Diagnostic investigation of 100 cases of abortion in sheep in Uruguay: 2015-2021
The aim of this work was to identify causes of abortion through laboratory investigations in sheep flocks in Uruguay. One hundred cases of abortion, comprising 58 fetuses, 36 fetuses with their placentas, and 6 placentas were investigated in 2015-2021. Cases were subjected to gross and microscopic p...
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| Format: | article |
| Language: | English |
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2022
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| Online Access: | https://hdl.handle.net/20.500.12008/41048 |
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| _version_ | 1868890210202288128 |
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| author | Dorsch, Matías A. |
| author2 | Francia, María Eugenia Tana, Leandro R. González Ramírez, Fabiana Cristina Cabrera Castro, Andrés M. Calleros Basilio, Lucía Sanguinetti, Margarita Barcellos Coitiño, Maila Sabrina Zarantonelli, Leticia Ciuffo, Camila Maya Soto, Leticia María Castells Bauer, Matías Mirazo, Santiago da Silva Silveira, Caroline Rabaza, Ana Caffarena, Rubén Darío Doncel Díaz, Benjamín Aráoz, Virginia Matto, Carolina Armendano, Joaquín I. Salada, Sofía Fraga Cotelo, Martín Fierro, Sergio Giannitti, Federico |
| author2_role | author author author author author author author author author author author author author author author author author author author author author author author |
| author_browse | Armendano, Joaquín I. Aráoz, Virginia Barcellos Coitiño, Maila Sabrina Cabrera Castro, Andrés M. Caffarena, Rubén Darío Calleros Basilio, Lucía Castells Bauer, Matías Ciuffo, Camila Doncel Díaz, Benjamín Dorsch, Matías A. Fierro, Sergio Fraga Cotelo, Martín Francia, María Eugenia Giannitti, Federico González Ramírez, Fabiana Cristina Matto, Carolina Maya Soto, Leticia María Mirazo, Santiago Rabaza, Ana Salada, Sofía Sanguinetti, Margarita Tana, Leandro R. Zarantonelli, Leticia da Silva Silveira, Caroline |
| author_facet | Dorsch, Matías A. Francia, María Eugenia Tana, Leandro R. González Ramírez, Fabiana Cristina Cabrera Castro, Andrés M. Calleros Basilio, Lucía Sanguinetti, Margarita Barcellos Coitiño, Maila Sabrina Zarantonelli, Leticia Ciuffo, Camila Maya Soto, Leticia María Castells Bauer, Matías Mirazo, Santiago da Silva Silveira, Caroline Rabaza, Ana Caffarena, Rubén Darío Doncel Díaz, Benjamín Aráoz, Virginia Matto, Carolina Armendano, Joaquín I. Salada, Sofía Fraga Cotelo, Martín Fierro, Sergio Giannitti, Federico |
| author_role | author |
| collection | COLIBRI |
| dc.contributor.none.fl_str_mv | Dorsch Matías A., INIA Francia María Eugenia, Instituto Pasteur (Montevideo). Tana Leandro R., Instituto Pasteur (Montevideo). González Ramírez Fabiana Cristina, Instituto Pasteur (Montevideo). Cabrera Castro Andrés M., Instituto Pasteur (Montevideo). Calleros Basilio Lucía, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Biología. Sanguinetti Margarita, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Biología. Barcellos Coitiño Maila Sabrina, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Biología. Zarantonelli Leticia, UMPI Ciuffo Camila, UMPI Maya Soto Leticia María, Universidad de la República (Uruguay). CENUR Litoral Norte. Castells Bauer Matías, Universidad de la República (Uruguay). CENUR Litoral Norte. Mirazo Santiago, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Biología. da Silva Silveira Caroline, INIA Rabaza Ana, INIA Caffarena Rubén Darío, INIA Doncel Díaz Benjamín, INIA Aráoz Virginia, INIA Matto Carolina, MGAP Armendano Joaquín I., , Universidad Nacional del Centro de la Provincia de Buenos Aires Salada Sofía, SUL Fraga Cotelo Martín, INIA Fierro Sergio, SUL Giannitti Federico, INIA |
| dc.creator.none.fl_str_mv | Dorsch, Matías A. Francia, María Eugenia Tana, Leandro R. González Ramírez, Fabiana Cristina Cabrera Castro, Andrés M. Calleros Basilio, Lucía Sanguinetti, Margarita Barcellos Coitiño, Maila Sabrina Zarantonelli, Leticia Ciuffo, Camila Maya Soto, Leticia María Castells Bauer, Matías Mirazo, Santiago da Silva Silveira, Caroline Rabaza, Ana Caffarena, Rubén Darío Doncel Díaz, Benjamín Aráoz, Virginia Matto, Carolina Armendano, Joaquín I. Salada, Sofía Fraga Cotelo, Martín Fierro, Sergio Giannitti, Federico |
| dc.date.none.fl_str_mv | 2022 2023-11-10T14:12:45Z 2023-11-10T14:12:45Z |
| dc.format.none.fl_str_mv | 20 h. application/pdf |
| dc.identifier.none.fl_str_mv | Dorsch, M, Francia, M, Tana, L, [y otros autores]. "Diagnostic investigation of 100 cases of abortion in sheep in Uruguay: 2015-2021". Frontiers in Veterinary Science. [en línea] 2022, 9: 904786. 20 h. DOI: 10.3389/fvets.2022.904786 2297-1769 https://hdl.handle.net/20.500.12008/41048 10.3389/fvets.2022.904786 |
| dc.language.none.fl_str_mv | en_US eng |
| dc.publisher.none.fl_str_mv | Frontiers Media |
| dc.relation.none.fl_str_mv | Frontiers in Veterinary Science, 2022, 9: 904786. |
| dc.rights.none.fl_str_mv | info:eu-repo/semantics/openAccess Licencia Creative Commons Atribución (CC - By 4.0) |
| dc.source.none.fl_str_mv | reponame:COLIBRI instname:Universidad de la República instacron:Universidad de la República |
| dc.subject.none.fl_str_mv | Sheep Abortion Pathology Toxoplasmosis Campylobacteriosis Dystocia Reproductive losses Infectious diseases |
| dc.title.none.fl_str_mv | Diagnostic investigation of 100 cases of abortion in sheep in Uruguay: 2015-2021 |
| dc.type.none.fl_str_mv | Artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
| description | The aim of this work was to identify causes of abortion through laboratory investigations in sheep flocks in Uruguay. One hundred cases of abortion, comprising 58 fetuses, 36 fetuses with their placentas, and 6 placentas were investigated in 2015-2021. Cases were subjected to gross and microscopic pathologic examinations, and microbiological and serological testing for the identification of causes of abortion, including protozoal, bacterial, and viral pathogens. An etiologic diagnosis was determined in 46 (46%) cases, including 33 (33%) cases caused by infectious pathogens, as determined by the detection of a pathogen along with the identification of fetoplacental lesions attributable to the detected pathogen. Twenty-seven cases (27%) were caused by Toxoplasma gondii, 5 (5%) by Campylobacter fetus subspecies fetus, and 1 (1%) by an unidentified species of Campylobacter. Fourteen cases (14%) had inflammatory and/or necrotizing fetoplacental lesions compatible with an infectious etiology. Although the cause for these lesions was not clearly identified, T. gondii was detected in 4 of these cases, opportunistic bacteria (Bacillus licheniformis, Streptococcus sp.) were isolated in 2 cases, and bovine viral diarrhea virus 1 subtype i (BVDV-1i) was detected in another. Campylobacter jejuni was identified in 1 (1%) severely autolyzed, mummified fetus. BVDV-2b was identified incidentally in one fetus with an etiologic diagnosis of toxoplasmosis. Microscopic agglutination test revealed antibodies against ≥1 Leptospira serovars in 15/63 (23.8%) fetuses; however, Leptospira was not identified by a combination of qPCR, culture, fluorescent antibody testing nor immunohistochemistry. Neospora caninum, Chlamydia abortus, Chlamydia pecorum, Coxiella burnetii and border disease virus were not detected in any of the analyzed cases. Death was attributed to dystocia in 13 (13%) fetuses delivered by 8 sheep, mostly from one highly prolific flock. Congenital malformations including inferior prognathism, a focal hepatic cyst, and enterohepatic agenesis were identified in one fetus each, the latter being the only one considered incompatible with postnatal life. Toxoplasmosis, campylobacteriosis and dystocia were the main identified causes of fetal losses. Despite the relatively low overall success rate in establishing an etiologic diagnosis, a systematic laboratory workup in cases of abortion is of value to identify their causes and enables zoonotic pathogens surveillance. |
| eu_rights_str_mv | openAccess |
| format | article |
| id | anni_ddea854215e022594a0b7d2413b03607 |
| identifier_str_mv | Dorsch, M, Francia, M, Tana, L, [y otros autores]. "Diagnostic investigation of 100 cases of abortion in sheep in Uruguay: 2015-2021". Frontiers in Veterinary Science. [en línea] 2022, 9: 904786. 20 h. DOI: 10.3389/fvets.2022.904786 2297-1769 10.3389/fvets.2022.904786 |
| instacron_str | Universidad de la República |
| institution | Universidad de la República |
| instname_str | Universidad de la República |
| language | eng |
| language_invalid_str_mv | en_US |
| network_acronym_str | anni |
| network_name_str | oai-lr-anni |
| oai_identifier_str | oai:colibri.udelar.edu.uy:20.500.12008/41048 |
| publishDate | 2022 |
| publishDateSort | 2022 |
| publisher.none.fl_str_mv | Frontiers Media |
| reponame_str | COLIBRI |
| repository.mail.fl_str_mv | |
| repository.name.fl_str_mv | |
| repository_id_str | |
| rights_invalid_str_mv | Licencia Creative Commons Atribución (CC - By 4.0) |
| spelling | Diagnostic investigation of 100 cases of abortion in sheep in Uruguay: 2015-2021Dorsch, Matías A.Francia, María EugeniaTana, Leandro R.González Ramírez, Fabiana CristinaCabrera Castro, Andrés M.Calleros Basilio, LucíaSanguinetti, MargaritaBarcellos Coitiño, Maila SabrinaZarantonelli, LeticiaCiuffo, CamilaMaya Soto, Leticia MaríaCastells Bauer, MatíasMirazo, Santiagoda Silva Silveira, CarolineRabaza, AnaCaffarena, Rubén DaríoDoncel Díaz, BenjamínAráoz, VirginiaMatto, CarolinaArmendano, Joaquín I.Salada, SofíaFraga Cotelo, MartínFierro, SergioGiannitti, FedericoSheepAbortionPathologyToxoplasmosisCampylobacteriosisDystociaReproductive lossesInfectious diseasesThe aim of this work was to identify causes of abortion through laboratory investigations in sheep flocks in Uruguay. One hundred cases of abortion, comprising 58 fetuses, 36 fetuses with their placentas, and 6 placentas were investigated in 2015-2021. Cases were subjected to gross and microscopic pathologic examinations, and microbiological and serological testing for the identification of causes of abortion, including protozoal, bacterial, and viral pathogens. An etiologic diagnosis was determined in 46 (46%) cases, including 33 (33%) cases caused by infectious pathogens, as determined by the detection of a pathogen along with the identification of fetoplacental lesions attributable to the detected pathogen. Twenty-seven cases (27%) were caused by Toxoplasma gondii, 5 (5%) by Campylobacter fetus subspecies fetus, and 1 (1%) by an unidentified species of Campylobacter. Fourteen cases (14%) had inflammatory and/or necrotizing fetoplacental lesions compatible with an infectious etiology. Although the cause for these lesions was not clearly identified, T. gondii was detected in 4 of these cases, opportunistic bacteria (Bacillus licheniformis, Streptococcus sp.) were isolated in 2 cases, and bovine viral diarrhea virus 1 subtype i (BVDV-1i) was detected in another. Campylobacter jejuni was identified in 1 (1%) severely autolyzed, mummified fetus. BVDV-2b was identified incidentally in one fetus with an etiologic diagnosis of toxoplasmosis. Microscopic agglutination test revealed antibodies against ≥1 Leptospira serovars in 15/63 (23.8%) fetuses; however, Leptospira was not identified by a combination of qPCR, culture, fluorescent antibody testing nor immunohistochemistry. Neospora caninum, Chlamydia abortus, Chlamydia pecorum, Coxiella burnetii and border disease virus were not detected in any of the analyzed cases. Death was attributed to dystocia in 13 (13%) fetuses delivered by 8 sheep, mostly from one highly prolific flock. Congenital malformations including inferior prognathism, a focal hepatic cyst, and enterohepatic agenesis were identified in one fetus each, the latter being the only one considered incompatible with postnatal life. Toxoplasmosis, campylobacteriosis and dystocia were the main identified causes of fetal losses. Despite the relatively low overall success rate in establishing an etiologic diagnosis, a systematic laboratory workup in cases of abortion is of value to identify their causes and enables zoonotic pathogens surveillance.INIA: PL_27 N-23398ANII: FCE_3_2018_1_148540ANII: FSA_1_2018_1_152689Frontiers MediaDorsch Matías A., INIAFrancia María Eugenia, Instituto Pasteur (Montevideo).Tana Leandro R., Instituto Pasteur (Montevideo).González Ramírez Fabiana Cristina, Instituto Pasteur (Montevideo).Cabrera Castro Andrés M., Instituto Pasteur (Montevideo).Calleros Basilio Lucía, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Biología.Sanguinetti Margarita, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Biología.Barcellos Coitiño Maila Sabrina, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Biología.Zarantonelli Leticia, UMPICiuffo Camila, UMPIMaya Soto Leticia María, Universidad de la República (Uruguay). CENUR Litoral Norte.Castells Bauer Matías, Universidad de la República (Uruguay). CENUR Litoral Norte.Mirazo Santiago, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Biología.da Silva Silveira Caroline, INIARabaza Ana, INIACaffarena Rubén Darío, INIADoncel Díaz Benjamín, INIAAráoz Virginia, INIAMatto Carolina, MGAPArmendano Joaquín I., , Universidad Nacional del Centro de la Provincia de Buenos AiresSalada Sofía, SULFraga Cotelo Martín, INIAFierro Sergio, SULGiannitti Federico, INIA2023-11-10T14:12:45Z2023-11-10T14:12:45Z2022Artículoinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersion20 h.application/pdfDorsch, M, Francia, M, Tana, L, [y otros autores]. "Diagnostic investigation of 100 cases of abortion in sheep in Uruguay: 2015-2021". Frontiers in Veterinary Science. [en línea] 2022, 9: 904786. 20 h. DOI: 10.3389/fvets.2022.9047862297-1769https://hdl.handle.net/20.500.12008/4104810.3389/fvets.2022.904786reponame:COLIBRIinstname:Universidad de la Repúblicainstacron:Universidad de la Repúblicaen_USengFrontiers in Veterinary Science, 2022, 9: 904786.Las obras depositadas en el Repositorio se rigen por la Ordenanza de los Derechos de la Propiedad Intelectual de la Universidad de la República.(Res. Nº 91 de C.D.C. de 8/III/1994 – D.O. 7/IV/1994) y por la Ordenanza del Repositorio Abierto de la Universidad de la República (Res. Nº 16 de C.D.C. de 07/10/2014)info:eu-repo/semantics/openAccessLicencia Creative Commons Atribución (CC - By 4.0)oai:colibri.udelar.edu.uy:20.500.12008/410482026-04-14T10:10:19Z |
| spellingShingle | Diagnostic investigation of 100 cases of abortion in sheep in Uruguay: 2015-2021 Dorsch, Matías A. Sheep Abortion Pathology Toxoplasmosis Campylobacteriosis Dystocia Reproductive losses Infectious diseases |
| status_str | publishedVersion |
| title | Diagnostic investigation of 100 cases of abortion in sheep in Uruguay: 2015-2021 |
| title_full | Diagnostic investigation of 100 cases of abortion in sheep in Uruguay: 2015-2021 |
| title_fullStr | Diagnostic investigation of 100 cases of abortion in sheep in Uruguay: 2015-2021 |
| title_full_unstemmed | Diagnostic investigation of 100 cases of abortion in sheep in Uruguay: 2015-2021 |
| title_short | Diagnostic investigation of 100 cases of abortion in sheep in Uruguay: 2015-2021 |
| title_sort | Diagnostic investigation of 100 cases of abortion in sheep in Uruguay: 2015-2021 |
| topic | Sheep Abortion Pathology Toxoplasmosis Campylobacteriosis Dystocia Reproductive losses Infectious diseases |
| url | https://hdl.handle.net/20.500.12008/41048 |