Dr. PAUDEL Surya

Assistant Professor
PhD, ECPVS Resident
Office Address
1A-508, Block 1, To Yuen Building, 31 To Yuen Street, City University of Hong Kong
Office Tel

Dr. Surya Paudel is an Assistant Professor (Poultry) at the Department of Infectious Diseases and Public Health, City University of Hong Kong. He is a veterinarian and obtained his PhD degree in poultry medicine from the University of Veterinary Medicine Vienna, Austria in 2015. Dr. Paudel is a resident at the European College of Poultry Veterinary Science within the European Board of Veterinary Specialization. He is also serving as a member of methodology task force for drafting “Veterinary guidelines on antimicrobial use in poultry colibacillosis” in the European Network for Optimization of Veterinary Antimicrobial Treatment (ENOVAT) programme. Previously, he worked as a postdoctoral researcher at Clinic for Poultry and Fish Medicine, University of Veterinary Medicine Vienna (2015-2022). In addition, his work experience includes conservation and management of critically endangered wildlife species, in particular, in restoring the natural population of dramatically declining vultures in South East Asia (2008-2010).

Surya Paudel is interested in research and teaching works related to all aspects of poultry health, especially in understanding host-pathogen interaction, immune response towards infections, epidemiology and prevention of diseases as well as food safety and one health.

Book chapter

Paudel, S., Hess, M., Hess, C. 2022. Advances in understanding bacterial diseases in poultry: challenges and perspective; in Optimising Poultry Flock Health. S. De Wit (editor). Burleigh Dodds Science Publishing Limited. (in press).

Peer reviewed manuscripts

Paudel, S., Fink, D., Abdelhamid, K., Zöggeler, A., Liebhart, L., Hess, M., Hess, C. 2021. 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. Avian Pathology, 50, 417-426. (DOI: 10.1080/03079457.2021.1978392).

Sachslehner, A. P., Surbek, M., Lachner, J., Paudel, S., Eckhart, L. 2021. Identification of chicken transglutaminase 1 and in situ localization of transglutaminase activity in avian skin and esophagus. Genes, 12 (10). (

Abdelhamid, M. K., Rychlik, I., Hess, C., Hatfaludi, T., Crhanova, M., Karasova, D., Lagler, J., Liebhart, D., Hess, M., Paudel, S. 2021. Typhlitis induced by Histomonas meleagridis affects relative but not the absolute Escherichia coli counts and invasion in the gut in turkeys. Veterinary Research. 52:92. (DOI: 10.1186/s13567-021-00962-6).

Rezaee, M. S., Liebhart, D., Hess, C., Hess, M., Paudel, S. 2021. Bacterial infection in chicken embryos and consequences of yolk sac constitution for embryo survival. Veterinary Pathology. 58:71-79.  (DOI: 10.1177/0300985820960127).

Abdelhamid, M. K., Quijada, N. M., Dzieciol, M., Mann-Selberherr, E., Hatfaludi, T., Liebhart, D., Hess, C., Hess, M., Paudel, S. 2020. Coinfection 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. Frontiers in Microbiology. (

Gaußmann, B., Hess, C., Grafl, B., Kovacs, M., Troxler, S., Stessl, B., Hess, M., Paudel, S. 2018. Escherichia coli isolates from femoral bone marrow of broilers exhibit diverse pheno- and genotypic characteristics that do not correlate with macroscopic lesions of bacterial chondronecrosis with osteomyelitis. Avian Pathology. 47:271-280. (

Paudel, S., Stessl, B., Fürst, C., Jandreski-Cvetkovic, D., Hess, M., Hess, C. 2018. Identical genetic profiles of Escherichia coli isolates from the gut and systemic organs of chickens indicate systemic bacterial dissemination, most likely due to intestinal destruction caused by histomonosis. Avian Diseases. 62: 300-306. (

Paudel, S., Ruhnau, D., Wernsdorf, P., Liebhart, D., Hess, M., Hess, C. 2017. Presence of Avibacterium paragallinarum and histopathological lesions corresponds with clinical signs in a coinfection model with Gallibacterium anatis. Avian Diseases. 61:335-340. (

Paudel, S., Hess, M., Hess, C. 2017. Co-infection of Avibacterium paragallinarum and Gallibacterium anatis in specific-pathogen-free chickens complicates clinical signs of infectious coryza which can be prevented by vaccination. Avian Diseases. 61:55-63.  (

Paudel, S., Stessl, B., Hess, C., Zloch, A., Hess, M. 2016. High genetic diversity among extraintestinal Escherichia coli isolates in pullets and layers revealed by a longitudinal study. BMC Veterinary Research. 12(1): 221.  (

Paudel, S., Hess, C., Wernsdorf, P., Käser, T., Meitz, S., Jensen-Jarolim, E., Hess, M., Liebhart, D. 2015. 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. Veterinary Immunology and Immunopathology. 166: 22-32. (

Paudel, S., Liebhart, D., Aurich, C., Hess, M., Hess, C. 2014. Pathogenesis of Gallibacterium anatis in a natural infection model fulfils Koch's postulates: 2. Epididymitis and decreased semen quality are the predominant effects in specified pathogen free cockerels. Avian Pathology. 43: 529-534.  (

Paudel, S., Liebhart, D., Hess, M., Hess, C. 2014. 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 specified pathogen free layers, Avian Pathology. 43:5, 443-449. (

Paudel, S., Alispahic, M., Liebhart, D., Hess, M., Hess, C. 2013. Assessing pathogenecity of Gallibacterium anatis in a natural infection model: the respiratory and reproductive tracts of chickens are targets for bacterial colonization. Avian Pathology. 42: 527-535. (DOI: 10.1080/03079457.2013.843160)