Microbiological Evaluation of Pork and Chicken By-Products in South Korea
In this study, we aimed to evaluate the microbiological risk of pork and chicken by-products by enumerating indicator bacteria (total aerobic bacteria, coliforms, and Escherichia coli) and identifying pathogens such as Campylobacter and Salmonella. The antibiotic resistance of pathogenic isolates wa...
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| Veröffentlicht in: | Journal of food protection 2016-05, Vol.79 (5), p.715-722 |
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| creator | Chon, Jung-Whan Jung, Hae-In Kuk, Min Lim, Jong-Soo Seo, Kun-Ho Kim, Soo-Ki |
| description | In this study, we aimed to evaluate the microbiological risk of pork and chicken by-products by enumerating indicator bacteria (total aerobic bacteria, coliforms, and Escherichia coli) and identifying pathogens such as Campylobacter and Salmonella. The antibiotic resistance of pathogenic isolates was determined, and molecular subtyping was performed using automated repetitive sequence-based PCR (rep-PCR). Pork and chicken by-products were collected from 10 processing plants. The mean numbers of total aerobic bacteria, coliforms, and E. coli from 95 pork by-product samples and 64 chicken by-product samples were 5.1, 3.6, and 2.4 log CFU/g and 4.5, 3.0, and 1.8 log CFU/g, respectively. The numbers of indicator bacteria in the gastrointestinal tract (small intestine, large intestine, and gizzard) were significantly higher than those in other organs. Salmonella and Campylobacter species were detected in 3 and 5 of 95 pork by-product samples and in 6 and 3 of 64 chicken by-product samples, respectively. Four of 9 Salmonella isolates examined were resistant to eight antibiotics, and each of these resistant strains produced an extended-spectrum β-lactamase. Most Campylobacter isolates were resistant to tetracycline (7 of 8 strains) and quinolones (7 of 8 strains). The similarity in rep-PCR patterns among Salmonella isolates was more closely associated with serotype than with the processing plant and type of meat. Conversely, the rep-PCR patterns of Campylobacter isolates were specific to the processing plant. Our findings could help agencies develop regulations for protection from foodborne bacterial infections arising from animal by-products. |
| doi_str_mv | 10.4315/0362-028X.JFP-15-395 |
| format | Article |
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The antibiotic resistance of pathogenic isolates was determined, and molecular subtyping was performed using automated repetitive sequence-based PCR (rep-PCR). Pork and chicken by-products were collected from 10 processing plants. The mean numbers of total aerobic bacteria, coliforms, and E. coli from 95 pork by-product samples and 64 chicken by-product samples were 5.1, 3.6, and 2.4 log CFU/g and 4.5, 3.0, and 1.8 log CFU/g, respectively. The numbers of indicator bacteria in the gastrointestinal tract (small intestine, large intestine, and gizzard) were significantly higher than those in other organs. Salmonella and Campylobacter species were detected in 3 and 5 of 95 pork by-product samples and in 6 and 3 of 64 chicken by-product samples, respectively. Four of 9 Salmonella isolates examined were resistant to eight antibiotics, and each of these resistant strains produced an extended-spectrum β-lactamase. Most Campylobacter isolates were resistant to tetracycline (7 of 8 strains) and quinolones (7 of 8 strains). The similarity in rep-PCR patterns among Salmonella isolates was more closely associated with serotype than with the processing plant and type of meat. Conversely, the rep-PCR patterns of Campylobacter isolates were specific to the processing plant. Our findings could help agencies develop regulations for protection from foodborne bacterial infections arising from animal by-products.</description><identifier>ISSN: 0362-028X</identifier><identifier>EISSN: 1944-9097</identifier><identifier>DOI: 10.4315/0362-028X.JFP-15-395</identifier><identifier>PMID: 27296417</identifier><language>eng</language><publisher>United States: Elsevier Limited</publisher><subject>Aerobic bacteria ; Animals ; Anti-Bacterial Agents - pharmacology ; Antibiotic resistance ; Antibiotics ; Automation ; Bacteria ; Bacterial diseases ; Bacterial infections ; By products ; Byproducts ; Campylobacter ; Chickens ; Chickens - microbiology ; Drug resistance ; Drug Resistance, Bacterial - drug effects ; E coli ; Escherichia coli - isolation & purification ; Feeds ; Food ; Food Contamination ; Food safety ; Foodborne diseases ; Gastrointestinal tract ; Meat - microbiology ; Pathogens ; Pork ; Poultry ; Red Meat ; Republic of Korea ; Salmonella ; Salmonella - isolation & purification ; Studies ; Swine</subject><ispartof>Journal of food protection, 2016-05, Vol.79 (5), p.715-722</ispartof><rights>Copyright Allen Press Publishing Services May 2016</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c381t-8877d12dfbcec9a2829ee85b2e3d5582bfa462400d30414b00318880640ccce93</citedby><cites>FETCH-LOGICAL-c381t-8877d12dfbcec9a2829ee85b2e3d5582bfa462400d30414b00318880640ccce93</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.proquest.com/docview/1787815012?pq-origsite=primo$$EHTML$$P50$$Gproquest$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,64385,64389,72469</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/27296417$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Chon, Jung-Whan</creatorcontrib><creatorcontrib>Jung, Hae-In</creatorcontrib><creatorcontrib>Kuk, Min</creatorcontrib><creatorcontrib>Lim, Jong-Soo</creatorcontrib><creatorcontrib>Seo, Kun-Ho</creatorcontrib><creatorcontrib>Kim, Soo-Ki</creatorcontrib><title>Microbiological Evaluation of Pork and Chicken By-Products in South Korea</title><title>Journal of food protection</title><addtitle>J Food Prot</addtitle><description>In this study, we aimed to evaluate the microbiological risk of pork and chicken by-products by enumerating indicator bacteria (total aerobic bacteria, coliforms, and Escherichia coli) and identifying pathogens such as Campylobacter and Salmonella. The antibiotic resistance of pathogenic isolates was determined, and molecular subtyping was performed using automated repetitive sequence-based PCR (rep-PCR). Pork and chicken by-products were collected from 10 processing plants. The mean numbers of total aerobic bacteria, coliforms, and E. coli from 95 pork by-product samples and 64 chicken by-product samples were 5.1, 3.6, and 2.4 log CFU/g and 4.5, 3.0, and 1.8 log CFU/g, respectively. The numbers of indicator bacteria in the gastrointestinal tract (small intestine, large intestine, and gizzard) were significantly higher than those in other organs. Salmonella and Campylobacter species were detected in 3 and 5 of 95 pork by-product samples and in 6 and 3 of 64 chicken by-product samples, respectively. Four of 9 Salmonella isolates examined were resistant to eight antibiotics, and each of these resistant strains produced an extended-spectrum β-lactamase. Most Campylobacter isolates were resistant to tetracycline (7 of 8 strains) and quinolones (7 of 8 strains). The similarity in rep-PCR patterns among Salmonella isolates was more closely associated with serotype than with the processing plant and type of meat. Conversely, the rep-PCR patterns of Campylobacter isolates were specific to the processing plant. Our findings could help agencies develop regulations for protection from foodborne bacterial infections arising from animal by-products.</description><subject>Aerobic bacteria</subject><subject>Animals</subject><subject>Anti-Bacterial Agents - pharmacology</subject><subject>Antibiotic resistance</subject><subject>Antibiotics</subject><subject>Automation</subject><subject>Bacteria</subject><subject>Bacterial diseases</subject><subject>Bacterial infections</subject><subject>By products</subject><subject>Byproducts</subject><subject>Campylobacter</subject><subject>Chickens</subject><subject>Chickens - microbiology</subject><subject>Drug resistance</subject><subject>Drug Resistance, Bacterial - drug effects</subject><subject>E coli</subject><subject>Escherichia coli - isolation & purification</subject><subject>Feeds</subject><subject>Food</subject><subject>Food Contamination</subject><subject>Food safety</subject><subject>Foodborne diseases</subject><subject>Gastrointestinal tract</subject><subject>Meat - microbiology</subject><subject>Pathogens</subject><subject>Pork</subject><subject>Poultry</subject><subject>Red Meat</subject><subject>Republic of Korea</subject><subject>Salmonella</subject><subject>Salmonella - isolation & purification</subject><subject>Studies</subject><subject>Swine</subject><issn>0362-028X</issn><issn>1944-9097</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNo9kF1LwzAUhoMobk7_gUjA68yTj7bJpY5NpxMHKngX0jR13bpmpq2wf2_H5q4OHJ73PZwHoWsKQ8FpdAc8ZgSY_Bo-T-aERoSr6AT1qRKCKFDJKeofkR66qOslADDF4nPUYwlTsaBJH01fCxt8WvjSfxfWlHj8a8rWNIWvsM_x3IcVNlWGR4vCrlyFH7ZkHnzW2qbGRYXffdss8IsPzlyis9yUtbs6zAH6nIw_Rk9k9vY4Hd3PiOWSNkTKJMkoy_LUOqsMk0w5J6OUOZ5FkWRpbkTMBEDGQVCRAnAqpYRYgLXWKT5At_veTfA_rasbvfRtqLqTmiYykTQCyjpK7Knuu7oOLtebUKxN2GoKeudP7-TonRzd-dPdovPXxW4O5W26dtkx9C-M_wEsG2pt</recordid><startdate>201605</startdate><enddate>201605</enddate><creator>Chon, Jung-Whan</creator><creator>Jung, Hae-In</creator><creator>Kuk, 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Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chon, Jung-Whan</au><au>Jung, Hae-In</au><au>Kuk, Min</au><au>Lim, Jong-Soo</au><au>Seo, Kun-Ho</au><au>Kim, Soo-Ki</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microbiological Evaluation of Pork and Chicken By-Products in South Korea</atitle><jtitle>Journal of food protection</jtitle><addtitle>J Food Prot</addtitle><date>2016-05</date><risdate>2016</risdate><volume>79</volume><issue>5</issue><spage>715</spage><epage>722</epage><pages>715-722</pages><issn>0362-028X</issn><eissn>1944-9097</eissn><abstract>In this study, we aimed to evaluate the microbiological risk of pork and chicken by-products by enumerating indicator bacteria (total aerobic bacteria, coliforms, and Escherichia coli) and identifying pathogens such as Campylobacter and Salmonella. The antibiotic resistance of pathogenic isolates was determined, and molecular subtyping was performed using automated repetitive sequence-based PCR (rep-PCR). Pork and chicken by-products were collected from 10 processing plants. The mean numbers of total aerobic bacteria, coliforms, and E. coli from 95 pork by-product samples and 64 chicken by-product samples were 5.1, 3.6, and 2.4 log CFU/g and 4.5, 3.0, and 1.8 log CFU/g, respectively. The numbers of indicator bacteria in the gastrointestinal tract (small intestine, large intestine, and gizzard) were significantly higher than those in other organs. Salmonella and Campylobacter species were detected in 3 and 5 of 95 pork by-product samples and in 6 and 3 of 64 chicken by-product samples, respectively. Four of 9 Salmonella isolates examined were resistant to eight antibiotics, and each of these resistant strains produced an extended-spectrum β-lactamase. Most Campylobacter isolates were resistant to tetracycline (7 of 8 strains) and quinolones (7 of 8 strains). The similarity in rep-PCR patterns among Salmonella isolates was more closely associated with serotype than with the processing plant and type of meat. Conversely, the rep-PCR patterns of Campylobacter isolates were specific to the processing plant. Our findings could help agencies develop regulations for protection from foodborne bacterial infections arising from animal by-products.</abstract><cop>United States</cop><pub>Elsevier Limited</pub><pmid>27296417</pmid><doi>10.4315/0362-028X.JFP-15-395</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Aerobic bacteria Animals Anti-Bacterial Agents - pharmacology Antibiotic resistance Antibiotics Automation Bacteria Bacterial diseases Bacterial infections By products Byproducts Campylobacter Chickens Chickens - microbiology Drug resistance Drug Resistance, Bacterial - drug effects E coli Escherichia coli - isolation & purification Feeds Food Food Contamination Food safety Foodborne diseases Gastrointestinal tract Meat - microbiology Pathogens Pork Poultry Red Meat Republic of Korea Salmonella Salmonella - isolation & purification Studies Swine |
| title | Microbiological Evaluation of Pork and Chicken By-Products in South Korea |
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