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  1. Article ; Online: Brachyspira hyodysenteriae

    Hampson, David J

    The Veterinary record

    2018  Volume 182, Issue 17, Page(s) 490–491

    MeSH term(s) Animals ; Asymptomatic Infections ; Brachyspira hyodysenteriae/isolation & purification ; Gram-Negative Bacterial Infections/microbiology ; Gram-Negative Bacterial Infections/veterinary ; Swine ; Swine Diseases/microbiology
    Language English
    Publishing date 2018--28
    Publishing country England
    Document type Letter
    ZDB-ID 390015-0
    ISSN 2042-7670 ; 0042-4900
    ISSN (online) 2042-7670
    ISSN 0042-4900
    DOI 10.1136/vr.k1782
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    In stock of ZB MED Cologne/Königswinter

    Zs.B 645: Show issues Location:
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  2. Article: Differential Impacts of Cereal and Protein Sources Fed to Pigs after Weaning on Diarrhoea and Faecal Shedding of

    Pluske, John R / Mullan, Bruce P / Kim, Jae Cheol / Hampson, David J

    Animals : an open access journal from MDPI

    2023  Volume 13, Issue 5

    Abstract: Different cereal types, in combination with different protein sources, are fed to pigs after weaning, but their interactions and possible implications are not well researched. In this study, 84 male weaned piglets were used in a 21-day feeding trial to ... ...

    Abstract Different cereal types, in combination with different protein sources, are fed to pigs after weaning, but their interactions and possible implications are not well researched. In this study, 84 male weaned piglets were used in a 21-day feeding trial to investigate the effects of feeding either medium-grain or long-grain extruded rice or wheat, in a factorial combination with protein sources of either vegetable or animal origin, on postweaning performance, shedding of β-haemolytic
    Language English
    Publishing date 2023-02-27
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2606558-7
    ISSN 2076-2615
    ISSN 2076-2615
    DOI 10.3390/ani13050863
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  3. Article ; Online: The Spirochete Brachyspira pilosicoli, Enteric Pathogen of Animals and Humans.

    Hampson, David J

    Clinical microbiology reviews

    2017  Volume 31, Issue 1

    Abstract: Brachyspira ... ...

    Abstract Brachyspira pilosicoli
    MeSH term(s) Animals ; Brachyspira/physiology ; Diagnosis, Differential ; Gastrointestinal Tract/microbiology ; Gram-Negative Bacterial Infections/diagnosis ; Gram-Negative Bacterial Infections/microbiology ; Gram-Negative Bacterial Infections/pathology ; Humans
    Language English
    Publishing date 2017-11-29
    Publishing country United States
    Document type Journal Article ; Review
    ZDB-ID 645015-5
    ISSN 1098-6618 ; 0893-8512
    ISSN (online) 1098-6618
    ISSN 0893-8512
    DOI 10.1128/CMR.00087-17
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

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  4. Article ; Online: Distribution and transmission of aetiological agents of swine dysentery.

    David J, Hampson

    The Veterinary record

    2019  Volume 182, Issue 7, Page(s) 192–194

    MeSH term(s) Animals ; Brachyspira hyodysenteriae ; Diarrhea ; Dysentery ; Farms ; Gram-Negative Bacterial Infections ; Swine
    Language English
    Publishing date 2019-04-07
    Publishing country England
    Document type Journal Article ; Comment
    ZDB-ID 390015-0
    ISSN 2042-7670 ; 0042-4900
    ISSN (online) 2042-7670
    ISSN 0042-4900
    DOI 10.1136/vr.k571
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  5. Article ; Online: Comparative genomic analysis of Colistin resistant Escherichia coli isolated from pigs, a human and wastewater on colistin withdrawn pig farm.

    Khine, Nwai Oo / Wongsurawat, Thidathip / Jenjaroenpun, Piroon / Hampson, David J / Prapasarakul, Nuvee

    Scientific reports

    2023  Volume 13, Issue 1, Page(s) 5124

    Abstract: In this study, genomic and plasmid characteristics of Escherichia coli were determined with the aim of deducing how mcr genes may have spread on a colistin withdrawn pig farm. Whole genome hybrid sequencing was applied to six mcr-positive E. coli (MCRPE) ...

    Abstract In this study, genomic and plasmid characteristics of Escherichia coli were determined with the aim of deducing how mcr genes may have spread on a colistin withdrawn pig farm. Whole genome hybrid sequencing was applied to six mcr-positive E. coli (MCRPE) strains isolated from pigs, a farmworker and wastewater collected between 2017 and 2019. Among these, mcr-1.1 genes were identified on IncI2 plasmids from a pig and wastewater, and on IncX4 from the human isolate, whereas mcr-3 genes were found on plasmids IncFII and IncHI2 in two porcine strains. The MCRPE isolates exhibited genotypic and phenotypic multidrug resistance (MDR) traits as well as heavy metal and antiseptic resistance genes. The mcr-1.1-IncI2 and IncX4 plasmids carried only colistin resistance genes. Whereas, the mcr-3.5-IncHI2 plasmid presented MDR region, with several mobile genetic elements. Despite the MCRPE strains belonged to different E. coli lineages, mcr-carrying plasmids with high similarities were found in isolates from pigs and wastewater recovered in different years. This study highlighted that several factors, including the resistomic profile of the host bacteria, co-selection via adjunct antibiotic resistance genes, antiseptics, and/or disinfectants, and plasmid-host fitness adaptation may encourage the maintenance of plasmids carrying mcr genes in E. coli.
    MeSH term(s) Humans ; Animals ; Swine ; Escherichia coli ; Colistin/pharmacology ; Wastewater ; Escherichia coli Proteins/genetics ; Farms ; Anti-Bacterial Agents/pharmacology ; Plasmids/genetics ; Genomics ; Drug Resistance, Bacterial/genetics ; Microbial Sensitivity Tests
    Chemical Substances Colistin (Z67X93HJG1) ; Wastewater ; Escherichia coli Proteins ; Anti-Bacterial Agents ; MCR-1 protein, E coli
    Language English
    Publishing date 2023-03-29
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2615211-3
    ISSN 2045-2322 ; 2045-2322
    ISSN (online) 2045-2322
    ISSN 2045-2322
    DOI 10.1038/s41598-023-32406-w
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article: Longitudinal Monitoring Reveals Persistence of Colistin-Resistant

    Khine, Nwai Oo / Lugsomya, Kittitat / Niyomtham, Waree / Pongpan, Tawat / Hampson, David J / Prapasarakul, Nuvee

    Frontiers in veterinary science

    2022  Volume 9, Page(s) 845746

    Abstract: Colistin-resistant bacteria harboring plasmid- ... ...

    Abstract Colistin-resistant bacteria harboring plasmid-mediated
    Language English
    Publishing date 2022-03-14
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2834243-4
    ISSN 2297-1769
    ISSN 2297-1769
    DOI 10.3389/fvets.2022.845746
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Proximity to human settlement is directly related to carriage of critically important antimicrobial-resistant Escherichia coli and Klebsiella pneumoniae in Silver Gulls.

    Mukerji, Shewli / Sahibzada, Shafi / Abraham, Rebecca / Stegger, Marc / Jordan, David / Hampson, David J / O'Dea, Mark / Lee, Terence / Abraham, Sam

    Veterinary microbiology

    2023  Volume 280, Page(s) 109702

    Abstract: Human population and activities play an important role in dissemination of antimicrobial resistant bacteria. This study investigated the relationship between carriage rates of critically important antimicrobial-resistant (CIA-R) Escherichia coli and ... ...

    Abstract Human population and activities play an important role in dissemination of antimicrobial resistant bacteria. This study investigated the relationship between carriage rates of critically important antimicrobial-resistant (CIA-R) Escherichia coli and Klebsiella pneumoniae by Silver Gulls and their proximity to human populations. Faecal swabs (n = 229) were collected from Silver Gulls across 10 southern coastline locations in Western Australia (WA) traversing 650 kms. The sampling locations included main town centres and remote areas. Fluoroquinolone and extended-spectrum cephalosporin-resistant E. coli and K. pneumoniae were isolated and tested for antimicrobial sensitivity. Genome sequencing was performed on n = 40 subset out of 98 E. coli and n = 14 subset out of 27 K. pneumoniae isolates to validate phenotypic resistance profiles and determine the molecular characteristics of strains. CIA-R E. coli and K. pneumoniae were detected in 69 (30.1 %) and 20 (8.73 %) of the faecal swabs respectively. Two large urban locations tested positive for CIA-R E. coli (frequency ranging from 34.3 % to 84.3 %), and/or for CIA-R K. pneumoniae (frequency ranging from 12.5 % to 50.0 %). A small number of CIA-R E. coli (3/31, 9.7 %) were identified at a small tourist town, but no CIA-R bacteria were recovered from gulls at remote sites. Commonly detected E. coli sequence types (STs) included ST131 (12.5 %) and ST1193 (10.0 %). Five K. pneumoniae STs were detected which included ST4568, ST6, ST485, ST967 and ST307. Resistance genes including bla
    MeSH term(s) Humans ; Animals ; Escherichia coli ; Klebsiella pneumoniae/genetics ; Charadriiformes/microbiology ; Anti-Infective Agents ; Escherichia coli Infections/epidemiology ; Escherichia coli Infections/veterinary ; Escherichia coli Infections/microbiology ; beta-Lactamases/genetics ; Anti-Bacterial Agents/pharmacology ; Klebsiella Infections/epidemiology ; Klebsiella Infections/microbiology ; Klebsiella Infections/veterinary ; Microbial Sensitivity Tests/veterinary
    Chemical Substances Anti-Infective Agents ; beta-Lactamases (EC 3.5.2.6) ; Anti-Bacterial Agents
    Language English
    Publishing date 2023-02-17
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 753154-0
    ISSN 1873-2542 ; 0378-1135
    ISSN (online) 1873-2542
    ISSN 0378-1135
    DOI 10.1016/j.vetmic.2023.109702
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 2917: Show issues Location:
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  8. Article ; Online: Comparative genomic analysis of Colistin resistant Escherichia coli isolated from pigs, a human and wastewater on colistin withdrawn pig farm

    Nwai Oo Khine / Thidathip Wongsurawat / Piroon Jenjaroenpun / David J. Hampson / Nuvee Prapasarakul

    Scientific Reports, Vol 13, Iss 1, Pp 1-

    2023  Volume 11

    Abstract: Abstract In this study, genomic and plasmid characteristics of Escherichia coli were determined with the aim of deducing how mcr genes may have spread on a colistin withdrawn pig farm. Whole genome hybrid sequencing was applied to six mcr-positive E. ... ...

    Abstract Abstract In this study, genomic and plasmid characteristics of Escherichia coli were determined with the aim of deducing how mcr genes may have spread on a colistin withdrawn pig farm. Whole genome hybrid sequencing was applied to six mcr-positive E. coli (MCRPE) strains isolated from pigs, a farmworker and wastewater collected between 2017 and 2019. Among these, mcr-1.1 genes were identified on IncI2 plasmids from a pig and wastewater, and on IncX4 from the human isolate, whereas mcr-3 genes were found on plasmids IncFII and IncHI2 in two porcine strains. The MCRPE isolates exhibited genotypic and phenotypic multidrug resistance (MDR) traits as well as heavy metal and antiseptic resistance genes. The mcr-1.1-IncI2 and IncX4 plasmids carried only colistin resistance genes. Whereas, the mcr-3.5-IncHI2 plasmid presented MDR region, with several mobile genetic elements. Despite the MCRPE strains belonged to different E. coli lineages, mcr-carrying plasmids with high similarities were found in isolates from pigs and wastewater recovered in different years. This study highlighted that several factors, including the resistomic profile of the host bacteria, co-selection via adjunct antibiotic resistance genes, antiseptics, and/or disinfectants, and plasmid-host fitness adaptation may encourage the maintenance of plasmids carrying mcr genes in E. coli.
    Keywords Medicine ; R ; Science ; Q
    Subject code 630
    Language English
    Publishing date 2023-03-01T00:00:00Z
    Publisher Nature Portfolio
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  9. Article ; Online: Differential Impacts of Cereal and Protein Sources Fed to Pigs after Weaning on Diarrhoea and Faecal Shedding of Escherichia coli , Production, and Total Tract Apparent Digestibility

    John R. Pluske / Bruce P. Mullan / Jae Cheol Kim / David J. Hampson

    Animals, Vol 13, Iss 863, p

    2023  Volume 863

    Abstract: Different cereal types, in combination with different protein sources, are fed to pigs after weaning, but their interactions and possible implications are not well researched. In this study, 84 male weaned piglets were used in a 21-day feeding trial to ... ...

    Abstract Different cereal types, in combination with different protein sources, are fed to pigs after weaning, but their interactions and possible implications are not well researched. In this study, 84 male weaned piglets were used in a 21-day feeding trial to investigate the effects of feeding either medium-grain or long-grain extruded rice or wheat, in a factorial combination with protein sources of either vegetable or animal origin, on postweaning performance, shedding of β–haemolytic Escherichia coli , and the coefficient of total tract apparent digestibility (CTTAD). Pigs fed either rice type performed the same ( p > 0.05) as wheat-fed pigs after weaning. The use of vegetable protein sources reduced growth rate ( p < 0.001) and feed intake ( p = 0.007) and deteriorated the feed conversion ratio ( p = 0.028) in weeks two and three compared to pigs fed animal protein sources. The number of antibiotic treatments given for clinical diarrhoea was similar (p > 0.05). However, the faecal E. coli score showed a trend for the main effect of protein source, with pigs fed animal proteins showing a higher E. coli score than pigs fed vegetable proteins (0.63 vs. 0.43, p = 0.057). There was also a tendency for an interaction ( p = 0.069) between cereal type and protein source ( p = 0.069), with this difference being associated with a greater faecal score in pigs fed diets with long-grain rice plus animal proteins and wheat plus animal proteins. Significant interactions occurred for the CTTAD when assessed in week three. In general, pigs fed diets with medium-grain rice or long-grain rice with animal proteins had a higher ( p < 0.001) CTTAD for dietary components than pigs fed all other diets, and vegetable proteins depressed ( p < 0.001) CTTAD compared to animal proteins (main effect of protein: p < 0.001). In summary, pigs tolerated the extruded rice-based diets well and performed equivalently to pigs fed wheat as the sole cereal, and the use of vegetable proteins decreased the E. coli score.
    Keywords pigs ; weaning ; rice ; performance ; diarrhoea ; digestibility ; Veterinary medicine ; SF600-1100 ; Zoology ; QL1-991
    Subject code 630
    Language English
    Publishing date 2023-02-01T00:00:00Z
    Publisher MDPI AG
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  10. Article: Improved Antibody Detection for Canine Leptospirosis: ELISAs Modified Using Local Leptospiral Serovar Isolates from Asymptomatic Dogs.

    Boonciew, Pannawich / Saisongkorh, Watcharee / Brameld, Suppalak / Thongpin, Matsaya / Kurilung, Alongkorn / Krangvichian, Pratomporn / Niyomtham, Waree / Patarakul, Kanitha / Phichitraslip, Thanmaporn / Hampson, David J / Prapasarakul, Nuvee

    Animals : an open access journal from MDPI

    2024  Volume 14, Issue 6

    Abstract: Leptospirosis is a zoonotic disease of significant concern for human and animal health, with domestic animals, including dogs, acting as reservoirs for human infection. Serology is widely used for leptospirosis diagnosis, even though the standard ... ...

    Abstract Leptospirosis is a zoonotic disease of significant concern for human and animal health, with domestic animals, including dogs, acting as reservoirs for human infection. Serology is widely used for leptospirosis diagnosis, even though the standard microscopic agglutination test (MAT) using a panel of serovars lacks specificity and can lead to detection limitations in certain regions. In this study, we aimed to develop an antibody detection tool for dogs using an indirect enzyme-linked immunosorbent assay (ELISA) with a set of local serovar isolates, including Paidjan, Dadas, and Mini, to enhance the accuracy of leptospirosis surveillance in our region. The specificity and sensitivity of various antigen preparations, namely leptospiral whole-cell protein (WCP), total membrane protein (TMP), and outer membrane protein (OMP), were assessed using sera from infected and non-infected dogs, as well as negative puppy sera. Leptospirosis diagnosis was supported using a genus-specific nested polymerase chain reaction test on all collected sera. Protein preparations were validated using SDS-PAGE and Western blotting analysis. In the results, the standard MAT failed to detect antibodies in any of the dogs confirmed as being infected using PCR and isolation, highlighting its limitations. In contrast, the OMP-based ELISAs using local isolates of
    Language English
    Publishing date 2024-03-14
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2606558-7
    ISSN 2076-2615
    ISSN 2076-2615
    DOI 10.3390/ani14060893
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