Thushari A Gunawardana

Dr. Thushari A Gunawardana

BVSc(Peradeniya),PhD (University of Saskatchewan, Canada)
Senior Lecturer in Veterinary Pathobiology

Department of Veterinary Pathobiology,
Faculty of Veterinary Medicine & Animal Science,
University of Peradeniya,



  • Graduate Student Travel Award from the John Burgess Walkden Fund 2016 (April), Western College of Veterinary Medicine, University of Saskatchewan,
  • Graduate Student Travel Award from The Cecil.E.Doige Fund 2015 (October), Western College of Veterinary Medicine, University of Saskatchewan.
  • Best Graduate Student Poster Award , World Association of Veterinary Laboratory Diagnosticians (WALVD) 2015
  • Graduate Student English as a second language (ESL) bursary for international students for College of Graduate Studies and Research (CGSR), University of Saskatchewan Language Center, 2015 July-Aug
  • Saskatchewan Innovation and Opportunity scholarship 2014- By Saskatchewan provincial governmen
  • University of Saskatchewan Student Travel Award 2013
  • Graduate Student Travel Award from The John Burgess Walkden Fund 2013 (April), Western College of Veterinary Medicine, University of Saskatchewan.
  • University Graduate Scholarship (Non-Devolved) 2013 , nominated, selected to the reserved list and was not awarded due to limited funding, University of Saskatchewan
  • Hope Hannan Memorial scholarship -Fall awards, Westyern Collage of Veterinary Medicine, University of Saskatchewan 2012
  • Astron (Pfizer) Veterinary Scholarship for the Best Performance in First, Second & Third BVSc Examinations, Astron (Pfizer) Pvt, Ltd, Sri Lanka
  • Veterinary Pathology
    • Poultry disease pathogenesis and preventive methods
    • Thushari Gunawardana, Khawaja Ashfaque Ahmed, Kalhari Goonewardene, Shelly Popowich, Shanika Kurukulasuriya, Ruwani Karunarathana, Ashish Gupta, Betty Chow-Lockerbie, Marianna Foldvari, Suresh Tikoo, Philip Willson, and Susantha Gomis. “CpG-ODN Induces a DoseDependent Enrichment of Immunological Niches in the Spleen and Lungs of Neonatal Chicks That Correlates with the Protective Immunity against Escherichia coli”. Journal of Immunology Research, 2020.

    • Thushari Gunawardana, Khawaja Ashfaque Ahmed, Kalhari Goonewardene, Shelly Popowich, Shanika Kurukulasuriya, Ruwani Karunarathna, Ashish Gupta, Betty Chow-Lockerbie, Marianna Foldvari, Suresh K. Tikoo, Philip Willson & Susantha Gomis. "Synthetic CpG-ODN rapidly enriches immune compartments in neonatal chicks to induce protective immunity against bacterial infections." Scientific reports 9, no. 1 (2019): 341.

    • Thushari Gunawardana, Marianna Foldvari, Tara Zachar, Shelly Popowich, , Marina Vaneva Ivanova, Suresh Tikoo, Shanika Kurukulasuriya, Philip Willson, and Susantha Gomis. ‘Protection of Neonatal Broiler Chickens Following in ovo Delivery of Oligodeoxynucleotides Containing CpG Motifs (CpG-ODN) Formulated with Carbon Nanotubes or Liposomes’. Avian Diseases: March 2015, Vol. 59, No. 1, pp. 31-37.

    • Goonewardene, Kalhari, Khawaja Ashfaque Ahmed, Thushari Gunawardana, Shelly Popowich, Shanika Kurukulasuriya, Ruwani Karunarathna, Ashish Gupta et al. "Mucosal delivery of CpGODN mimicking bacterial DNA via the intrapulmonary route induces systemic antimicrobial immune responses in neonatal chicks." Scientific reports 10, no. 1 (2020): 1-17

    • Karunarathna, Ruwani, Khawaja Ashfaque Ahmed, Mengying Liu, Chenfang Yu, Shelly Popowich, Kalhari Goonewardene, Thushari Gunawardana et al. "Non-viable chicken embryos: an overlooked niche harbouring a significant source of multidrug resistant bacteria in the poultry production." International journal of veterinary science and medicine 8, no. 1 (2020): 9-17

    • Popowich, Shelly, Ashish Gupta, Betty Chow-Lockerbie, Lisanework Ayalew, Neil Ambrose, Davor Ojkic, Thushari Gunawardana et al. "Broad spectrum protection of broiler chickens against inclusion body hepatitis by immunizing their broiler breeder parents with a bivalent live fowl adenovirus vaccine." Research in veterinary science 118 (2018): 262-269

    • Shanika Kurukulasuriya, Khawaja Ashfaque Ahmed, Davor Ojkic, Thushari Gunawardana, Kalhari Goonewardene, Ashish Gupta, Betty Chow-Lockerbie, Shelly Popowich, Philip Willson, Suresh K. Tikoo, Susantha Gomis. ‘‘Modified live infectious bursal disease virus (IBDV) vaccine delays infection of neonatal broiler chickens with variant IBDV compared to turkey herpesvirus (HVT)- IBDV vectored vaccine’’ Vaccine 35, no. 6 (2017): 882-888.

    • Gupta, Ashish, Shelly Popowich, Davor Ojkic, Shanika Kurukulasuriya, Betty Chow-Lockerbie, Thushari Gunawardana, Kalhari Goonewardene et al. "Inactivated and live bivalent fowl adenovirus (FAdV8b+ FAdV11) breeder vaccines provide broad-spectrum protection in chicks against inclusion body hepatitis (IBH)." Vaccine (2017).

    • Gupta, Ashish, Khawaja Ashfaque Ahmed, Lisanework E. Ayalew, Shelly Popowich, Shanika Kurukulasuriya, Kalhari Goonewardene, Thushari Gunawardana, Ruwani Karunarathna, Davor Ojkic, Suresh K. Tikoo, Philip Willson, Susantha Gomis. "Immunogenicity and protective efficacy of virus-like particles and recombinant fiber proteins in broiler-breeder vaccination against fowl adenovirus (FAdV)-8b." Vaccine 35, no. 20 (2017): 2716-2722.

    • Goonewardene, Kalhari, Shelly Popowich, Thushari Gunawardana, Ashish Gupta, Shanika Kurukulasuriya, Ruwani Karunarathna, Betty Chow-Lockerbie, Khawaja Ashfaque Ahmed, Suresh Kumar Tikoo, Marianna Foldvari, Philip Willson and Susantha Gomis. "Intrapulmonary Delivery of CPG-ODN Micro-Droplets Provides Protection against Escherichia Coli Septicemia in Neonatal Broiler Chickens." Avian diseases 61, no. 4 (2017): 503-511.

    • Ruwani Karunarathna, Shelly Popowich, Morgan Wawryk, Betty Chow-Lockerbie, Khawaja Ashfaque Ahmed, Chenfang Yu, Mengying Liu, Kalhari Goonewardene, Thushari Gunawardana, Shanika Kurukulasuriya, Ashish Gupta, Philip Willson, Neil Ambrose, Musangu Ngeleka, and Susantha Gomis. “Increased Incidence of Enterococcal Infection in Non-Viable Broiler Chicken Embryos in Western Canadian Hatcheries as detected by Matrix Assisted Laser Desorption/Ionization-Time-of-Flight (MALDI-TOF) Mass Spectrometry”. Avian Diseases 61, no. 4 (2017): 472-480.

    • Kurukulsuriya, S., Ahmed, K.A., Ojkic, D., Gunawardana, T., Gupta, A., Goonewardene, K., Karunaratne, R., Popowich, S., Willson, P., Tikoo, S.K. and Gomis, S., 2016. ``Circulating strains of variant infectious bursal disease virus may pose a challenge for antibiotic-free chicken farming in Canada``. Research in veterinary science, 108, pp.54-59.

    • KRAIK Bandara, KDCP Kularatne, ID Silva, DDN De Silva, AMR Bandara, TA Gunawardana. ‘A CIRCULATORY FAILURE IN A DOG DUE TO IDIOPATHIC PERICARDIAL AND PLEURAL EFFUSIONS: A CASE REPORT’. A Case presentation at the Peradeniya University Research Sessions 2010. (PURSE 2010).