argentina.
Fil: Paolicchi, Fernando A. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina.
Fil: Cantón, Germán José. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina.
Fil: Moore, Dadín Prando. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Argentina.
description Purpose The aim of this study was to describe for the first time a natural case of ovine abortion associated with Neospora caninum in a flock with reproductive losses in Argentina. Materials and Methods The analyzed flock consisted of 256 Texel sheep, of which 134 had been mated. A single blood sample was obtained by jugular vein puncture from 220 ewes (116 adult ewes, 104 yearling ewes) and 93 lambs. Serum samples and fetal fluid were tested using the indirect fluorescence antibody test to detect antibodies against N. caninum and T. gondii. Fetal and placental tissues from aborted fetus were examined by standard gross pathology procedures and were tested using histopathology and immunohistochemistry. Moreover, DNA from fetal and placental tissues was isolated and a PCR assay to detect N. caninum, T. gondii and Chlamydia spp. was used. Results and Discussion The pregnancy rate was 89% (119/134), the abortion rate was 8.4% (10/119) whereas the perinatal mortality rate was 15% (16/109). Out of 116 adult ewes sampled, 34.48% presented anti-N. caninum antibodies. Ten ewes had aborted, and one fetus was directly submitted to the diagnostic laboratory for further processing. Antibodies against N. caninum were detected in fetal fluid and in the aborted dam. Histopathological analysis in fetal tissues showed multifocal lymphohistiocytic glossitis, diffuse mild lymphohistiocytic endocarditis, pericarditis and focally extensive myocarditis. Severe multifocal necrotizing placentitis and diffuse mild lymphohistiocytic placentitis with the presence of lymphohistiocytic vasculitis were observed in placenta. N. caninum was immunolabeled in the placenta and fetal tongue. In addition, N. caninum DNA was detected in placenta, central neural system, lung and heart of the aborted fetus. There was no evidence of other infectious abortifacients in the aborted fetus. Conclusion The present study described for the first time an ovine abortion caused by N. caninum in Argentina. Further investigations at a larger scale are required to establish the role of N. caninum as an important cause of reproductive losses in sheep flocks from the region.
publishDate 2019
dc.date.none.fl_str_mv 2019-10-02T14:35:59Z
2019-10-02T14:35:59Z
2019-09-04
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv https://link.springer.com/article/10.2478/s11686-019-00106-z
http://hdl.handle.net/20.500.12123/6036
1230-2821
1896-1851 (Online)
https://doi.org/10.2478/s11686-019-00106-z
url https://link.springer.com/article/10.2478/s11686-019-00106-z
http://hdl.handle.net/20.500.12123/6036
https://doi.org/10.2478/s11686-019-00106-z
identifier_str_mv 1230-2821
1896-1851 (Online)
dc.language.none.fl_str_mv eng
language eng
dc.rights.none.fl_str_mv info:eu-repo/semantics/restrictedAccess
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dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Springer Verlag Germany
publisher.none.fl_str_mv Springer Verlag Germany
dc.source.none.fl_str_mv Acta parasitologica : 1-6. (04 September 2019)
reponame:INTA Digital (INTA)
instname:Instituto Nacional de Tecnología Agropecuaria
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