The colonization of the alimentary tract and visceral organs of chicks with salmonellas following challenge via the feed: bacteriological findings |
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| Authors: | Y M Xu G R Pearson M Hinton |
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| Affiliation: | 1. Department of Veterinary Medicine, Jiangsu Agricultural College, The People''s Republic of China;2. Department of Pathology, University of Bristol, Langford House, Langford, Bristol BS18 7DU UK;3. Department of Veterinary Medicine, University of Bristol, Langford House, Langford, Bristol BS18 7DU UK;1. Jaeb Center for Health Research, Tampa, FL;2. Institute for Epidemiology and Medical Biometry, ZIBMT, University of Ulm, Ulm, Germany;3. Yale University, New Haven, CT;4. Department of Pediatrics, University Children''s Hospital Jena, Jena, Germany;5. Indiana University School of Medicine, Indianapolis, IN;6. University Children''s Hospital Freiburg, Freiburg, Germany;7. Department of Pediatrics, Medical University of Innsbruck, Innsbruck, Austria;8. Barbara Davis Center for Childhood Diabetes, Aurora, CO;1. School of Public Health, The University of Queensland, Brisbane, Queensland, Australia;2. Department of Population Health, QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia;3. Faculty of Health, University of Technology Sydney, Sydney, New South Wales, Australia;4. Medical Research Council Unit for Lifelong Health and Ageing at UCL, London, United Kingdom;5. CLOSER, UCL Institute of Education, London, United Kingdom;6. Department of Epidemiology and Public Health, University College London, London, United Kingdom;7. Department of Social Sciences and Health Policy, Wake Forest School of Medicine, NC;8. Department of Public Health Sciences, University of California, Davis, CA;9. Department of Epidemiology Graduate School of Public Health, University of Pittsburgh, PA;10. Department of Medicine, University of Massachusetts Medical School, Worcester, MA;1. Microbial Resources Division, Institute of Bioresources and Sustainable Development (IBSD), Takyelpat Institutional Area, Imphal, 795 001, Manipur, India;2. Department of Biotechnology, Gauhati University, Guwahati, 781 014, Assam, India;3. Distributed Information Sub-Centre (DISC), Institute of Bioresources and Sustainable Development (IBSD), Takyelpat Institutional Area, Imphal, 795 001, Manipur, India;4. Mass Spectrometry (Metabolomics) Facility, Centre for Cellular and Molecular Platforms (C-CAMP), Bengaluru, 560065, Karnataka, India;5. Department of Anthropology, Manipur University, Canchipur, Imphal, 795003, Manipur, India;6. Department of Pharmacy and Biotechnology, Alma Mater Studiorum - University of Bologna, Bologna, 40126, Italy;1. Unit of Reproductive Endocrinology, 1st Department of Obstetrics and Gynecology, Medical School, Aristotle University of Thessaloniki, Greece;2. Department of Obstetrics and Gynecology, University Hospital, Basel, Switzerland;3. Department of Pediatrics, Obstetrics and Gynecology, University of Valencia and INCLIVA, Valencia, Spain;4. Department of Obstetrics and Gynecology I, “Dr. I. Cantacuzino” Hospital, “Carol Davila” University of Medicine and Pharmacy, Bucharest, Romania;5. Instituto de Investigación e Innovación de Salud Integral (ISAIN), Facultad de Ciencias Médicas, Universidad Católica de Santiago de Guayaquil, Guayaquil, Ecuador;6. İstanbul Medipol International School of Medicine, Istanbul, Turkey;7. Department of Obstetrics and Gynecology, University Central Hospital Turku, Finland;8. Department of Women’s and Children’s Health, Karolinska Institutet and Department of Gynecology and Reproductive Medicine, Karolinska University Hospital, Stockholm, Sweden;9. Department of Gynecology and Obstetrics, University of Münster, Münster, Germany;10. Nantes, France Polyclinique de l’Atlantique Saint Herblain. F 44819 St Herblain France, Université de Nantes F 44093 Nantes Cedex, France;11. Sackler Faculty of Medicine, Tel-Aviv University, Israel;12. Department of Obstetrics and Gynecology, University Hospital St. Poelten-Lilienfeld, Austria;13. Second Department of Obstetrics and Gynecology, Aretaieio Hospital, Medical School, National and Kapodistrian University of Athens, Greece;14. Women’s Centre, John Radcliffe Hospital, Oxford, OX3 9DU, UK;1. 1st Department of Obstetrics and Gynecology, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece;2. Police Medical Center of Thessaloniki, Thessaloniki, Greece;3. 2nd Department of Obstetrics and Gynecology, National and Kapodistrian University of Athens, Medical School, Athens, Greece;4. National Heart and Lung Institute, Imperial College London, Royal Brompton and Harefield NHS Foundation Trust, London, SW3 6NP, UK |
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| Abstract: | Chicks 1 and 7 days old were given feed contaminated artificially with 30–200 organisms/g of either Salmonella kedougou or S. typhimurim. The sequence of colonization was traced by culturing 13 sites of the alimentary tract and four visceral organs from 3 hours to 9 days following the commencement of challenge.Infection became established in the intestine of the newly hatched chick within a few hours, the caecum being the predilection site for colonization. S. typhimurium, but not S. kedougou, was recovered from the visceral organs although this did not occur until after infection had become established in the intestine.S. kedougou proved a more effective intestinal colonizer than S. typhimurium in the young chick while the converse was true in the older birds. |
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