D. Liebhart

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Allocation of Interferon Gamma mRNA Positive Cells in Caecum Hallmarks a Protective Trait Against Histomonosis

M. Hess, Fana Alem Kidane, Taniya Mitra, 2018, Front. Immunol..

Unravelling the Immunity of Poultry Against the Extracellular Protozoan Parasite Histomonas meleagridis Is a Cornerstone for Vaccine Development: A Review

M. Hess, Fana Alem Kidane, Taniya Mitra, 2018, Front. Immunol..

Atypical Manifestation of Cutaneous Fowlpox in Broiler Chickens Associated with High Condemnation at a Processing Plant

M. Hess, D. Liebhart, A. Mirzazadeh, 2021, Avian Diseases.

The 60S ribosomal protein L13 is the most preferable reference gene to investigate gene expression in selected organs from turkeys and chickens, in context of different infection models

M. Hess, I. Bilic, Taniya Mitra, 2016, Veterinary Research.

Pancreatitis Is an Important Feature of Broilers Suffering from Inclusion Body Hepatitis Leading to Dysmetabolic Conditions with Consequences for Zootechnical Performance

K. Dublecz, M. Hess, D. Liebhart, 2017, Avian Diseases.

Trichomonads in birds – a review

M. Hess, I. Bilic, A. Amin, 2014, Parasitology.

Antihistomonal effects of artemisinin and Artemisia annua extracts in vitro could not be confirmed by in vivo experiments in turkeys and chickens

L. P. Christensen, J. Christensen, M. Hess, 2012, Avian pathology : journal of the W.V.P.A.

Membrane associated proteins of two Trichomonas gallinae clones vary with the virulence

M. Hess, I. Bilic, M. Gómez-Muñoz, 2019, PloS one.

Production of interferon gamma and interleukin 17A in chicken T-cell subpopulations hallmarks the stimulation with live, irradiated and killed avian pathogenic Escherichia coli.

V. Wijewardana, G. Cattoli, M. Hess, 2022, Developmental and comparative immunology.

Vaccination against the Protozoan Parasite Histomonas meleagridis Primes the Activation of Toll-like Receptors in Turkeys and Chickens Determined by a Set of Newly Developed Multiplex RT-qPCRs

M. Hess, I. Bilic, D. Liebhart, 2021, Vaccines.

Fowl aviadenovirus serotype 1 confirmed as the aetiological agent of gizzard erosions in replacement pullets and layer flocks in Great Britain by laboratory and in vivo studies

M. Hess, D. Liebhart, A. Schock, 2018, Avian pathology : journal of the W.V.P.A.

Outbreak of Cutaneous Form of Poxvirus on a Commercial Turkey Farm Caused by the Species Fowlpox

M. Hess, C. Hess, I. Bilic, 2011, Avian diseases.

Local cellular immune response plays a key role in protecting chickens against hepatitis-hydropericardium syndrome (HHS) by vaccination with a recombinant fowl adenovirus (FAdV) chimeric fiber protein

M. Hess, Sára Heidl, Carlotta De Luca, 2022, Frontiers in Immunology.

Fowl adenovirus (FAdV) fiber-based vaccine against inclusion body hepatitis (IBH) provides type-specific protection guided by humoral immunity and regulation of B and T cell response

M. Hess, Sára Heidl, Carlotta De Luca, 2020, Veterinary Research.

Selected clinical chemistry analytes correlate with the pathogenesis of inclusion body hepatitis experimentally induced by fowl aviadenoviruses

M. Hess, I. Schwendenwein, D. Liebhart, 2016, Avian pathology : journal of the W.V.P.A.

The outcome of experimentally induced inclusion body hepatitis (IBH) by fowl aviadenoviruses (FAdVs) is crucially influenced by the genetic background of the host

M. Hess, D. Liebhart, Miguel Matos, 2016, Veterinary Research.

The systemic multiplication of Gallibacterium anatis in experimentally infected chickens is promoted by immunosuppressive drugs which have a less specific effect on the depletion of leukocytes.

M. Hess, C. Hess, E. Jensen‐Jarolim, 2015, Veterinary immunology and immunopathology.

In situ hybridization to detect and localize signature cytokines of T-helper (Th) 1 and Th2 immune responses in chicken tissues.

M. Hess, I. Bilic, Fana Alem Kidane, 2016, Veterinary immunology and immunopathology.

Quantity of virulent fowl adenovirus serotype 1 correlates with clinical signs, macroscopical and pathohistological lesions in gizzards following experimental induction of gizzard erosion in broilers

M. Hess, J. Bachmeier, A. Güneş, 2013, Veterinary Research.

Broad dissemination of Histomonas meleagridis determined by the detection of nucleic acid in different organs after experimental infection of turkeys and specified pathogen-free chickens using a mono-eukaryotic culture of the parasite.

M. Hess, H. Weissenböck, E. Grabensteiner, 2006, Parasitology international.

Epidemic of cutaneous fowlpox in a naïve population of chickens and turkeys in Austria: Detailed phylogenetic analysis indicates co‐evolution of fowlpox virus with reticuloendotheliosis virus

F. Sommer, M. Hess, N. Palmieri, 2022, Transboundary and emerging diseases.

Excretion of Histomonas meleagridis following experimental co-infection of distinct chicken lines with Heterakis gallinarum and Ascaridia galli

C. Metges, M. Hess, G. Daş, 2021, Parasites & vectors.

Hepatic toxicity of artemisinin in turkeys

J. Larsen, K. Nielsen, J. Christensen, 2013 .

Campylobacter infection in chickens modulates the intestinal epithelial barrier function

A. Molnár, K. Dublecz, K. Ghareeb, 2015, Innate immunity.

Antiprotozoal activities determined in vitro and in vivo of certain plant extracts against Histomonas meleagridis, Tetratrichomonas gallinarum and Blastocystis sp.

M. Hess, N. Arshad, E. Grabensteiner, 2008, Parasitology Research.

Histomonosis in poultry: previous and current strategies for prevention and therapy*

M. Hess, D. Liebhart, T. Sulejmanović, 2017, Avian pathology : journal of the W.V.P.A.

Histomonas meleagridis--new insights into an old pathogen.

M. Hess, I. Bilic, D. Liebhart, 2015, Veterinary parasitology.

Antihistomonal effect of artemisinin and Artemisia annua extracts in experimentally infected turkeys

J. Christensen, M. Hess, C. Hess, 2012 .

A Virulent Mono-Eukaryotic Culture of Histomonas meleagridis is Capable of Inducing Fatal Histomonosis in Different Aged Turkeys of Both Sexes, Regardless of the Infective Dose

M. Hess, E. Grabensteiner, D. Liebhart, 2008, Avian diseases.

Rapid transmission of the protozoan parasite Histomonas meleagridis in turkeys and specific pathogen free chickens following cloacal infection with a mono-eukaryotic culture

M. Hess, E. Grabensteiner, D. Liebhart, 2006, Avian pathology : journal of the W.V.P.A.

Vertical transmission and clinical signs in broiler breeders and broilers experiencing adenoviral gizzard erosion

I. Prokofieva, M. Hess, A. Marek, 2012, Avian pathology : journal of the W.V.P.A.

Do we really need to reconsider coligranulomatosis (Hjärre and Wramby’s disease) in poultry?

M. Hess, D. Liebhart, 2018, Avian pathology : journal of the W.V.P.A.

A single strain of Tetratrichomonas gallinarum causes fatal typhlohepatitis in red-legged partridges (Alectoris rufa) to be distinguished from histomonosis

M. Hess, I. Bilic, P. Wernsdorf, 2014, Avian pathology : journal of the W.V.P.A.

Experimental infection of turkeys and chickens with a clonal strain of Tetratrichomonas gallinarum induces a latent infection in the absence of clinical signs and lesions.

M. Hess, A. Amin, H. Weissenböck, 2011, Journal of comparative pathology.

Identification of a new reovirus causing substantial losses in broiler production in France, despite routine vaccination of breeders

I. Prokofieva, M. Hess, I. Bilic, 2013, Veterinary Record.

A novel Chaphamaparvovirus is the etiological agent of hepatitis outbreaks in pheasants (Phasianus colchicus) characterized by high mortality

M. Hess, Sára Heidl, N. Palmieri, 2022, Transboundary and Emerging Diseases.

Pathogenesis of Gallibacterium anatis in a natural infection model fulfils Koch's postulates: 1. Folliculitis and drop in egg production are the predominant effects in specific pathogen free layers

M. Hess, C. Hess, D. Liebhart, 2014, Avian pathology : journal of the W.V.P.A.

Pathogenesis of Gallibacterium anatis in a natural infection model fulfils Koch’s postulates: 2. Epididymitis and decreased semen quality are the predominant effects in specific pathogen free cockerels

C. Aurich, M. Hess, C. Hess, 2014, Avian pathology : journal of the W.V.P.A.

Assessing pathogenicity of Gallibacterium anatis in a natural infection model: the respiratory and reproductive tracts of chickens are targets for bacterial colonization

M. Alispahic, M. Hess, C. Hess, 2013, Avian pathology : journal of the W.V.P.A.

Aerosol is the optimal route of respiratory tract infection to induce pathological lesions of colibacillosis by a lux-tagged avian pathogenic Escherichia coli in chickens

M. Hess, C. Hess, D. Fink, 2021, Avian pathology : journal of the W.V.P.A.

Presence of Avibacterium paragallinarum and Histopathologic Lesions Corresponds with Clinical Signs in a Co-infection Model with Gallibacterium anatis

M. Hess, C. Hess, D. Ruhnau, 2017, Avian Diseases.

A novel genotype of avian hepatitis E virus identified in chickens and common pheasants (Phasianus colchicus), extending its host range

M. Hess, N. Palmieri, I. Bilic, 2022, Scientific reports.

In-situ hybridization for the detection and identification of Histomonas meleagridis in tissues.

M. Hess, H. Weissenböck, D. Liebhart, 2006, Journal of comparative pathology.

Subclinical circulation of avian hepatitis E virus within a multiple-age rearing and broiler breeder farm indicates persistence and vertical transmission of the virus

I. Prokofieva, M. Hess, D. Liebhart, 2014, Avian pathology : journal of the W.V.P.A.

Outbreak of Cutaneous Form of Poxvirus on a Commercial Turkey Farm Caused by the Species Fowlpox

M. Hess, C. Hess, I. Bilic, 2011 .

Bacterial Infection in Chicken Embryos and Consequences of Yolk Sac Constitution for Embryo Survival

M. Hess, C. Hess, D. Liebhart, 2020, Veterinary pathology.

Design and validation of an oligonucleotide probe for the detection of protozoa from the order Trichomonadida using chromogenic in situ hybridization.

M. Hess, N. Dinhopl, A. Maderner, 2010, Veterinary parasitology.

An in vitro attenuated strain of Histomonas meleagridis provides cross-protective immunity in turkeys against heterologous virulent isolates

M. Hess, I. Bilic, D. Liebhart, 2016, Avian pathology : journal of the W.V.P.A.

Axenization and optimization of in vitro growth of clonal cultures of Tetratrichomonas gallinarum and Trichomonas gallinae.

M. Hess, A. Amin, E. Grabensteiner, 2010, Experimental parasitology.

Gizzard Erosion Associated with Fowl Adenovirus Infection in Slaughtered Broiler Chickens in Iran.

M. Hess, K. Asasi, N. Mosleh, 2019, Avian diseases.

Aberrant Clinical Appearance and Pathomorphology Noticed During an Outbreak of Histomonosis Indicates a Different Pathogenesis of Histomonas meleagridis Genotype 2

M. Hess, I. Bilic, D. Liebhart, 2015, Avian diseases.

Multi-Locus Typing of Histomonas meleagridis Isolates Demonstrates the Existence of Two Different Genotypes

M. Hess, I. Bilic, R. Souillard, 2014, PloS one.

Seroprevalence of Histomonas meleagridis in pullets and laying hens determined by ELISA

M. Hess, M. Windisch, D. Liebhart, 2011, Veterinary Record.

Co-infection of Chicken Layers With Histomonas meleagridis and Avian Pathogenic Escherichia coli Is Associated With Dysbiosis, Cecal Colonization and Translocation of the Bacteria From the Gut Lumen

N. M. Quijada, M. Dzieciol, E. Selberherr, 2020, Frontiers in Microbiology.

Vaccination against histomonosis prevents a drop in egg production in layers following challenge

A. Tichy, M. Hess, D. Liebhart, 2013, Avian pathology : journal of the W.V.P.A.

Safety of avirulent histomonads to be used as a vaccine determined in turkeys and chickens.

I. Prokofieva, M. Hess, M. Zahoor, 2011, Poultry science.

Escherichia coli strongly supports the growth of Histomonas meleagridis, in a monoxenic culture, without influence on its pathogenicity.

M. Hess, C. Hess, M. Glösmann, 2012, International journal for parasitology.

Riemerella anatipestifer outbreaks in commercial goose flocks and identification of isolates by MALDI-TOF mass spectrometry

D. Jandreski-Cvetkovic, M. Hess, C. Hess, 2013, Avian pathology : journal of the W.V.P.A.

An Outbreak of Pullorum Disease in a Young Layer Parent Flock in Austria Presented with Central Nervous System Signs

F. Sommer, M. Hess, C. Hess, 2020, Avian Diseases.

Typhlitis induced by Histomonas meleagridis affects relative but not the absolute Escherichia coli counts and invasion in the gut in turkeys

M. Hess, C. Hess, D. Liebhart, 2021, Veterinary Research.

Oral infection of turkeys with in vitro-cultured Histomonas meleagridis results in high mortality

M. Hess, D. Liebhart, 2009, Avian pathology : journal of the W.V.P.A.

Diagnosing Infectious Diseases in Poultry Requires a Holistic Approach: A Review

M. Hess, C. Hess, I. Bilic, 2023, Poultry.

Vaccination against histomonosis limits pronounced changes of B cells and T-cell subsets in turkeys and chickens

W. Gerner, A. Saalmüller, M. Hess, 2017, Vaccine.

In vitro attenuated Histomonas meleagridis does not revert to virulence, following serial in vivo passages in turkeys or chickens.

M. Hess, D. Liebhart, T. Sulejmanović, 2013, Vaccine.

Progression of Histomonosis in Commercial Chickens Following Experimental Infection with an In Vitro Propagated Clonal Culture of Histomonas meleagridis

M. Hess, M. Zahoor, D. Liebhart, 2011, Avian diseases.

Cloned Histomonas meleagridis passaged in vitro resulted in reduced pathogenicity and is capable of protecting turkeys from histomonosis.

M. Hess, Amarjit Singh, E. Grabensteiner, 2008, Vaccine.

Comparative investigation of IFN-γ-producing T cells in chickens and turkeys following vaccination and infection with the extracellular parasite Histomonas meleagridis.

W. Gerner, M. Hess, M. Stadler, 2020, Developmental and comparative immunology.

Spotlight on Histomonosis (blackhead disease): a re-emerging disease in turkeys and chickens

M. Hess, D. Liebhart, 2020, Avian pathology : journal of the W.V.P.A.

Aerosol vaccination of chicken pullets with irradiated avian pathogenic Escherichia coli induces a local immunostimulatory effect

V. Wijewardana, G. Cattoli, M. Hess, 2023, Frontiers in Immunology.

Experimental reproduction of histomonosis caused by Histomonas meleagridis genotype 2 in turkeys can be prevented by oral vaccination of day-old birds with a monoxenic genotype 1 vaccine candidate.

M. Hess, I. Bilic, D. Liebhart, 2022, Vaccine.

Cytokine production and phenotype of Histomonas meleagridis-specific T cells in the chicken

B. Lambrecht, W. Gerner, K. Mair, 2019, Veterinary Research.

Oral vaccination of 1-day-old turkeys with in vitro attenuated Histomonas meleagridis protects against histomonosis and has no negative effect on performance

M. Hess, M. Windisch, D. Liebhart, 2010, Avian pathology : journal of the W.V.P.A.

Progression of Histomonosis in Commercial Chickens Following Experimental Infection with an In Vitro Propagated Clonal Culture of Histomonas meleagridis

M. Hess, M. Zahoor, D. Liebhart, 2011 .

A live vaccine is safe and efficient to protect poultry against histomonosis

M. Hess, D. Liebhart, 2011 .

A comprehensive study of colisepticaemia progression in layer chickens applying novel tools elucidates pathogenesis and transmission of Escherichia coli into eggs

C. Hess, I. Bilic, M. Glösmann, 2024, Scientific reports.