D J Hampson

Summary

Affiliation: Murdoch University
Country: Australia

Publications

  1. ncbi request reprint Evaluation of a novel antimicrobial polymer for the control of porcine postweaning colibacillosis
    D J Hampson
    Division of Veterinary and Biomedical Sciences, Murdoch University, Western Australia
    Aust Vet J 78:117-20. 2000
  2. ncbi request reprint Influences of diet and vaccination on colonisation of pigs by the intestinal spirochaete Brachyspira (Serpulina) pilosicoli
    D J Hampson
    Division of Veterinary and Biomedical Sciences, Murdoch University, Murdoch, WA, Australia
    Vet Microbiol 73:75-84. 2000
  3. ncbi request reprint Influence of in-feed zinc bacitracin and tiamulin treatment on experimental avian intestinal spirochaetosis caused by Brachyspira intermedia
    D J Hampson
    Division of Veterinary and Biomedical Sciences, Murdoch University, Murdoch, WA 6150, Australia
    Avian Pathol 31:285-91. 2002
  4. ncbi request reprint Dietary enzyme and zinc bacitracin reduce colonisation of layer hens by the intestinal spirochaete Brachyspira intermedia
    D J Hampson
    Division of Veterinary and Biomedical Sciences, Murdoch University, WA 6150, Perth, Australia
    Vet Microbiol 86:351-60. 2002
  5. pmc PCR amplification from fixed tissue indicates frequent involvement of Brachyspira aalborgi in human intestinal spirochetosis
    A S Mikosza
    Division of Veterinary and Biomedical Sciences, Murdoch University, Murdoch, Western Australia 6150, Australia
    J Clin Microbiol 37:2093-8. 1999
  6. ncbi request reprint Development of a multiplex-PCR for rapid detection of the enteric pathogens Lawsonia intracellularis, Brachyspira hyodysenteriae, and Brachyspira pilosicoli in porcine faeces
    T La
    School of Veterinary and Biomedical Sciences, Murdoch University, Murdoch, WA, Australia
    Lett Appl Microbiol 42:284-8. 2006
  7. ncbi request reprint Differentiation of Serpulina species by NADH oxidase gene (nox) sequence comparisons and nox-based polymerase chain reaction tests
    R F Atyeo
    Division of Veterinary and Biomedical Sciences, Murdoch University, WA, Australia
    Vet Microbiol 67:47-60. 1999
  8. pmc Comparative prevalences of Brachyspira aalborgi and Brachyspira (Serpulina) pilosicoli as etiologic agents of histologically identified intestinal spirochetosis in Australia
    A S Mikosza
    Division of Veterinary and Biomedical Sciences, Murdoch University, Murdoch, Western Australia
    J Clin Microbiol 39:347-50. 2001
  9. ncbi request reprint Zinc bacitracin enhances colonization by the intestinal spirochaete Brachyspira pilosicoli in experimentally infected layer hens
    A Jamshidi
    Division of Veterinary and Biomedical Sciences, Murdoch University, WA 6150, Australia
    Avian Pathol 31:293-8. 2002
  10. doi request reprint Diets containing inulin but not lupins help to prevent swine dysentery in experimentally challenged pigs
    C F Hansen
    Animal Research Institute, School of Veterinary and Biomedical Sciences, Murdoch University, Murdoch, Western Australia 6150, Australia
    J Anim Sci 88:3327-36. 2010

Collaborators

Detail Information

Publications42

  1. ncbi request reprint Evaluation of a novel antimicrobial polymer for the control of porcine postweaning colibacillosis
    D J Hampson
    Division of Veterinary and Biomedical Sciences, Murdoch University, Western Australia
    Aust Vet J 78:117-20. 2000
    ..To determine whether CHEMYDERTM polymer has potential for use in the control of porcine postweaning colibacillosis (PWC)...
  2. ncbi request reprint Influences of diet and vaccination on colonisation of pigs by the intestinal spirochaete Brachyspira (Serpulina) pilosicoli
    D J Hampson
    Division of Veterinary and Biomedical Sciences, Murdoch University, Murdoch, WA, Australia
    Vet Microbiol 73:75-84. 2000
    ..Antibody titres in the vaccinated pigs then declined, despite intestinal colonisation by B. pilosicoli. Both groups of unvaccinated animals also failed to develop a post-infection increase in circulating antibody titres...
  3. ncbi request reprint Influence of in-feed zinc bacitracin and tiamulin treatment on experimental avian intestinal spirochaetosis caused by Brachyspira intermedia
    D J Hampson
    Division of Veterinary and Biomedical Sciences, Murdoch University, Murdoch, WA 6150, Australia
    Avian Pathol 31:285-91. 2002
    ..The other 20 infected birds had a significant drop in egg production, but those receiving ZnB showed a reduced colonization by B. intermedia after 3 weeks...
  4. ncbi request reprint Dietary enzyme and zinc bacitracin reduce colonisation of layer hens by the intestinal spirochaete Brachyspira intermedia
    D J Hampson
    Division of Veterinary and Biomedical Sciences, Murdoch University, WA 6150, Perth, Australia
    Vet Microbiol 86:351-60. 2002
    ..It was not established how the ZnB at 50 ppm and the dietary enzyme reduced the ability of the spirochaete to colonise, but it may have been by bringing about changes in the intestinal microflora and/or the intestinal microenvironment...
  5. pmc PCR amplification from fixed tissue indicates frequent involvement of Brachyspira aalborgi in human intestinal spirochetosis
    A S Mikosza
    Division of Veterinary and Biomedical Sciences, Murdoch University, Murdoch, Western Australia 6150, Australia
    J Clin Microbiol 37:2093-8. 1999
    ..Direct sequencing of products from three of the positive samples provided further confirmation of the presence of B. aalborgi. B. aalborgi may be a more common cause of intestinal spirochetosis than has been previously thought...
  6. ncbi request reprint Development of a multiplex-PCR for rapid detection of the enteric pathogens Lawsonia intracellularis, Brachyspira hyodysenteriae, and Brachyspira pilosicoli in porcine faeces
    T La
    School of Veterinary and Biomedical Sciences, Murdoch University, Murdoch, WA, Australia
    Lett Appl Microbiol 42:284-8. 2006
    ..To develop an assay to simultaneously detect Lawsonia intracellularis, Brachyspira hyodysenteriae and Brachyspira pilosicoli in pig faeces...
  7. ncbi request reprint Differentiation of Serpulina species by NADH oxidase gene (nox) sequence comparisons and nox-based polymerase chain reaction tests
    R F Atyeo
    Division of Veterinary and Biomedical Sciences, Murdoch University, WA, Australia
    Vet Microbiol 67:47-60. 1999
    ..pilosicoli strains, even at low stringency. Tests NOX1 and NOX4 should prove useful in veterinary diagnostic laboratories, whilst NOX2 and NOX3 require further refinement...
  8. pmc Comparative prevalences of Brachyspira aalborgi and Brachyspira (Serpulina) pilosicoli as etiologic agents of histologically identified intestinal spirochetosis in Australia
    A S Mikosza
    Division of Veterinary and Biomedical Sciences, Murdoch University, Murdoch, Western Australia
    J Clin Microbiol 39:347-50. 2001
    ..This study demonstrates that B. aalborgi is much more commonly involved in histologically identified IS in Australian patients than is B. pilosicoli. This is the first report of amplification of B. pilosicoli DNA from humans with IS...
  9. ncbi request reprint Zinc bacitracin enhances colonization by the intestinal spirochaete Brachyspira pilosicoli in experimentally infected layer hens
    A Jamshidi
    Division of Veterinary and Biomedical Sciences, Murdoch University, WA 6150, Australia
    Avian Pathol 31:293-8. 2002
    ..001). Dietary ZnB at 50 parts/10(6) therefore predisposed to colonization by B. pilosicoli. Despite colonization, no significant production differences were found between the birds in the three groups...
  10. doi request reprint Diets containing inulin but not lupins help to prevent swine dysentery in experimentally challenged pigs
    C F Hansen
    Animal Research Institute, School of Veterinary and Biomedical Sciences, Murdoch University, Murdoch, Western Australia 6150, Australia
    J Anim Sci 88:3327-36. 2010
    ..05). In conclusion, this study shows that diets supplemented with highly fermentable carbohydrates from inulin protected pigs against developing swine dysentery...
  11. ncbi request reprint A cross-sectional study to investigate the occurrence and distribution of intestinal spirochaetes (Brachyspira spp.) in three flocks of laying hens
    N D Phillips
    School of Veterinary and Biomedical Sciences, Murdoch University, South Street, Murdoch, Perth, WA 6150, Australia
    Vet Microbiol 105:189-98. 2005
    ..intermedia than the flock of intermediate age (P = 0.004), suggesting that following initial infection of individual young hens on this farm there was amplification and transmission of infection amongst members of the flock...
  12. ncbi request reprint Increasing viscosity of the intestinal contents alters small intestinal structure and intestinal growth, and stimulates proliferation of enterotoxigenic Escherichia coli in newly-weaned pigs
    D E McDonald
    Division of Veterinary and Biomedical Sciences, Murdoch University, Murdoch, Western Australia 6150, Australia
    Br J Nutr 86:487-98. 2001
    ..Feed ingredients in weaning diets that excessively increase the viscosity of the intestinal digesta may be detrimental to pig health and production...
  13. ncbi request reprint PCR detection of Brachyspira aalborgi and Brachyspira pilosicoli in human faeces
    A S Mikosza
    Division of Veterinary and Biomedical Sciences, Murdoch University, 6150, Murdoch, WA, Australia
    FEMS Microbiol Lett 197:167-70. 2001
    ..These new faecal PCR protocols should be valuable for future studies on the epidemiology of intestinal spirochaete infections in human populations, particularly as it is not currently possible to isolate B. aalborgi from faeces...
  14. ncbi request reprint Polymerase chain reaction for identification of human and porcine spirochaetes recovered from cases of intestinal spirochaetosis
    N Y Park
    School of Veterinary Studies, Murdoch University, Australia
    FEMS Microbiol Lett 125:225-9. 1995
    ..coli' cells, with a detection limit equivalent to 2.5 x 10(2) cells. The reaction was used to detect and identify these spirochaetes from selective agar plates inoculated with stool specimens from infected pigs...
  15. doi request reprint An increased ratio of dietary tryptophan to lysine improves feed efficiency and elevates plasma tryptophan and kynurenine in the absence of antimicrobials and regardless of infection with enterotoxigenic Escherichia coli in weaned pigs
    M M Capozzalo
    Murdoch University, Murdoch, WA, Australia
    J Anim Sci 90:191-3. 2012
    ..21 and 0.26 and were not affected (P > 0.05) by infection. In conclusion, in the absence of antimicrobials, increasing the dietary Trp:Lys ratio to 0.26 improved G:F after weaning and increased plasma levels of Trp and Kyn...
  16. ncbi request reprint Adverse effects of soluble non-starch polysaccharide (guar gum) on piglet growth and experimental colibacillosis immediately after weaning
    D E McDonald
    Division of Veterinary Sciences, Murdoch University, Perth, WA, 6150, Australia
    Res Vet Sci 67:245-50. 1999
    ..The optimal levels and type of dietary fibre used for weaner pig diets require further evaluation...
  17. ncbi request reprint Antimicrobial susceptibility testing of Brachyspira intermedia and Brachyspira pilosicoli isolates from Australian chickens
    D J Hampson
    School of Veterinary and Biomedical Sciences, Murdoch University, Murdoch, Western Australia 6150, Australia
    Avian Pathol 35:12-6. 2006
    ..pilosicoli. These data suggest that some resistance to common antimicrobials exists among intestinal spirochetes obtained from laying hens and supports the need of MIC data for clinical isolates before any treatment is considered...
  18. ncbi request reprint Survival of intestinal spirochaete strains from chickens in the presence of disinfectants and in faeces held at different temperatures
    N D Phillips
    School of Veterinary and Biomedical Sciences, Murdoch University, Murdoch, Western Australia, Australia
    Avian Pathol 32:639-43. 2003
    ..It should be relatively easy to break the cycle of infection between batches of laying birds by resting sheds for a few days, and by using disinfectants on any residual faecal matter...
  19. pmc Colonization and risk factors for Brachyspira aalborgi and Brachyspira pilosicoli in humans and dogs on tea estates in Assam, India
    M A Munshi
    School of Veterinary and Biomedical Sciences, Murdoch University, Murdoch, Western Australia 6150, Australia
    Epidemiol Infect 132:137-44. 2004
    ..pilosicoli (P < 0.001), water obtained from a well (P = 0.006), water treatment (P = 0.03), and not having visited a doctor in the previous 12 months (P = 0.03)...
  20. ncbi request reprint Phenotypic characteristics of Serpulina pilosicoli the agent of intestinal spirochaetosis
    D J Trott
    School of Veterinary Studies, Murdoch University, Murdoch, Australia
    FEMS Microbiol Lett 142:209-14. 1996
    ..pilosicoli was that the human strains all utilised the pentose sugar D-xylose. These distinguishing phenotypic traits appear useful for identifying S. pilosicoli...
  21. pmc Experimental infection of newly weaned pigs with human and porcine strains of Serpulina pilosicoli
    D J Trott
    School of Veterinary Studies, Murdoch University, Western Australia
    Infect Immun 64:4648-54. 1996
    ..This study confirms the role of S. pilosicoli in the etiology of PIS and provides evidence that S. pilosicoli strains of human origin have pathogenic potential in an animal model...
  22. ncbi request reprint Isolation of Brachyspira pilosicoli from weanling horses with chronic diarrhoea
    D J Hampson
    School of Veterinary and Biomedical Sciences, Murdoch University, Murdoch, WA 6150, Australia
    Vet Rec 158:661-2. 2006
  23. doi request reprint Feeding a diet with decreased protein content reduces indices of protein fermentation and the incidence of postweaning diarrhea in weaned pigs challenged with an enterotoxigenic strain of Escherichia coli
    J M Heo
    Animal Research Institute, School of Veterinary and Biomedical Sciences, Murdoch University, Murdoch, Western Australia 6150, Australia
    J Anim Sci 87:2833-43. 2009
    ..coli. Infection was associated with decreased indices of protein fermentation in the distal gastrointestinal tract but did not compromise the growth of weaner pigs in the 4-wk period after weaning...
  24. ncbi request reprint Genetic relatedness amongst intestinal spirochaetes isolated from rats and birds
    D J Trott
    School of Veterinary Studies, Murdoch University, Western Australia, Australia
    Lett Appl Microbiol 23:431-6. 1996
    ..Fifteen of the rat strains were genetically and phenotypically closely related. In contrast the avian strains were genetically more heterogeneous, with pathogenic isolates located in three different genetic groups...
  25. ncbi request reprint Serologic detection of Brachyspira (Serpulina) hyodysenteriae infections
    T La
    Division of Veterinary and Biomedical Sciences, Murdoch University, Western Australia, Australia
    Anim Health Res Rev 2:45-52. 2001
    ..In this review we summarize the available serologic tests for SD, and speculate on the use of recombinant BmpB as an antigen for future development of an improved serologic test for SD diagnosis...
  26. ncbi request reprint Increasing the viscosity of the intestinal contents stimulates proliferation of enterotoxigenic Escherichia coli and Brachyspira pilosicoli in weaner pigs
    D E Hopwood
    Division of Veterinary and Biomedical Science, Murdoch University, South Street, Western Australia 6150, Australia
    Br J Nutr 88:523-32. 2002
    ..These pigs did not develop a natural infection with enterotoxigenic E. coli after the diet change, confirming the particular susceptibility of pigs to enterotoxigenic E. coli proliferation immediately post-weaning...
  27. ncbi request reprint The distribution of bmpB, a gene encoding a 29.7 kDa lipoprotein with homology to MetQ, in Brachyspira hyodysenteriae and related species
    T La
    School of Veterinary and Biomedical Sciences, Murdoch University, Murdoch, WA 6150, Australia
    Vet Microbiol 107:249-56. 2005
    ..9-39.9% similarity with the d-methionine binding proteins (MetQ) of a number of pathogenic bacterial species. The bmpB gene was confirmed to be the same as a gene of B. hyodysenteriae that was recently designated "blpA"...
  28. ncbi request reprint A monoclonal antibody reacting with the cell envelope of spirochaetes isolated from cases of intestinal spirochaetosis in pigs and humans
    B J Lee
    School of Veterinary Studies, Murdoch University, Perth, Western Australia
    FEMS Microbiol Lett 131:179-84. 1995
    ..The mAb should prove to be a useful reagent for detection and identification of spirochaetes that are specifically associated with intestinal spirochaetosis...
  29. ncbi request reprint Evaluation of blood culture systems for detection of the intestinal spirochaete Brachyspira (Serpulina) pilosicoli in human blood
    C J Brooke
    Division of Veterinary and Biomedical Sciences, Murdoch University, Western Australia, Australia
    J Med Microbiol 49:1031-6. 2000
    ..Spirochaetaemias caused by B. pilosicoli may be unrecognised because detection time by the signal or subculture exceeds 5 days...
  30. ncbi request reprint Growth enhancement in broiler chickens receiving CHEMEQRTM polymeric antimicrobial
    D J Hampson
    School of Veterinary and Biomedical Sciences, Murdoch University, Murdoch, WA 6150, Australia
    Avian Pathol 32:605-11. 2003
    ..05) ADG than those receiving Salinomycin. CHEMEQRTM polymeric antimicrobial helped to maintain the health and to improve the growth performance of broiler chickens...
  31. pmc Carriage of intestinal spirochaetes by humans: epidemiological data from Western Australia
    C J Brook
    Division of Veterinary and Biomedical Sciences, Murdoch University, WA, Australia
    Epidemiol Infect 127:369-74. 2001
    ..0034). Carriage was significantly associated with detection of faecal protozoa in both Aboriginals (P = 0.0021) and migrants (P = 0.012). PFGE results indicated that the B. pilosicoli strains were genetically diverse...
  32. pmc Comparison of prevalence and risk factors for faecal carriage of the intestinal spirochaetes Brachyspira aalborgi and Brachyspira pilosicoli in four Australian populations
    C J Brooke
    School of Veterinary and Biomedical Sciences, Murdoch University, Murdoch, WA 6150, Australia
    Epidemiol Infect 134:627-34. 2006
    ..Both species may have pathogenic potential, but B. aalborgi appears more host-adapted than the opportunistic B. pilosicoli...
  33. ncbi request reprint Risk factors for gastric ulcers in Australian pigs at slaughter
    I D Robertson
    Division of Veterinary and Biomedical Sciences, Murdoch University, Murdoch, WA 6150, Perth, Australia
    Prev Vet Med 53:293-303. 2002
    ..8), feed a pelleted ration (OR=384) and get water from a dam rather than from a bore or river (OR=3.8). Furthermore, for every change in the ration formulation for finisher pigs, the risk of OGU increased 1.5 times...
  34. doi request reprint Gastrointestinal health and function in weaned pigs: a review of feeding strategies to control post-weaning diarrhoea without using in-feed antimicrobial compounds
    J M Heo
    Department of Animal Science, University of Manitoba, Winnipeg, MB, Canada
    J Anim Physiol Anim Nutr (Berl) 97:207-37. 2013
    ....
  35. ncbi request reprint Human intestinal spirochetosis: Brachyspira aalborgi and/or Brachyspira pilosicoli?
    A S Mikosza
    Division of Veterinary and Biomedical Sciences, Murdoch University, Western Australia, Australia
    Anim Health Res Rev 2:101-10. 2001
    ..aalborgi, rather than B. pilosicoli, was the main spirochete species involved in these patients. This review outlines recent developments in the study of HIS and the two spirochete species, and identifies priorities for future research...
  36. pmc In vitro antimicrobial susceptibility of Brachyspira pilosicoli isolates from humans
    C J Brooke
    Division of Veterinary and Biomedical Sciences, Murdoch University, Murdoch, Western Australia 6150, Australia
    Antimicrob Agents Chemother 47:2354-7. 2003
    ..Resistance to amoxicillin and clindamycin varied. Amoxicillin susceptibility was restored by clavulanic acid...
  37. pmc Genetic characterization of Mycobacterium avium isolates recovered from humans and animals in Australia
    M M Feizabadi
    School of Veterinary Studies, Murdoch University, Western Australia
    Epidemiol Infect 116:41-9. 1996
    ..avium may be transmitted between birds and pigs, but there was no clear evidence of transmission to humans. The serovar of the M. avium isolates was not obviously related to their ET assignment or their PFGE type...
  38. ncbi request reprint Intestinal spirochete infections of chickens: a review of disease associations, epidemiology and control
    C P Stephens
    Department of Primary Industries, Toowoomba, Queensland, Australia
    Anim Health Res Rev 2:83-91. 2001
    ..Trials are under way to test the efficacy of antimicrobials in point-of-lay chickens experimentally infected with either B. intermedia or B. pilosicoli...
  39. ncbi request reprint Evaluation of tiamulin and lincomycin for the treatment of broiler breeders experimentally infected with the intestinal spirochaete Brachyspira pilosicoli
    C P Stephens
    Toowoomba Veterinary Laboratory, Animal and Plant Health Service, Department of Primary Industries, Toowoomba, QLD 4350, Australia
    Avian Pathol 31:299-304. 2002
    ..pilosicoli infection, and demonstrated the usefulness of both tiamulin and lincomycin for treatment of infection with B. pilosicoli in adult birds...
  40. doi request reprint Prevalence, disease associations and risk factors for colonization with intestinal spirochaetes (Brachyspira spp.) in flocks of laying hens in north-eastern Italy
    L Bano
    Laboratorio di Treviso, Istituto Zooprofilattico Sperimentale delle Venezie, Treviso, Italy
    Avian Pathol 37:281-6. 2008
    ..048) and pathogenic species (P=007) than sheds housing younger chickens. A significant association (P=0.02) was found between infection with pathogenic spirochaetes and reduced egg production...
  41. ncbi request reprint Effect of diet composition on postweaning colibacillosis in piglets
    L Montagne
    Unité Mixte de Recherche sur le Veau et le Porc, INRA, Agrocampus Rennes, Rennes, France
    J Anim Sci 82:2364-74. 2004
    ..The addition of CMC to cooked white rice increased digesta viscosity and enhanced PWC. Consequently, this diet represents a useful model for studying this condition...
  42. ncbi request reprint Development of a multilocus sequence typing scheme for intestinal spirochaetes within the genus Brachyspira
    T Råsbäck
    Department of Bacteriology, National Veterinary Institute SVA, SE 751 89 Uppsala, Sweden
    Microbiology 153:4074-87. 2007
    ..This is a first step towards establishing an MLST system for use in identifying Brachyspira species and determining relationships between individual strains and species in the genus...