Tuesday 17^th of September

17:00 - 20:00 Registration and Welcome Reception - Aula Vetmeduni Vienna

 

Program: 17^th Avian Immunology Research Group Meeting lecture hall B

Wednesday 18^th of September

8.00 Registration

9.00 Welcome and opening Dieter Liebhart and Michael Hess
 

9.15 - 10.15  Keynote I - Chair: Tina Sorensen Dalgaard  

Cross-species conservation of host factors and virus evolution highlight proteins at the antiviral frontline
Andreas Pichlmair1
Institute of Virology, Technical University of Munich, Germany

 

10.15 - 11.30 Session I (Host-Pathogen Interactions I) - Chair: Tina Sorensen Dalgaard  
 

RIPLET activation of duck RIG-I and antagonism by influenza virus NS1 protein
Mirzabek Kazbekov¹, Angela Chiriankandath¹, Katharine Magor^1,2
1Department of Biological Sciences, University of Alberta, Edmonton, Canada; ²Li Ka Shing Institute of Virology, University of Alberta, Edmonton, Canada

Chicken 3D enteroids as tool to determine virulence of non-notifiable avian influenza
Kate Sutton¹, Hui-Min², Paul Digard², Sjaak de Wit³, Lonneke Vervelde^1,3
1Division of Immunology, The Roslin Institute and R(D)SVS, University of Edinburgh, UK; ²Division of Virology, The Roslin Institute and R(D)SVS, University of Edinburgh, UK; ³Research and Development, Royal GD, Deventer, The Netherlands

Elucidating divergent cellular immune responses to avian influenza in genetically distinct inbred chicken lines: a deep dive into the Harderian gland
Ying Wang¹, Emily J. Aston¹, Susan J. Lamont², Rodrigo A. Gallardo³, Hans H. Cheng⁴, Huaijun Zhou^1
1 Department of Animal Science, University of California, Davis, CA, USA; ² Department of Animal Science, Iowa State University, Ames, IA, USA; ³ School of Veterinary Medicine, University of California, Davis, CA, USA; ⁴ USDA-ARS Avian Disease and Oncology Laboratory, East Lansing, MI, USA

Do γδ T lymphocytes have an impact on infectious bursal disease pathogenesis in chickens?
Johanna Trapp¹, Sonja Härtle², Benjamin Schusser³, Silke Rautenschlein^1
1Clinic for Poultry, University of Veterinary Medicine Hannover, Hanover, Germany; ² Department for Veterinary Science, University of Munich, Munich, Germany; ³ Reproductive Biotechnology, TUM School of Life Sciences, Freising, Germany

Comparison of the pathogenicity and immune response to two A3B1 genotype infectious bursal disease virus isolates belonging to different pathotypes
Balázs Felföldi¹, Edit Walkó-Kovács¹, Tímea Tatár-Kis¹, Tamás Mató¹, Guillermo Gonzalez², István Kiss¹
Ceva Animal Health, Libourne, France²Ceva Animal Health, Budapest, Hungary;¹

 

11.30 - 12.00  Coffee Break and Poster Session 

 

12.00 - 13.00  Session II (Host-Pathogen Interactions II) - Chair: Christine Jansen  

Impact of microbial populations on the intestinal immune system
Simon Früh^1,2, Sarah Lettmann¹, Catherine Schouler ³, Thomas Göbel¹, Philippe Velge³, Sonja Härtle¹, Bernd Kaspers^1
1Department for Veterinary Sciences, Ludwig-Maximilians-Universität München, Munich, Germany; ²Institute of Virology, Freie Universität Berlin, Berlin, Germany; ³INRAE Val de Loire, Nouzilly, France

Dose-dependent interaction of lipopolysaccharide and lactobacilli-postbiotic on the transcriptome in HD11 cells
Samuel C. G. Jansseune^1,2,3, Fany Blanc², Jürgen van Baal¹, Aart Lammers^4
1Animal Nutrition Group, Department of Animal Sciences, Wageningen University & Research, Wageningen, the Netherlands; ²Université Paris‐Saclay, INRAE, AgroParisTech, GABI, Jouy‐en‐Josas, France; ³Idena, Sautron, France; ⁴Adaptation and Physiology Group, Department of Animal Sciences, Wageningen University & Research, Wageningen, the Netherlands

Pan-genome analysis of innate immune functions in a highly attenuated fowlpox vaccine strain reveals diverse immunomodulatory strategies
Efstathios S Giotis^1,2*, Steven Laidlaw³, Jason Mercer⁴, Brian J Ferguson⁵, Michael A Skinner^1
1Section of Virology, Imperial College London Faculty of Medicine, London, UK; ²School of Life Sciences, University of Essex, Colchester, UK; ³Wellcome Centre for Human Genetics, University of Oxford, Oxford, UK; ⁴Institute of Microbiology and Infection, University of Birmingham, Birmingham, UK; ⁵Department of Pathology, University of Cambridge, Cambridge, UK

Reduction in CD8⁺ cells in spleen associated with viral presence in multiple organs in SPF chickens experimentally inoculated with the novel Pegivirus alectoris
Miguel Matos¹, Sina Bagheri¹, Markus Kranzler¹, Dieter Liebhart¹, Michael Hess^1
1Clinical Centre for Population Medicine in Fish, Pig, and Poultry, Clinical Department for Farm Animals and Food System Science, University of Veterinary Medicine Vienna, Austria

 

13.00 - 14.00  Lunch

 

14.00 - 15.00  Session III (Host-Pathogen Interactions III) - Chair: Thomas Göbel  

Changes in cellular immune response in lung and spleen coincidence with pathological lesions and organ colonization of broilers and layer type chickens foll9owing experimental infection with avian pathogenic Escherichia coli
Sina Bagheri¹, Mohamed Kamal Abdelhamid¹, Hammad Ur Rehman¹, Ivana Bilic¹, Surya Paudel², Claudia Hess¹, Michael Hess¹, Dieter Liebhart^1
1Clinical Centre for Population Medicine in Fish, Pig, and Poultry, Clinical Department for Farm Animals and Food System Science, University of Veterinary Medicine Vienna, Austria; ²Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong

Tracheal transcriptional profiles of chickens vaccinated with the Vaxsafe MS live-attenuated vaccine following challenge with the virulent Australian Mycoplasma synoviae field strain 94011 V-18d
Kanishka I. Kamathewatta¹, Anna Kanci Condello¹, Pollob K. Shil¹, Amir H. Noormohammadi¹, Kelly A. Tivendale¹, Nadeeka K. Wawegama¹, Glenn F. Browning^1
1Asia-Pacific Centre for Animal Health, Melbourne Veterinary School, Faculty of Science, The University of Melbourne, Parkville, Victoria, Australia

Inflammatory response to infection with pathogenic Enterococcus cecorum
Amanda Rosenbaum¹, Silke Rautenschlein¹, Arne Jung^1
1Clinic for Poultry, University of Veterinary Medicine Hannover, Foundation, Hannover, Germany

Using ancient DNA to understand host-pathogen interactions
Steven Fiddaman¹, Laurent Frantz³, Oliver Pybus¹, Greger Larson², Adrian L Smith^1
1Departments of Biology and ²Archaeology, University of Oxford, UK; ³Faculty of Veterinary Medicine, LMU, Munich, Germany
 

15.00 - 16.00  Coffee Break and Poster Session  


18.00 - 19.00    Evening lecture at the banquet hall - Chair: Michael Hess  

How to soar with eagles when working with chickens
Georg Wick^1
1Medical University of Innsbruck, Austria

19.00 Dinner at Vetmeduni 
 

Thursday 19^th of September

9.00 - 10.00  Keynote II - Chair: Bernd Kaspers 

Songbird MHC – so similar, yet so different, to that of other birds
Helena Westerdahl^1
1Lund University, Sweden

10.00 - 11.00  Session IV (MHC and Adaptive Immunity) - Chair: Bernd Kaspers  

Promiscuous generalist and fastidious specialist MHC molecules in resistance
to infectious pathogens
Jim Kaufman^1
1Institute for Immunology and Infection Research, University of Edinburgh, United Kingdom

Probiotic-induced changes in microbial and host lipid metabolism energize immune cells
Lauren Anderson¹, Anne Ballou², Natalie Roberts¹, Matthew Koci^1
1Prestage Department of Poultry Science, North Carolina State University, Raleigh, NC, USA; ²Iluma Alliance, Durham, NC, USA

Deciphering critical signals in early chicken B-cell development
Milena Brunner¹, Catarina L. C. T. Cavaleiro¹, Tom V. L. Berghof¹, Christine Wurmser², Theresa von Heyl¹, Benjamin Schusser^1,3
1 Reproductive Biotechnology, TUM School of Life Sciences Weihenstephan, Technical University of Munich, Freising, Germany; ² Division of Animal Physiology and Immunology, TUM School of Life Sciences Weihenstephan, Technical University of Munich, Freising, Germany; ³ Center for Infection Prevention (ZIP), Technical University of Munich, Freising, Germany

Characterization of mucosa associated chicken plasma cells
Dominik von La Roche¹, Sonja Härtle^1
1LMU Munich, Department of Veterinary Sciences, Immunology Working Group, Germany


11.00 - 11.30  Coffee Break and Poster Session  


11.30 - 12.45    Session V (Evolutionary and Ecological Immunology) - Chair: Jim Kaufman  
 

Effects of prior pathogen exposure on inter-individual variability in immunity and disease in house finches
Garrett-Larsen, J. N.^1*, Pérez-Umphrey^1*, A. A, Langwig¹, K. E., Fleming-Davies², A. E. & D. M. Hawley¹¹Department of Biological Sciences, Virginia Tech, Blacksburg, VA, USA; ²Department of Biology, University of San Diego, San Diego, CA, USA ^*These authors contributed equally.


Regulation of the house finch population-specific immune responses to an evolving pathogen, Mycoplasma gallisepticum
Michal Vinkler¹*, Amberleigh E. Henschen², Nithya Kuttiyarthu Veetil¹, Balraj Melepat¹, Daniel Divín¹, Dana M. Hawley³, Rami A. Dalloul⁴, James S. Adelman²*
¹Charles University, Faculty of Science, Department of Zoology, Prague, Czech Republic; ²University of Memphis, Department of Biological Sciences, Memphis, USA; ³Virginia Tech, Department of Biological Sciences, Blacksburg, USA; ⁴University of Georgia, Department of Poultry Science, Athens, USA ^*These authors contributed equally.

Effects of early-life immune activation on behaviour in budgerigars (Melopsittacus undulatus)
Marková K.¹, Divín D.¹, Voukali E.¹, Melepat B.¹, Těšický M.¹, Veetil N. K.¹, Li T.¹, Szabó A.¹, Exnerová A., Vinkler M.^1
1Department of Zoology, Faculty of Science, Charles University, Czech Republic
 

Different immune genes show variation in strength of positive selection: genomic approach in birds
Martin Těšický^1,2,3, Wieslaw Babik⁴, Jakub Kreisinger¹, Seran Yıldız¹, Laurent Frantz³, Tomáš Albrecht^1,2, Michal Vinkler^1
1Charles University, Faculty of Science, Department of Zoology, Prague, Czech Republic; ²Institute of Vertebrate Biology, v.v.i., The Czech Academy of Sciences, Brno, Czech Republic; ³Ludwig Maximilian University of Munich, Faculty of Veterinary Medicine, Institute of Palaeoanatomy, Domestication Research and the History of Veterinary Medicine, Munich, Germany; ⁴Institute of Environmental Sciences, Faculty of Biology, Jagiellonian University, Krakow, Poland

Omission of dietary P supplements affects immune cells numbers but not function in laying hens
N. Wallauch¹, S. Schmucker¹, T. Hofmann¹, V. Sommerfeld¹, K. Huber¹, M. Rodehutscord¹, V. Stefanski^1
1Institute of Animal Science, University of Hohenheim, 70599 Stuttgart, Germany

 

12.45 - 14.00  Lunch 

 

14.00 - 15.15    Session VI (Vaccines and Immungenetics) - Chair: Michael Hess  

Cell mediated responses generated in chicken immunised with H9N2 avian influenza irradiated vaccine
Richard Thiga Kangethe¹, Alessio Bortolami², Francesco Bonfante², Giovanni Cattoli², Viskam Wijewardana^1
1Animal Production and Health Laboratory, Department of Nuclear Sciences and Applications, Joint FAO/IAEA Centre of Nuclear Techniques in Food and Agriculture, International Atomic Energy Agency (IAEA), Vienna, Austria; ²Department of Comparative Biomedical Sciences, Istituto Zooprofilattico Sperimentale delle Venezie, Legnaro, Italy
 

The French touch: feedback, challenges and prospects of vaccination against high pathogenicity influenza viruses in duck farming
Sébastien Mathieu Soubies¹, Mathilda Walch¹, Clément Castille¹, Laura Lebouteiller¹, Guillaume Croville¹, Jean-Luc Guérin^1
1IHAP, Université de Toulouse, INRAE, ENVT, Toulouse, France
 

Spatio-temporal distribution of HVT and innate immune responses following in ovo inoculation
Emma Armstrong¹, Kate Sutton¹, Ad de Groof², Jayne Hope¹, Lonneke Vervelde^1
1The Roslin Institute, The University of Edinburgh, Easter Bush Campus, Midlothian, United Kingdom; ²MSD-Animal Health, Boxmeer, Netherlands
 

Efficacy and tolerability of an mRNA vaccine expressing gB and pp38 antigens of Marek’s disease virus in chickens
Fatemeh (Darya) Fazel¹, Nitish Boodhoo¹, Ayumi Matsuyama-Kato¹, Mohammadali Alizadeh¹, Shayan Sharif^1
1Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada
 

From feather pecking to immunity: immune differences in a line selected for high and low feather pecking
Tanja Hofmann¹, Sonja Schmucker¹, Volker Stefanski^1
1Behavioral Physiology of Livestock, Institute of Animal Science, University of Hohenheim, Stuttgart, Germany

 

15.15 - 16.00  Coffee Break and Poster Session 
 

19.00  Conference Dinner in Vienna 
 

Friday 20^th of September

 

9.00 - 10.00  Keynote III - Chair: Gisela Erf  

How much diversity is in your breakfast egg? Local breed or high-performance chickens: who is more immunologically competent?
Steffen Weigend¹ and Ulrike Blohm^2
1Friedrich Loeffler Institut, Institute of Farm Animal Genetics, Neustadt-Mariensee, Germany; ²Friedrich Loeffler Institut, Institute of Immunology, Greifswald – Insel Riems, Germany
 

10.00 - 10.30  Session VII (Vaccines and Immungenetics) - Chair: Gisela Erf  

Optimising in ovo Herpesvirus of turkey (HVT) - vectored vaccines: Defining the role of the HVT vNr-13 protein in vitro in chicken embryo fibroblasts and in ovo in late stage embryonic tissues
Vishwanatha R. A. P. Reddy¹, Weicheng Li², Yaoyao Zhang², Salik Nazki^{3, 4}, Andrew J. Broadbent^{2, 5}, Yongxiu Yao², Venugopal Nair^{2, 6, 7}
School of Life Sciences, Keele University, Keele, United Kingdom; ²The Pirbright Institute, Woking, United Kingdom; ³Pandemic Sciences Institute, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom; ⁴Chinese Academy of Medical Sciences Oxford Institute, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom; ⁵Department of Animal and Avian Sciences, University of Maryland, United States of America; ⁶Jenner Institute, University of Oxford, Oxford, United Kingdom; ⁷Department of Biology, University of Oxford, Oxford, United Kingdom
 

Characterizing expression profiles of turkey immune cell populations within peripheral blood using single-cell transcriptomics
Melissa S. Monson¹, Sharu Paul Sharma², Kristen A. Byrne¹, and Crystal L. Loving^1
1USDA, ARS, National Animal Disease Center, Food Safety and Enteric Pathogens Research Unit, Ames, IA, USA; ²Iowa State University, Office of Biotechnology, Genome Informatics Facility, Ames, IA, USA
 

10.30 - 11.00  Coffee Break and Poster Session 

 

11.00 - 12.00  Session VIII (Innate Immunity) - Chair: Michal Vinkler  

Aberrant innate immune function in UCD200/206 scleroderma-prone chickens
Gisela F. Erf¹, Chrysta N. Beck¹, Jossie M. Santamaria¹, Angeline Rodriguez¹, Katee Johnson¹, Allie Bowerman^1
1University of Arkansas System Division of Agriculture, Department of Poultry Science, Fayetteville, Arkansas, USA
 

Developing cell based assays to study trained immunity in chicken NK cells
Daphne van Haarlem¹, Claudia van Hal¹, Christine Jansen^1
1Cell Biology& Immunology group, Department of Animal Sciences, Wageningen University & Research, Wageningen, The Netherlands
 

Characterization of nucleotide-binding oligomerization domain (NOD)-like receptor protein 3 (NLRP3) in chickens and its role in Marek’s disease
Janan Shoja Doost¹, Nitish Boodhoo¹, Shayan Sharif^1
1Department of Pathobiology, University of Guelph, Ontario, Canada
 

Avian interferon regulatory factors (almost) resolved
Lenka Ungrová¹, Jiří Nehyba¹,Veronika Krchlíková², Tomáš Hron¹, Bernd Kaspers³, Josef Geryk¹, Jiří Hejnar¹, Daniel Elleder^1
1Institute of Molecular Genetics of the Czech Academy of Sciences, Prague, Czech Republic; ²Institute for Medical Virology and Epidemiology of Viral Diseases, Tuebingen, German; ³ Department of Veterinary Science, Faculty of Veterinary Medicine at the Ludwig-Maximilians-University, Planegg/Martinsried, Germany

 

12.00 - 12.30  Coffee Break and Poster Session 
 

12.30  Presentation of the Poster Award, Business Meeting and conference closing 

 

DOWNLOAD THE ABSTRACT BOOK
DOWNLOAD THE ABSTRACT BOOK

POSTER: 17^th Avian Immunology Research Group Meeting

Dietary fiber supplementation and Campylobacter jejuni effects the cellular immune response in the cecum of broiler chickens
Sina Bagheri¹, Motuma Debelo¹, Dieter Liebhart¹, Claudia Hess¹, Michael Hess¹, Wageha Awad^1
1Clinical Centre for Population Medicine in Fish, Pig and Poultry, Clinical Department for Farm Animals and Food System Science, University of Veterinary Medicine, Vienna, Austria


Absolute cell count highlights the importance of CD4⁺ and CD8⁺ T cells against hepatitis-hydropericardium syndrome (HHS) challenge after vaccination with a fowl adenovirus (FAdV) chimeric fiber protein
Carlotta De Luca^1,2, Anna Schachner², Michael Hess^1,2, Dieter Liebhart¹, Taniya Mitra^1
1Clinical Centre for Population Medicine in Fish, Pig and Poultry, Clinical Department for Farm Animals and Food System Science, University of Veterinary Medicine, Vienna, Austria; ²Christian Doppler Laboratory for Innovative Poultry Vaccines (IPOV), University of Veterinary Medicine, Vienna, Austria


Characterization of a novel chicken γδ TCR specific marker
Veronika Drexel¹, Simon Früh^{1, 2}, Thomas Göbel^1
1Department of Veterinary Immunology, LMU Munich, Germany; ²Department of Veterinary Medicine, Institute of Virology, FU Berlin, Germany


In vitro immunoregulatory potential of A.galli excretory/secretory products
Feix, AS¹, Kjærup, RB¹, Premathilaka, C², Kodithuwakku, S², Fazeli, A², Dalgaard, TS^1
1Department of Animal and Veterinary Sciences, Aarhus University, Tjele, Denmark; ² ERA Chair COMBIVET, Institute of Veterinary Medicine and Animal Sciences, Estonian University of Life Science, Tartu, Estonia


Comparative immune competence analysis of three local chicken breeds
Luise Freier¹, Inga Tiemann², Josefine Stuff², Steffen Weigend³, Maryna Kuryshko⁴, Elsayed M. Abdelwhab⁴, Christian Grund⁵, Ulrike Blohm^1
1Friedrich Loeffler Institut, Institute of Immunology, Greifswald – Insel Riems, Germany; ²Institute of Agricultural Engineering, University of Bonn, Germany; ³Friedrich Loeffler Institut, Institute of Farm Animal Genetics, Neustadt-Mariensee, Germany; ⁴Friedrich Loeffler Institut, Institute of Molecular Virology and Cell Biology, Greifswald – Insel Riems, Germany; ⁵Friedrich Loeffler Institut, Institute of Diagnostic Virology, Greifswald – Insel Riems, Germany


From B cells to T cells – identification of IBDV specific T helper cells by using immunopeptidomics
Samer Halabi¹, Michael Ghosh², Maria Danysz¹, Stefan Stevanović², Hans-Georg Rammensee², Jim Kaufman¹, Sonja Härtle^3
1Institute for Immunology and Infection Research, University of Edinburgh, Edinburgh, United Kingdom; ²Department of Immunology, Institute of Cell Biology, University of Tübingen, Tübingen, Germany; ³Department of Veterinary Sciences, LMU Munich, Planegg, Germany


Inhibition of Marek’s disease virus replication and spread by 25-hydroxycholesterol and 27-hydroxycholesterol in vitro
Nitin Kamble¹, Vishwanatha R. A. P. Reddy^1,2, Ben Jackson¹, Faisal R. Anjum^1,3, Chidiebere C. Ubachukwu¹, Ajit Patil¹, Shahriar Behboudi^1,3
1The Pirbright Institute, Ash Road, Woking, United Kingdom; ²School of Life Sciences, Keele University, Keele, United Kingdom; ³Bristol Veterinary School, University of Bristol, Bristol, United Kingdom


Systemic immunomodulatory effects of phytogenic feed additives in Ascaridia galli infected layers
Kjærup, RB¹, Feix, A¹, Thamsborg, SM², Rotovnik, R², Mejer, H², Permin, A³, Dalgaard, TS^1
1Deptartment of Animal and Veterinary Sciences, Aarhus University, Tjele, Denmark; ²Deptartment of Veterinary and Animal Sciences, University of Copenhagen, Denmark; ³Værløse Dyreklinik IVS, Denmark and Unibrains IVS, Denmark


Immunomodulatory effects of Bacillus subtilis DSM 32315 and Bacillus velezensis CECT 5940 on chicken peripheral blood mononuclear cells
F. Larsberg^1,2, M. Sprechert², D. Hesse², G. Loh³, G.A. Brockmann², S. Kreuzer-Redmer^1
1Vetmeduni Vienna, Centre for Animal Nutrition and Animal Welfare Sciences, Vienna Austria; ²Humboldt-Universität zu Berlin, Albrecht Daniel Thaer-Institute, Breeding Biology and Molecular Genetics, Berlin Germany; ³Evonik Operations GmbH – Research, Development & Innovation Nutrition & Care, Hamburg, Germany


Towards flow cytometric profiling of zebra finch leukocytes
Balraj Melepat¹, Karsten Skjødt², Tina Sørensen Dalgaard³, Michal Vinkler^1
1Charles University, Faculty of Science, Department of Zoology, Prague, Czech Republic; ²University of Southern Denmark, Department of Molecular Medicine, Odense, Denmark; ³Aarhus University, Department of Animal and Veterinary Sciences, Blichers Allé, Denmark


Escherichia coli vaccination and chitin feed supplementation as alternative methods to control Ascaridia galli infection in chickens
Moosavi, M^1,2, Kjærup, RB¹, Wattrang, E³, Dalgaard, TS^1
1Department of Animal and Veterinary Sciences, Aarhus University, Tjele, Denmark; ²Department of Poultry Science at Tarbiat Modares University, Tehran, Iran; ³Department of Microbiology, Swedish Veterinary Agency, Uppsala, Sweden


Characterization of regulatory T cells in chickens
Isabell Naumann¹, Bernd Kaspers¹, Simon Früh^1,2, Thomas Göbel¹, Sonja Härtle^1
1Department for Veterinary Sciences, Ludwig-Maximilians-Universität Munich, Munich, Germany; ²Department of Veterinary Medicine, Institute of Virology, Freie Universität Berlin, Berlin, Germany


A class II system strongly expressed in intestinal epithelial cells after helminth worm infection
Aimee Parker¹, Tina Dalgaard² Jim Kaufman^3
1Quadram Institute, Norfolk, United Kingdom; ²Aarhus University, Aarhus, Denmark; ³University of Edinburgh, Edinburgh, United Kingdom


In vitro assessment of immunogenicity and metabolic activity of different gamma-irradiated Escherichia coli strains
Hammad Ur Rehman¹, Sina Bagheri¹, Mohamed Kamal Abdelhamid¹, Surya Paudel², Viskam Wijewardana³ Claudia Hess¹, Michael Hess¹, Dieter Liebhart^1
1Clinical Centre for Population Medicine in Fish, Pig, and Poultry, Clinical Department for Farm Animals and Food System Science, University of Veterinary Medicine Vienna, Austria; ²Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong; ³Animal Production and Health Laboratory, Joint FAO/IAEA Centre of Nuclear Techniques in Food and Agriculture, International Atomic Energy Agency IAEA, Vienna, Austria


Antigenic cartography analysis of chimeric recombinant IBDV strains can be used to identify hypervariable region mutations that induce broadly cross-neutralizing antibody responses against diverse strains
Vishwanatha RAP Reddy^1,2, Sofia Egana-Labrin³, Salik Nazki^1,4, Andrew Broadbent^1,3
1The Pirbright Institute, Ash Road, Woking, UK; ²School of Life Sciences, Keele University, Keele, ST5 5BG, UK; ³Department of Animal and Avian Sciences, University of Maryland, 8127 Regents Drive, College Park, Maryland, 20742, USA; ⁴Institute of Developmental and Regenerative Medicine, IMS Tetsuya Nakamura Building, Old Road Campus, University of Oxford, Oxford, UK


Suppressive effects of cyclic, environmental heat stress on the local and systemic acute inflammatory responses to lipopolysaccharide and on the circulating levels of lymphocytes in broiler chickens
Alessandro J. Rocchi¹, Jossie M. Santamaria¹, Chrysta N. Beck¹, Gisela F. Erf^1
1University of Arkansas System Division of Agriculture, Department of Poultry Science, Fayetteville, Arkansas, USA


Development of an intestinal inflammation model in poultry to apply new solutions modulating innate immunity
J. Schmeisser¹, R. Aureli¹, C. Chatelle¹, P. Jenn¹, C. Iaconis¹, E. Bacou¹, A. Leduc^1
1dsm-firmenich, Animal Nutrition and Health R&D Center, Village Neuf, France


Tenascin-C regulates B-cell migration in developing avian bursa of Fabricius
Ádám Soós¹, Emőke Szőcs¹, Viktória Halasy¹, Nándor Nagy^1
1Semmelweis University, Budapest, Hungary


Conventional dendritic cells limit infectious bronchitis virus in chicken lung
Samantha Sives¹, Emma Armstrong¹, Dominika Borowska¹, Zhiuguang Wu¹, Adam Balic^2,3, Kate Sutton^1
1Division of Immunology, The Roslin Institute and R(D)SVS, University of Edinburgh, UK: ²The Roslin Institute and Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Midlothian, UK; ³Department of Biochemistry and Pharmacology, Bio21 Molecular Science and Biotechnology Institute, The University of Melbourne, Parkville, Victoria, Australia


Characterization and ontogeny of a novel lymphoid follicle inducer cell during development of the bursa of Fabricius
Emőke Szőcs¹, Adam Balic^2,3, Ádám Soós¹, Viktória Halasy¹, Nandor Nagy^1
1Department of Anatomy, Histology and Embryology, Faculty of Medicine, Semmelweis University, Budapest, Hungary; ²The Roslin Institute and Royal (Dick) School of Veterinary Studies, The University of Edinburgh, Midlothian, UK; ³Department of Biochemistry and Pharmacology, Bio21 Molecular Science and Biotechnology Institute, The University of Melbourne, Parkville, Victoria, Australia


Immune response of γδ T cell knockout chickens after Salmonella enterica serovar Enteritidis infection
Felix Tetzlaff¹, Ulrich Methner², Benjamin Schusser³, Christian Menge¹, Angela Berndt^1
1Institute of Molecular Pathogenesis, Friedrich-Loeffler-Institute, Jena, Germany; ²Institute of Bacterial Infections and Zoonoses, Friedrich-Loeffler-Institute, Jena, Germany; ³Reproductive Biotechnology, Department of Molecular Life Sciences, School of Life Sciences Weihenstephan, Technical University Munich, Freising, Germany


The knockout of αβ T cells causes severe cytotoxic reactions in chicken – new insights into the functions of T cell subpopulations
Theresa von Heyl¹, Romina Klinger¹, Dorothea Aumann¹, Christian Zenner¹, Mohanned Alhussien¹, Antonina Schlickenrieder¹, Kamila Lengyel¹, Hanna-Kaisa Vikkula¹, Teresa Mittermair¹, Hicham Sid¹, Benjamin Schusser^1,2*
1Reproductive Biotechnology, TUM School of Life Sciences, Weihenstephan, Freising, Germany; ²Center for Infection Prevention (ZIP), Technical University of Munich, Freising, Germany


Detection and enumeration of Eimeria tenella-specific IFN-γ producing spleen cells and PBMC by ELISpot
Eva Wattrang¹, Osama Ibrahim¹, Anna Lundén^1
1Department of Microbiology, Swedish Veterinary Agency, Uppsala, Sweden


Immune responses of chickens against recombinant Salmonella enterica serotype Infantis flagellar and fimbrial proteins
Hung-Yueh Yeh¹, Jonathan G. Frye¹, Charlene R. Jackson^1
1U.S. Department of Agriculture, Agricultural Research Service, U.S. National Poultry Research Center, Athens, USA
no attandance
 

Unveiling intestinal cell diversity: a comprehensive atlas of chicken enteroids and breed-specific variances in broilers and layers
Jianxuan Sun¹, Dominika Borowska¹, Kate Sutton¹, Daniel J. Macqueen¹, Lonneke Vervelde^1,2
1The Roslin Institute, University of Edinburgh, UK; ²Research and Development, Royal GD, Deventer, The Netherlands