Picture of Susantha Gomis

Susantha Gomis Professor and Head, Department of Veterinary Pathology (On Leave)

Administrative Leave - July 1, 2020 - June 30, 2021

Research Area(s)

  • Diseases in poultry and mammalian species

Academic Credentials

  • BVSc, University of Peradeniya, Sri Lanka, 1986
  • MVetSc, University of Saskatchewan, 1992
  • PhD, University of Saskatchewan, 1995
  • Diplomate, ACPV, 2004

Research Interests

Dr. Gomis has broad interests in basic and applied aspects of pathogenesis and control of bacterial diseases in poultry and mammalian species.


Popowich S, Gupta A, Chow-Lockerbie B, Ayalew L, Ambrose N, Ojkic D, Gunawardana T, Kurukulasuriya S, Willson P, Tikoo SK, Gomis S. Broad spectrum protection of broiler chickens against inclusion body hepatitis by immunizing their broiler breeder parents with a bivalent live fowl adenovirus vaccine. Res Vet Sci. 2018 Mar 5;118:262-269.

Abdul-Cader MS, Amarasinghe A, Palomino-Tapia V, Ahmed-Hassan H, Bakhtawar K, Nagy E, Sharif S, Gomis S, Abdul-Careem MF. In ovo CpG DNA delivery increases innate and adaptive immune cells in respiratory, gastrointestinal and immune systems post-hatch correlating with lower infectious laryngotracheitis virus infection. PLoS One. 2018 Mar 7;13(3):e0193964.

Amarasinghe A, Abdul-Cader MS, Almatrouk Z, van der Meer F, Cork SC, Gomis S, Abdul-Careem MF. Induction of innate host responses characterized by production of interleukin (IL)-1β and recruitment of macrophages to the respiratory tract of chickens following infection with infectious bronchitis virus (IBV). Vet Microbiol. 2018 Feb;215:1-10.

Gupta A, Popowich S, Ojkic D, Kurukulasuriya S, Chow-Lockerbie B, Gunawardana T, Goonewardene K, Karunarathna R, Ayalew LE, Ahmed KA, Tikoo SK, Willson P, Gomis S. Inactivated and live bivalent fowl adenovirus (FAdV8b + FAdV11) breeder vaccines provide broad-spectrum protection in chicks against inclusion body hepatitis (IBH). Vaccine. 2018 Jan 29;36(5):744-750.

Karunarathna R., Popowich S., Wawryk M., Chow-Lockerbie B., Ahmed K.A., Yu C., Liu M., Goonewardene K., Gunawardana T, Kurukulasuriya S., Gupta A., Willson P., Ambrose N., Ngeleka M., and S. 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 Dis. 2017 Dec;61(4):472-480.

Amarasinghe A, Abdul-Cader MS, Nazir S, De Silva Senapathi U, van der Meer F, Cork SC, Gomis S, Abdul-Careem MF. Infectious bronchitis corona virus establishes productive infection in avian macrophages interfering with selected antimicrobial functions. PLoS One. 2017 Aug 1;12(8):e0181801.

Daniella Calderon, Kalhari Bandara Goonewardene, Susantha Gomis,

Marianna Foldvari. Veterinary vaccine nanotechnology: Pulmonary and nasal delivery in livestock animals. Drug Deliv Transl Res. 2017 Aug;7(4):558-570.

Lisanework E Ayalew, Ashish Gupta, Jenny Fricke, Khawaja Ashfaque Ahmed, Shelly Popowich, Betty Lockerbie, Suresh K Tikoo, Davor Ojkic, Susantha Gomis. Phenotypic, genotypic and antigenic characterization of emerging avian reoviruses isolated from clinical cases of arthritis in broilers in Saskatchewan, Canada. Sci. Rep. 2017 15;7(1):3565.

Ashish Gupta, Khawaja Ashfaque Ahmed, Lisanework E Ayalew, Shelly Popowich, Shanika Kurukulasuriya, Kalhari Goonewardene, Thushari Gunawardana, Ruwani Karunarathna, Davor Ojkic, Suresh K. Tikoo, Philip Willson and Susantha Gomis.   Immunogenicity and protective efficacy of virus-like particles and recombinant fiber proteins in broiler-breeder vaccination against fowl adenovirus (FAdV)-8b. Vaccine. 2017 35: 2716–2722

Kalhari Bandara Goonewardene, Shelly Popowich, Thushari Gunwardana, Ashish Gupta, Shanika Kurukulasuriya, Ruwani Karunarathna, Betty Chow-Lockerbie, Khawaja Ashfaque Ahmed, Suresh K. 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 Dis. 2017 Dec;61(4):503-511.  

Kurukulasuriya s, Ahmed KA, Ojkic D, Gunawardana T, Goonewardene K, Gupta A, Chow-Lockerbie B, Popowich S, Willson P, Tikoo SK and Gomis S.  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. 2017 35(6):882-888.

Kurukulsuriya S, Ahmed KA, Ojkic D, Gunawardana T, Gupta A, Goonewardene K, Karunaratne R, Popowich S, Willson P, Tikoo SK, Gomis S. Circulating strains of variant infectious bursal disease virus may pose a challenge for antibiotic-free chicken farming in Canada. Res Vet Sci. 2016 Oct;108:54-9. 

Martinez EC, Garg R, Shrivastava P, Gomis S, van Drunen Littel-van den Hurk S.

Intranasal treatment with a novel immunomodulator mediates innate immune protection against lethal pneumonia virus of mice. Antiviral Res. 2016 Nov;135:108-119.

Tara Zachar, Shelly Popowich, Bob Goodhope, Tennille Knezacek, Davor Ojkic, Philip Willson, Khawaja Ashfaque Ahmed and Susantha Gomis. A five year study on the incidence and economic impact of variant infectious bursal disease viruses on broiler production in Saskatchewan, Canada. Canadian Journal of Veterinary Research. Can J Vet Res. 2016 Oct;80(4):255-261. 

Shrivastava P, Sarkar I, Atanley E, Gomis S, van Drunen Littel-van den Hurk S. IL-12p40 gene-deficient BALB/c mice exhibit lower weight loss, reduced lung pathology and decreased sensitization to allergen in response to infection with pneumonia virus of mice. Virology. 2016 Jul 8;497:1-10.

Leis ML, Dodd MU, Starrak G, Vermette CJ, Gomis S, Bauer BS, Sandmeyer LS, Schwean-Lardner K, Classen HL, Grahn BH. Effect of prolonged photoperiod on ocular tissues of domestic turkeys. Vet Ophthalmol. 2016 Jun 15. 1-10.

Vermette C, Schwean-Lardner K, Gomis S, Grahn BH, Crowe TG, Classen HL. The impact of graded levels of day length on turkey health and behavior to 18 weeks of age. Poult Sci. 2016 Jun 1;95(6):1223-37.

Vermette C, Schwean-Lardner K, Gomis S, Crowe TG, Classen HL. The impact of graded levels of day length on turkey productivity to eighteen weeks of age. Poult Sci. 2016 May;95(5):985-96.

Shrivastava P, Atanley E, Sarkar I, Watkiss E, Gomis S, van Drunen Littel-van den Hurk S. Blunted inflammatory and mucosal IgA responses to pneumonia virus of mice in C57BL/6 neonates are correlated to reduced protective immunity upon re-infection as elderly mice. Virology. 2015 Aug 19;485:233-243.

Keyvan Amini, Tara Zachar, Shelly Popowich, Tennille Knezacek, Bob Goodhope, Philip Willson, Susantha Gomis. Association of increased rate of condemnation of broiler carcasses due to hepatic abnormalities with immunosuppressive diseases in the broiler chicken industry in Saskatchewan.  Can J Vet Res. 2015 Oct;79(4):261-7. 

Gunawardana T., M. Foldvari, T. Zachar, S. Popowich, B. Lockerbie, M. Ivanova, S. Tikoo, S. Kurukulasuriya, P. Willson, and S. Gomis. Protection of neonatal broiler chickens following in ovo injection of oligodeoxynucleotides containing CpG motifs (CpG-ODN) formulated with carbon nanotubes or liposomes. Avian Diseases, 59:31-37, 2015.