Prevalence of Toxoplasma gondii in Canadian market-age pigs
During 1991 and 1992, 2,800 market-age pigs were sampled at federally inspected abattoirs from across Canada. Anti-Toxoplasma gondii IgG at titers of ≥1:32 were found in 240 pigs examined by a commercial, latex agglutination test. Seroprevalences ranged from 3.5 to 13.2% in the different regions of...
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| Veröffentlicht in: | The Journal of parasitology 1998-08, Vol.84 (4), p.759-763 |
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| container_title | The Journal of parasitology |
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| creator | Gajadhar, A.A. (Canadian Food and Inspection Agency, Saskatoon, Saskatchewan, Canada.) Aramini, J.J Tiffin, G Bisaillon, J.R |
| description | During 1991 and 1992, 2,800 market-age pigs were sampled at federally inspected abattoirs from across Canada. Anti-Toxoplasma gondii IgG at titers of ≥1:32 were found in 240 pigs examined by a commercial, latex agglutination test. Seroprevalences ranged from 3.5 to 13.2% in the different regions of the country. Tissue hybridization studies using a previously developed probe demonstrated T. gondii ribosomal RNA in 9 of 36 animals, whereas mouse bioassay testing of heart muscle and diaphragm from all 2,800 pigs failed to demonstrate the presence of infective stages of T. gondii in tissues. Although serology results from this study indicated that Canadian market-age pigs are infected with T. gondii at rates similar to those reported from other parts of North America, mouse bioassay results suggested that Canadian pork products contain low levels of infective organisms. This apparent discrepancy suggests that serological evidence of T. gondii infection in pigs alone does not accurately assess the public health risks associated with consuming improperly cooked pork products. |
| doi_str_mv | 10.2307/3284584 |
| format | Article |
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(Canadian Food and Inspection Agency, Saskatoon, Saskatchewan, Canada.) ; Aramini, J.J ; Tiffin, G ; Bisaillon, J.R</creator><creatorcontrib>Gajadhar, A.A. (Canadian Food and Inspection Agency, Saskatoon, Saskatchewan, Canada.) ; Aramini, J.J ; Tiffin, G ; Bisaillon, J.R</creatorcontrib><description>During 1991 and 1992, 2,800 market-age pigs were sampled at federally inspected abattoirs from across Canada. Anti-Toxoplasma gondii IgG at titers of ≥1:32 were found in 240 pigs examined by a commercial, latex agglutination test. Seroprevalences ranged from 3.5 to 13.2% in the different regions of the country. Tissue hybridization studies using a previously developed probe demonstrated T. gondii ribosomal RNA in 9 of 36 animals, whereas mouse bioassay testing of heart muscle and diaphragm from all 2,800 pigs failed to demonstrate the presence of infective stages of T. gondii in tissues. Although serology results from this study indicated that Canadian market-age pigs are infected with T. gondii at rates similar to those reported from other parts of North America, mouse bioassay results suggested that Canadian pork products contain low levels of infective organisms. This apparent discrepancy suggests that serological evidence of T. gondii infection in pigs alone does not accurately assess the public health risks associated with consuming improperly cooked pork products.</description><identifier>ISSN: 0022-3395</identifier><identifier>EISSN: 1937-2345</identifier><identifier>DOI: 10.2307/3284584</identifier><identifier>PMID: 9714207</identifier><identifier>CODEN: JOPAA2</identifier><language>eng</language><publisher>Lawrence, KS: American Society of Parasitologists</publisher><subject>Abattoirs ; Animal protozoal diseases ; Animals ; Antibodies, Protozoan - blood ; ARN RIBOSOMAL ; ARN RIBOSOMIAL ; Bioassay ; Biological and medical sciences ; Biological Assay - veterinary ; CANADA ; Canada - epidemiology ; CARNE DE CERDO ; Cats ; CERDO ; Cysts ; Diaphragm - parasitology ; Heart - parasitology ; Humans ; Immunoglobulin G - blood ; Immunology ; Infections ; Infectious diseases ; Latex Fixation Tests - veterinary ; Medical sciences ; Mice ; MORBIDITE ; MORBIDITY ; MORBOSIDAD ; Myocardium ; Parasitic diseases ; Parasitology ; PORCIN ; PORK ; Prevalence ; Protozoal diseases ; PUBLIC HEALTH ; RIBOSOMAL RNA ; RIESGO ; RISK ; RISK ASSESSMENT ; RISQUE ; RNA ; RNA, Protozoan - analysis ; SALUD PUBLICA ; SANTE PUBLIQUE ; SEROPREVALENCE ; SWINE ; Swine Diseases - epidemiology ; Toxoplasma - genetics ; Toxoplasma - immunology ; Toxoplasma - isolation & purification ; TOXOPLASMA GONDII ; Toxoplasmosis ; Toxoplasmosis, Animal - epidemiology ; Veterinary medicine ; VIANDE PORCINE</subject><ispartof>The Journal of parasitology, 1998-08, Vol.84 (4), p.759-763</ispartof><rights>Copyright 1998 American Society of Parasitologists</rights><rights>1998 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c356t-ce5054523d72d9ef16dd1113ed63156351d704b17ac28eb1b8113069328fd2b43</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/3284584$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/3284584$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,780,784,803,27924,27925,58017,58250</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=2424203$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/9714207$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Gajadhar, A.A. (Canadian Food and Inspection Agency, Saskatoon, Saskatchewan, Canada.)</creatorcontrib><creatorcontrib>Aramini, J.J</creatorcontrib><creatorcontrib>Tiffin, G</creatorcontrib><creatorcontrib>Bisaillon, J.R</creatorcontrib><title>Prevalence of Toxoplasma gondii in Canadian market-age pigs</title><title>The Journal of parasitology</title><addtitle>J Parasitol</addtitle><description>During 1991 and 1992, 2,800 market-age pigs were sampled at federally inspected abattoirs from across Canada. Anti-Toxoplasma gondii IgG at titers of ≥1:32 were found in 240 pigs examined by a commercial, latex agglutination test. Seroprevalences ranged from 3.5 to 13.2% in the different regions of the country. Tissue hybridization studies using a previously developed probe demonstrated T. gondii ribosomal RNA in 9 of 36 animals, whereas mouse bioassay testing of heart muscle and diaphragm from all 2,800 pigs failed to demonstrate the presence of infective stages of T. gondii in tissues. Although serology results from this study indicated that Canadian market-age pigs are infected with T. gondii at rates similar to those reported from other parts of North America, mouse bioassay results suggested that Canadian pork products contain low levels of infective organisms. This apparent discrepancy suggests that serological evidence of T. gondii infection in pigs alone does not accurately assess the public health risks associated with consuming improperly cooked pork products.</description><subject>Abattoirs</subject><subject>Animal protozoal diseases</subject><subject>Animals</subject><subject>Antibodies, Protozoan - blood</subject><subject>ARN RIBOSOMAL</subject><subject>ARN RIBOSOMIAL</subject><subject>Bioassay</subject><subject>Biological and medical sciences</subject><subject>Biological Assay - veterinary</subject><subject>CANADA</subject><subject>Canada - epidemiology</subject><subject>CARNE DE CERDO</subject><subject>Cats</subject><subject>CERDO</subject><subject>Cysts</subject><subject>Diaphragm - parasitology</subject><subject>Heart - parasitology</subject><subject>Humans</subject><subject>Immunoglobulin G - blood</subject><subject>Immunology</subject><subject>Infections</subject><subject>Infectious diseases</subject><subject>Latex Fixation Tests - veterinary</subject><subject>Medical sciences</subject><subject>Mice</subject><subject>MORBIDITE</subject><subject>MORBIDITY</subject><subject>MORBOSIDAD</subject><subject>Myocardium</subject><subject>Parasitic diseases</subject><subject>Parasitology</subject><subject>PORCIN</subject><subject>PORK</subject><subject>Prevalence</subject><subject>Protozoal diseases</subject><subject>PUBLIC HEALTH</subject><subject>RIBOSOMAL RNA</subject><subject>RIESGO</subject><subject>RISK</subject><subject>RISK ASSESSMENT</subject><subject>RISQUE</subject><subject>RNA</subject><subject>RNA, Protozoan - analysis</subject><subject>SALUD PUBLICA</subject><subject>SANTE PUBLIQUE</subject><subject>SEROPREVALENCE</subject><subject>SWINE</subject><subject>Swine Diseases - epidemiology</subject><subject>Toxoplasma - genetics</subject><subject>Toxoplasma - immunology</subject><subject>Toxoplasma - isolation & purification</subject><subject>TOXOPLASMA GONDII</subject><subject>Toxoplasmosis</subject><subject>Toxoplasmosis, Animal - epidemiology</subject><subject>Veterinary medicine</subject><subject>VIANDE PORCINE</subject><issn>0022-3395</issn><issn>1937-2345</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1998</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkFtLxDAQhYMo63rBXyD0QfSpmmvT4JMs3mBBwd3nMk3S0rVt1qQr-u-NbFkfZRjm4XycmTkInRF8TRmWN4zmXOR8D02JYjKljIt9NMWY0pQxJQ7RUQgrjLGIPUETJQmnWE7R7au3n9DaXtvEVcnCfbl1C6GDpHa9aZqk6ZMZ9GAa6JMO_LsdUqhtsm7qcIIOKmiDPR3nMVo-3C9mT-n85fF5djdPNRPZkGorsOCCMiOpUbYimTGEEGZNxojImCBGYl4SCZrmtiRlHkWcqfhSZWjJ2TG63PquvfvY2DAUXRO0bVvorduEQrJcMElEBK-2oPYuBG-rYu2bePR3QXDxG1MxxhTJ89FyU3bW7Lgxl6hfjDoEDW3loddN2GGUx8LsD1uFwfn_t1XgCqh9dFq-EaUUJjEZzH4A4EF_vg</recordid><startdate>19980801</startdate><enddate>19980801</enddate><creator>Gajadhar, A.A. (Canadian Food and Inspection Agency, Saskatoon, Saskatchewan, Canada.)</creator><creator>Aramini, J.J</creator><creator>Tiffin, G</creator><creator>Bisaillon, J.R</creator><general>American Society of Parasitologists</general><scope>FBQ</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>19980801</creationdate><title>Prevalence of Toxoplasma gondii in Canadian market-age pigs</title><author>Gajadhar, A.A. (Canadian Food and Inspection Agency, Saskatoon, Saskatchewan, Canada.) ; Aramini, J.J ; Tiffin, G ; Bisaillon, J.R</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c356t-ce5054523d72d9ef16dd1113ed63156351d704b17ac28eb1b8113069328fd2b43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1998</creationdate><topic>Abattoirs</topic><topic>Animal protozoal diseases</topic><topic>Animals</topic><topic>Antibodies, Protozoan - blood</topic><topic>ARN RIBOSOMAL</topic><topic>ARN RIBOSOMIAL</topic><topic>Bioassay</topic><topic>Biological and medical sciences</topic><topic>Biological Assay - veterinary</topic><topic>CANADA</topic><topic>Canada - epidemiology</topic><topic>CARNE DE CERDO</topic><topic>Cats</topic><topic>CERDO</topic><topic>Cysts</topic><topic>Diaphragm - parasitology</topic><topic>Heart - parasitology</topic><topic>Humans</topic><topic>Immunoglobulin G - blood</topic><topic>Immunology</topic><topic>Infections</topic><topic>Infectious diseases</topic><topic>Latex Fixation Tests - veterinary</topic><topic>Medical sciences</topic><topic>Mice</topic><topic>MORBIDITE</topic><topic>MORBIDITY</topic><topic>MORBOSIDAD</topic><topic>Myocardium</topic><topic>Parasitic diseases</topic><topic>Parasitology</topic><topic>PORCIN</topic><topic>PORK</topic><topic>Prevalence</topic><topic>Protozoal diseases</topic><topic>PUBLIC HEALTH</topic><topic>RIBOSOMAL RNA</topic><topic>RIESGO</topic><topic>RISK</topic><topic>RISK ASSESSMENT</topic><topic>RISQUE</topic><topic>RNA</topic><topic>RNA, Protozoan - analysis</topic><topic>SALUD PUBLICA</topic><topic>SANTE PUBLIQUE</topic><topic>SEROPREVALENCE</topic><topic>SWINE</topic><topic>Swine Diseases - epidemiology</topic><topic>Toxoplasma - genetics</topic><topic>Toxoplasma - immunology</topic><topic>Toxoplasma - isolation & purification</topic><topic>TOXOPLASMA GONDII</topic><topic>Toxoplasmosis</topic><topic>Toxoplasmosis, Animal - epidemiology</topic><topic>Veterinary medicine</topic><topic>VIANDE PORCINE</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gajadhar, A.A. (Canadian Food and Inspection Agency, Saskatoon, Saskatchewan, Canada.)</creatorcontrib><creatorcontrib>Aramini, J.J</creatorcontrib><creatorcontrib>Tiffin, G</creatorcontrib><creatorcontrib>Bisaillon, J.R</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>The Journal of parasitology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gajadhar, A.A. (Canadian Food and Inspection Agency, Saskatoon, Saskatchewan, Canada.)</au><au>Aramini, J.J</au><au>Tiffin, G</au><au>Bisaillon, J.R</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Prevalence of Toxoplasma gondii in Canadian market-age pigs</atitle><jtitle>The Journal of parasitology</jtitle><addtitle>J Parasitol</addtitle><date>1998-08-01</date><risdate>1998</risdate><volume>84</volume><issue>4</issue><spage>759</spage><epage>763</epage><pages>759-763</pages><issn>0022-3395</issn><eissn>1937-2345</eissn><coden>JOPAA2</coden><abstract>During 1991 and 1992, 2,800 market-age pigs were sampled at federally inspected abattoirs from across Canada. Anti-Toxoplasma gondii IgG at titers of ≥1:32 were found in 240 pigs examined by a commercial, latex agglutination test. Seroprevalences ranged from 3.5 to 13.2% in the different regions of the country. Tissue hybridization studies using a previously developed probe demonstrated T. gondii ribosomal RNA in 9 of 36 animals, whereas mouse bioassay testing of heart muscle and diaphragm from all 2,800 pigs failed to demonstrate the presence of infective stages of T. gondii in tissues. Although serology results from this study indicated that Canadian market-age pigs are infected with T. gondii at rates similar to those reported from other parts of North America, mouse bioassay results suggested that Canadian pork products contain low levels of infective organisms. This apparent discrepancy suggests that serological evidence of T. gondii infection in pigs alone does not accurately assess the public health risks associated with consuming improperly cooked pork products.</abstract><cop>Lawrence, KS</cop><pub>American Society of Parasitologists</pub><pmid>9714207</pmid><doi>10.2307/3284584</doi><tpages>5</tpages></addata></record> |
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| ispartof | The Journal of parasitology, 1998-08, Vol.84 (4), p.759-763 |
| issn | 0022-3395 1937-2345 |
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| subjects | Abattoirs Animal protozoal diseases Animals Antibodies, Protozoan - blood ARN RIBOSOMAL ARN RIBOSOMIAL Bioassay Biological and medical sciences Biological Assay - veterinary CANADA Canada - epidemiology CARNE DE CERDO Cats CERDO Cysts Diaphragm - parasitology Heart - parasitology Humans Immunoglobulin G - blood Immunology Infections Infectious diseases Latex Fixation Tests - veterinary Medical sciences Mice MORBIDITE MORBIDITY MORBOSIDAD Myocardium Parasitic diseases Parasitology PORCIN PORK Prevalence Protozoal diseases PUBLIC HEALTH RIBOSOMAL RNA RIESGO RISK RISK ASSESSMENT RISQUE RNA RNA, Protozoan - analysis SALUD PUBLICA SANTE PUBLIQUE SEROPREVALENCE SWINE Swine Diseases - epidemiology Toxoplasma - genetics Toxoplasma - immunology Toxoplasma - isolation & purification TOXOPLASMA GONDII Toxoplasmosis Toxoplasmosis, Animal - epidemiology Veterinary medicine VIANDE PORCINE |
| title | Prevalence of Toxoplasma gondii in Canadian market-age pigs |
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