Vaccination of pigs with the S48 strain of Toxoplasma gondii – safer meat for human consumption

Autores
Burrels, Alison; Benavides-Silván, Julio; Canton, German Jose; Garcia, João L.; Bartley, Paul M.; Nath, Mintu; Thomson, Jackie; Chianini, Francesca; Innes, Elisabeth A.; Katze, Frank
Año de publicación
2015
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
As clinical toxoplasmosis is not considered a problem in pigs, the main reason to implement a control strategy against Toxoplasma gondii (T. gondii) in this species is to reduce the establishment of T. gondii tissue cysts in pork, consequently reducing the risk of the parasite entering the human food chain. Consumption of T. gondii tissue cysts from raw or undercooked meat is one of the main sources of human infection, with infected pork being considered a high risk. This study incorporates a mouse bioassay with molecular detection of T. gondii DNA to study the effectiveness of vaccination (incomplete S48 strain) in its ability to reduce tissue cyst burden in pigs, following oocyst (M4 strain) challenge. Results from the mouse bioassay show that 100% of mice which had received porcine tissues from vaccinated and challenged pigs survived compared with 51.1% of mice which received tissues from non-vaccinated and challenged pigs. The presence (or absence) of T. gondii DNA from individual mouse brains also confirmed these results. This indicates a reduction in viable T. gondii tissue cysts within tissues from pigs which have been previously vaccinated with the S48 strain. In addition, the study demonstrated that the main predilection sites for the parasite were found to be brain and highly vascular muscles (such as tongue, diaphragm, heart and masseter) of pigs, while meat cuts used as human food such as chop, loin, left tricep and left semitendinosus, had a lower burden of T. gondii tissue cysts. These promising results highlight the potential of S48 strain tachyzoites for reducing the number of T. gondii tissues cysts in pork and thus improving food safety
Fil: Burrels, Alison. Moredun Research Institute. Pentlands Science Park; Reino Unido
Fil: Benavides-Silván, Julio. Moredun Research Institute. Pentlands Science Park; Reino Unido. Instituto de Ganadería de Montaña; España
Fil: Canton, German José. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina. Moredun Research Institute. Pentlands Science Park; Reino Unido
Fil: Garcia, João L. Moredun Research Institute. Pentlands Science Park; Reino Unido. Universidade Estadual de Londrina. Departamento de Medicina Veterinária Preventiva; Brasil
Fil: Bartley, Paul M. Moredun Research Institute. Pentlands Science Park; Reino Unido
Fil: Nath, Mintu. Biomathematics & Statistics Scotland; Reino Unido
Fil: Thomson, Jackie. Moredun Research Institute. Pentlands Science Park; Reino Unido
Fil: Chianini, Francesca. Moredun Research Institute. Pentlands Science Park; Reino Unido
Fil: Innes, Elisabeth A. Moredun Research Institute. Pentlands Science Park; Reino Unido
Fil: Katze, Frank. Moredun Research Institute. Pentlands Science Park; Reino Unido
Fuente
Veterinary research 46 (1) : 1-12. (2015)
Materia
Vacunación
Vaccination
Swine
Animal Diseases
Pork
Cerdo
Toxoplasma Gondii
Enfermedades de los Animales
Carne de Cerdo
S48 Strain
Cepa S48
Nivel de accesibilidad
acceso abierto
Condiciones de uso
http://creativecommons.org/licenses/by-nc-sa/4.0/
Repositorio
INTA Digital (INTA)
Institución
Instituto Nacional de Tecnología Agropecuaria
OAI Identificador
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oai_identifier_str oai:localhost:20.500.12123/1151
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network_name_str INTA Digital (INTA)
spelling Vaccination of pigs with the S48 strain of Toxoplasma gondii – safer meat for human consumptionBurrels, AlisonBenavides-Silván, JulioCanton, German JoseGarcia, João L.Bartley, Paul M.Nath, MintuThomson, JackieChianini, FrancescaInnes, Elisabeth A.Katze, FrankVacunaciónVaccinationSwineAnimal DiseasesPorkCerdoToxoplasma GondiiEnfermedades de los AnimalesCarne de CerdoS48 StrainCepa S48As clinical toxoplasmosis is not considered a problem in pigs, the main reason to implement a control strategy against Toxoplasma gondii (T. gondii) in this species is to reduce the establishment of T. gondii tissue cysts in pork, consequently reducing the risk of the parasite entering the human food chain. Consumption of T. gondii tissue cysts from raw or undercooked meat is one of the main sources of human infection, with infected pork being considered a high risk. This study incorporates a mouse bioassay with molecular detection of T. gondii DNA to study the effectiveness of vaccination (incomplete S48 strain) in its ability to reduce tissue cyst burden in pigs, following oocyst (M4 strain) challenge. Results from the mouse bioassay show that 100% of mice which had received porcine tissues from vaccinated and challenged pigs survived compared with 51.1% of mice which received tissues from non-vaccinated and challenged pigs. The presence (or absence) of T. gondii DNA from individual mouse brains also confirmed these results. This indicates a reduction in viable T. gondii tissue cysts within tissues from pigs which have been previously vaccinated with the S48 strain. In addition, the study demonstrated that the main predilection sites for the parasite were found to be brain and highly vascular muscles (such as tongue, diaphragm, heart and masseter) of pigs, while meat cuts used as human food such as chop, loin, left tricep and left semitendinosus, had a lower burden of T. gondii tissue cysts. These promising results highlight the potential of S48 strain tachyzoites for reducing the number of T. gondii tissues cysts in pork and thus improving food safetyFil: Burrels, Alison. Moredun Research Institute. Pentlands Science Park; Reino UnidoFil: Benavides-Silván, Julio. Moredun Research Institute. Pentlands Science Park; Reino Unido. Instituto de Ganadería de Montaña; EspañaFil: Canton, German José. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina. Moredun Research Institute. Pentlands Science Park; Reino UnidoFil: Garcia, João L. Moredun Research Institute. Pentlands Science Park; Reino Unido. Universidade Estadual de Londrina. Departamento de Medicina Veterinária Preventiva; BrasilFil: Bartley, Paul M. Moredun Research Institute. Pentlands Science Park; Reino UnidoFil: Nath, Mintu. Biomathematics & Statistics Scotland; Reino UnidoFil: Thomson, Jackie. Moredun Research Institute. Pentlands Science Park; Reino UnidoFil: Chianini, Francesca. Moredun Research Institute. Pentlands Science Park; Reino UnidoFil: Innes, Elisabeth A. Moredun Research Institute. Pentlands Science Park; Reino UnidoFil: Katze, Frank. Moredun Research Institute. Pentlands Science Park; Reino Unido2017-09-06T15:05:29Z2017-09-06T15:05:29Z2015info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfhttp://hdl.handle.net/20.500.12123/1151https://veterinaryresearch.biomedcentral.com/articles/10.1186/s13567-015-0177-01297-9716https://doi.org/10.1186/s13567-015-0177-0Veterinary research 46 (1) : 1-12. (2015)reponame:INTA Digital (INTA)instname:Instituto Nacional de Tecnología Agropecuariaenginfo:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by-nc-sa/4.0/Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)2025-09-04T09:46:59Zoai:localhost:20.500.12123/1151instacron:INTAInstitucionalhttp://repositorio.inta.gob.ar/Organismo científico-tecnológicoNo correspondehttp://repositorio.inta.gob.ar/oai/requesttripaldi.nicolas@inta.gob.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:l2025-09-04 09:47:00.442INTA Digital (INTA) - Instituto Nacional de Tecnología Agropecuariafalse
dc.title.none.fl_str_mv Vaccination of pigs with the S48 strain of Toxoplasma gondii – safer meat for human consumption
title Vaccination of pigs with the S48 strain of Toxoplasma gondii – safer meat for human consumption
spellingShingle Vaccination of pigs with the S48 strain of Toxoplasma gondii – safer meat for human consumption
Burrels, Alison
Vacunación
Vaccination
Swine
Animal Diseases
Pork
Cerdo
Toxoplasma Gondii
Enfermedades de los Animales
Carne de Cerdo
S48 Strain
Cepa S48
title_short Vaccination of pigs with the S48 strain of Toxoplasma gondii – safer meat for human consumption
title_full Vaccination of pigs with the S48 strain of Toxoplasma gondii – safer meat for human consumption
title_fullStr Vaccination of pigs with the S48 strain of Toxoplasma gondii – safer meat for human consumption
title_full_unstemmed Vaccination of pigs with the S48 strain of Toxoplasma gondii – safer meat for human consumption
title_sort Vaccination of pigs with the S48 strain of Toxoplasma gondii – safer meat for human consumption
dc.creator.none.fl_str_mv Burrels, Alison
Benavides-Silván, Julio
Canton, German Jose
Garcia, João L.
Bartley, Paul M.
Nath, Mintu
Thomson, Jackie
Chianini, Francesca
Innes, Elisabeth A.
Katze, Frank
author Burrels, Alison
author_facet Burrels, Alison
Benavides-Silván, Julio
Canton, German Jose
Garcia, João L.
Bartley, Paul M.
Nath, Mintu
Thomson, Jackie
Chianini, Francesca
Innes, Elisabeth A.
Katze, Frank
author_role author
author2 Benavides-Silván, Julio
Canton, German Jose
Garcia, João L.
Bartley, Paul M.
Nath, Mintu
Thomson, Jackie
Chianini, Francesca
Innes, Elisabeth A.
Katze, Frank
author2_role author
author
author
author
author
author
author
author
author
dc.subject.none.fl_str_mv Vacunación
Vaccination
Swine
Animal Diseases
Pork
Cerdo
Toxoplasma Gondii
Enfermedades de los Animales
Carne de Cerdo
S48 Strain
Cepa S48
topic Vacunación
Vaccination
Swine
Animal Diseases
Pork
Cerdo
Toxoplasma Gondii
Enfermedades de los Animales
Carne de Cerdo
S48 Strain
Cepa S48
dc.description.none.fl_txt_mv As clinical toxoplasmosis is not considered a problem in pigs, the main reason to implement a control strategy against Toxoplasma gondii (T. gondii) in this species is to reduce the establishment of T. gondii tissue cysts in pork, consequently reducing the risk of the parasite entering the human food chain. Consumption of T. gondii tissue cysts from raw or undercooked meat is one of the main sources of human infection, with infected pork being considered a high risk. This study incorporates a mouse bioassay with molecular detection of T. gondii DNA to study the effectiveness of vaccination (incomplete S48 strain) in its ability to reduce tissue cyst burden in pigs, following oocyst (M4 strain) challenge. Results from the mouse bioassay show that 100% of mice which had received porcine tissues from vaccinated and challenged pigs survived compared with 51.1% of mice which received tissues from non-vaccinated and challenged pigs. The presence (or absence) of T. gondii DNA from individual mouse brains also confirmed these results. This indicates a reduction in viable T. gondii tissue cysts within tissues from pigs which have been previously vaccinated with the S48 strain. In addition, the study demonstrated that the main predilection sites for the parasite were found to be brain and highly vascular muscles (such as tongue, diaphragm, heart and masseter) of pigs, while meat cuts used as human food such as chop, loin, left tricep and left semitendinosus, had a lower burden of T. gondii tissue cysts. These promising results highlight the potential of S48 strain tachyzoites for reducing the number of T. gondii tissues cysts in pork and thus improving food safety
Fil: Burrels, Alison. Moredun Research Institute. Pentlands Science Park; Reino Unido
Fil: Benavides-Silván, Julio. Moredun Research Institute. Pentlands Science Park; Reino Unido. Instituto de Ganadería de Montaña; España
Fil: Canton, German José. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina. Moredun Research Institute. Pentlands Science Park; Reino Unido
Fil: Garcia, João L. Moredun Research Institute. Pentlands Science Park; Reino Unido. Universidade Estadual de Londrina. Departamento de Medicina Veterinária Preventiva; Brasil
Fil: Bartley, Paul M. Moredun Research Institute. Pentlands Science Park; Reino Unido
Fil: Nath, Mintu. Biomathematics & Statistics Scotland; Reino Unido
Fil: Thomson, Jackie. Moredun Research Institute. Pentlands Science Park; Reino Unido
Fil: Chianini, Francesca. Moredun Research Institute. Pentlands Science Park; Reino Unido
Fil: Innes, Elisabeth A. Moredun Research Institute. Pentlands Science Park; Reino Unido
Fil: Katze, Frank. Moredun Research Institute. Pentlands Science Park; Reino Unido
description As clinical toxoplasmosis is not considered a problem in pigs, the main reason to implement a control strategy against Toxoplasma gondii (T. gondii) in this species is to reduce the establishment of T. gondii tissue cysts in pork, consequently reducing the risk of the parasite entering the human food chain. Consumption of T. gondii tissue cysts from raw or undercooked meat is one of the main sources of human infection, with infected pork being considered a high risk. This study incorporates a mouse bioassay with molecular detection of T. gondii DNA to study the effectiveness of vaccination (incomplete S48 strain) in its ability to reduce tissue cyst burden in pigs, following oocyst (M4 strain) challenge. Results from the mouse bioassay show that 100% of mice which had received porcine tissues from vaccinated and challenged pigs survived compared with 51.1% of mice which received tissues from non-vaccinated and challenged pigs. The presence (or absence) of T. gondii DNA from individual mouse brains also confirmed these results. This indicates a reduction in viable T. gondii tissue cysts within tissues from pigs which have been previously vaccinated with the S48 strain. In addition, the study demonstrated that the main predilection sites for the parasite were found to be brain and highly vascular muscles (such as tongue, diaphragm, heart and masseter) of pigs, while meat cuts used as human food such as chop, loin, left tricep and left semitendinosus, had a lower burden of T. gondii tissue cysts. These promising results highlight the potential of S48 strain tachyzoites for reducing the number of T. gondii tissues cysts in pork and thus improving food safety
publishDate 2015
dc.date.none.fl_str_mv 2015
2017-09-06T15:05:29Z
2017-09-06T15:05:29Z
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 http://hdl.handle.net/20.500.12123/1151
https://veterinaryresearch.biomedcentral.com/articles/10.1186/s13567-015-0177-0
1297-9716
https://doi.org/10.1186/s13567-015-0177-0
url http://hdl.handle.net/20.500.12123/1151
https://veterinaryresearch.biomedcentral.com/articles/10.1186/s13567-015-0177-0
https://doi.org/10.1186/s13567-015-0177-0
identifier_str_mv 1297-9716
dc.language.none.fl_str_mv eng
language eng
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by-nc-sa/4.0/
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
eu_rights_str_mv openAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by-nc-sa/4.0/
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv Veterinary research 46 (1) : 1-12. (2015)
reponame:INTA Digital (INTA)
instname:Instituto Nacional de Tecnología Agropecuaria
reponame_str INTA Digital (INTA)
collection INTA Digital (INTA)
instname_str Instituto Nacional de Tecnología Agropecuaria
repository.name.fl_str_mv INTA Digital (INTA) - Instituto Nacional de Tecnología Agropecuaria
repository.mail.fl_str_mv tripaldi.nicolas@inta.gob.ar
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