Yasodha I. Basnayake, Isuru B. Wijewickrama, Thilini Nisansala, Pavithra Dhanapala, Yasodhara D. Gunasekera, Nihal P. D. Bamunusinghage, Niromi K. Jayasekera, Anil W. Kalupahana, Ruwani S. Kalupahana, Ayona Silva-Fletcher, Sanda A. Kottawatta Profiling of antimicrobial resistance (AMR) and multidrug resistance (MDR) of Escherichia coli isolates from livestock, wild animals and an ornamental fish farm in Polgahawela, Sri Lanka. Sri Lanka Veterinary Journal, (2023) 70(2): 9-21. https://doi.org/10.4038/slvj.v70i2.79

Bandara R.M.P.A, Ananda K.L.N, Jayawardana N.U, Kalupahana A.W, Jagoda S.S.S.de S. Prevalence of multi-drug resistance and the diversity of integrons in Pseudomonas spp. isolated from apparently healthy freshwater food fish and their farming environments in the central province of Sri Lanka. Book of abstracts of the National Aquatic Resources Research and Development Agency (NARA) Scientific Sessions 2023, Page 6. Held on 13th December 2023.

D.M.Y. Sathsarani, K.L.N. Ananda, G.V.T. Ananda, S.S.S. de S. Jagoda, A.W. Kalupahana Investigating the prevalence and molecular detection of Megalocytivirus in ornamental fish in family Osphronemidae. Book of abstracts of the National Aquatic Resources Research and Development Agency (NARA) Scientific Sessions 2023, Page 30. Held on 13th December 2023.

S.A.S. Indunika, T.S. Nuwandhika, P.G.A.S. Palkumbura, R.R.M.K.K. Wijesundera, T.A. Gunawardana, A.W. Kalupahana The impact of inclusion body hepatitis (IBH) virus on immune organs (bursa of fabricius, spleen, and thymus) of broiler chickens in Sri Lanka. Proceedings of the Postgraduate Institute of Science (PGIS) Research Congress 2023, Sri Lanka: 4th and 5th November, 2023. Page 86.

S.A.S. Indunika, P.G.A.S. Palkumbura, R.R.M.K.K. Wijesundera, T.A. Gunawardena, A.W. Kalupahana Molecular confirmation of gross pathological changes in the liver caused by inclusion body hepatitis virus in broiler chickens in Sri Lanka. Book of abstracts of the 12th annual conference and scientific sessions of Sri Lankan society for microbiology (SSM) 2023 Vol 11: 22. Held on 27th October 2023. Sri Lanka Journal of Infectious Diseases 2023, Vol 13 (Supplement) S5

K.L.N. Ananda, A.W. Kalupahana, S.H.N.P. de Silva, S.S.S. de S. Jagoda Occurrence of non-tuberculous Mycobacteria in Guppy (Poecilia reticulata) collected from ornamental fish farms in the Western, North Western and Central provinces of Sri Lanka. Book of abstracts of the 12th annual conference and scientific sessions of Sri Lankan society for microbiology (SSM) 2023 Vol 11: 17. Held on 27th October 2023. Sri Lanka Journal of Infectious Diseases 2023, Vol 13 (Supplement) S5

D.M.Y. Sathsarani, K.L.N. Ananda, S.S.S. de S. Jagoda, A.W. Kalupahana Detection of Megalocytivirus in Gourami fish in Gampaha district. Proceedings of the 3rd undergraduate research symposium, Faculty of Veterinary Medicine and Animal Science, University of Peradeniya 25th September and 5th October 2023, Vol 3, page 105.

M.R.M. Gunasena, K.L.N. Ananda, A.W. Kalupahana, S.S.S. de S. Jagoda Molecular detection of Megalocytivirus in live bearing tropical fresh water ornamental fish. Proceedings of the 3rd undergraduate research symposium, Faculty of Veterinary Medicine and Animal Science, University of Peradeniya 25th September and 5th October 2023, Vol 3, page 103.

S.P. Chandrasekara, S.A.S. Indunika, A.W. Kalupahana, T.A. Gunawardena Molecular detection of Chicken Anaemia Virus (CAV) in Inclusion Body Hepatitis (IBH) infected broilers in the Kurunegala district, Sri Lanka. Proceedings of the 3rd undergraduate research symposium, Faculty of Veterinary Medicine and Animal Science, University of Peradeniya 25th September and 5th October 2023, Vol 3, page 46.

G.V.T. Ananda, B.M.Y.I. Basnayake, S.S.S. de S. Jagoda, A.W. Kalupahana Detection of Infectious Laryngotracheitis virus in commercial layer and broiler farms in Kurunegala and Kandy districts. Proceedings of the 3rd undergraduate research symposium, Faculty of Veterinary Medicine and Animal Science, University of Peradeniya 25th September and 5th October 2023, Vol 3, page 45.

K.L.N. Ananda, A.W. Kalupahana, S.H.N.P.de Silva, S.S.S. de S. Jagoda Detection of Megalocytivirus in Guppy (Poecilia reticulata) in the Western, North-Western and Central provinces of Sri Lanka. Proceedings of Peradeniya University International Research Sessions (iPURSE), 20th and 21st September 2023, Vol 24, Page 117.

S.P. Chandrasekara, S.A.S. Indunika, P.G.A.S. Palkumbura, A.W. Kalupahana, T.A. Gunawardena Circulation of Chicken Anaemia virus among poor-performing broiler flocks in Kurunegala district. Proceedings of Peradeniya University International Research Sessions (iPURSE), 20th and 21st September 2023, Vol 24, Page 43.

S.A.S. Indunika, P.G.A.S. Palkumbura, T.A. Gunawardena, R.R.M.K.K. Wijesundera, A.W. Kalupahana Serotyping of Fowl Adenoviruses associated with inclusion body hepatitis (IBH) in broiler chickens in North-Western and Central provinces of Sri Lanka. Proceedings of Peradeniya University International Research Sessions (iPURSE), 20th and 21st September 2023, Vol 24, Page 39.

D.S.G. De Silva, K.L.N. Ananda, J.A.S Lakmal, R.M.N.P.K. Ranathunga, A. W. Kalupahana R. R. M. K. K. Wijesundera, N.M.T. Anupama, S. S. S. de S. Jagoda High Occurrence of Enterocytozoon hepatopenaei in Whiteleg Shrimp (Litopenaeus vannamei) sampled from the slow growth ponds from Puttalam District of Sri Lanka. Book of abstracts of the 75th annual scientific sessions of the Sri Lankan Veterinary Association 2023: page 67. Held on 15th September 2023, The Grand Kandyan Hotel, Kandy.

H.D.S. Hewapathirana, S. Kabilan, M.G.T.M. Prasadinie, E. Rajapaksha, A.W. Kalupahana, K.A.N. Wijayawardhane, D.D.N. de Silva, H.M.,S. Wijekoon Effectiveness of autologous platelet rich plasma in treating osteoarthritis in dogs- A case series. Book of abstracts of the 75th annual scientific sessions of the Sri Lankan Veterinary Association 2023: page 66. Held on 15th September 2023, The Grand Kandyan Hotel, Kandy.

H.A.R. De Zoysa, M.N.M. Fouzi, K.L.N. Ananda, A.W. Kalupahana, M.R. Perrott, S.S.S. de S. Jagoda Occurrence of Koi Sleepy Disease (KSD) in Koi sold in local aquaria in Sri Lanka: Silent spread of an emerging disease. Book of abstracts of the 75th annual scientific sessions of the Sri Lankan Veterinary Association 2023: page 47. Held on 15th September 2023, The Grand Kandyan Hotel, Kandy.

K.L.N. Ananda, A.H.K.DE.S. Wijayawickrama, R.M.N.P.K. Ranatunga, N.M.T. Anupama, A.W. Kalupahana, S.S.S. de S. Jagoda An improved DNA extraction method for the PCR detection of Microsporidium parasite Enterocytozoon hepatopenaei in shrimp feces samples. Book of abstracts of the 75th annual scientific sessions of the Sri Lankan Veterinary Association 2023: page 41. Held on 15th September 2023, The Grand Kandyan Hotel, Kandy.

Bandara R.M.P.A., Ananda K.L.N., Jayawardana N.U., Kalupahana A.W., Jagoda S.S.S.de S. The occurrence of antimicrobial resistance and class-1 integrons among Pseudomonas spp. isolated from freshwater food fish, aquarium fish and their farming environment in Sri Lanka. First Research Conference on AMR/AMU in Food Animals in the Asia-Pacific Region. 6th to 8th February, 2023. Programme and book of abstract Page 43.

B.M.Y.I. Basnayake, G.G.T. Nisansala, P.I.J.B. Wijewickrama, U.S. Weerathunga, K.W.M.Y.D. Gunasekera, D.B.N. Pushpakumara, N.K. Jayasekera, A.W. Kalupahana, R.S. Kalupahana, A. Silva-Fletcher, K.S.A. Kottawatta Extent of antimicrobial resistance (AMR) in an ecosystem with organized livestock farming in Sri Lanka. International congress on infectious diseases 2022 organized by the International Society for Infectious Diseases (ISID), Held from 17-20 November 2022 at Kuala Lumpur, Malaysia. International Journal of Infectious Diseases (2023) 130: S12. Received Bill & Melinda Gates Foundation Professional Development Award 2022 for this work.

Gunasekara K.W.M.U.P., Kalupahana A.W., Gunasekera Y.D., Kalupahana R.S., Silva-Fletcher A., Knowledge, Attitudes and Practices (KAP) of backyard poultry keepers on management practices and biosecurity in the Western Province of Sri Lanka. GCRF UKRI One health poultry hub third conference, Dhaka, Bangladesh. 2022: Page 15. Held on 25th to 27th October, 2022.

S.A.S. Indunika, P.G.A.S. Palkumbura, R.R.M.K.K. Wijesundera, T.A. Gunawardena, A.W. Kalupahana, Molecular evidence for the presence of inclusion body hepatitis virus among broiler farms in Kurunagala district of Sri Lanka. Book of abstracts of the 74th annual scientific sessions of the Sri Lankan Veterinary Association 2022: page 37. Held on 21st October 2022, Amaya Hills, Kandy.

B.M.Y.I. Basnayake, G.G.T. Nisansala, P.I.J.B. Wijewickrama, K.W.Y.D. Gunasekera, D.B.N. Pushpakumara, N.K. Jayasekera, A.W. Kalupahana, R.S. Kalupahana, A. Silva-Fletcher, K.S.A. Kottawatta Prevalence and predominant phenotypes of multi drug resistant Escherichia coli in livestock, wild animals and associated environment in Kosgama, Sri Lanka. Book of abstracts of the 74th annual scientific sessions of the Sri Lankan Veterinary Association 2022: page 16. Held on 21st October 2022, Amaya Hills, Kandy.

K.L.N. Ananda, D.L.D.A. Lakshan, S.H.N.P. de Silva, A.W. Kalupahana, S.S.S. de S. Jagoda In vitro evaluation of the antimicrobial activity of Lacticaseibacillus rhamnosus against selected bacterial pathogens of veterinary importance. Book of abstracts of the 74th annual scientific sessions of the Sri Lankan Veterinary Association 2022: page 10. Held on 21st October 2022, Amaya Hills, Kandy.

R.M.I.M. Rathnayake, N. De Silva, S.S.S. de S. Jagoda, A.W. Kalupahana Phylogenetic analysis of infectious laryngotracheitis virus detected in selected commercial poultry layer flocks. Book of abstracts of the 74th annual scientific sessions of the Sri Lankan Veterinary Association 2022: page 2. Held on 21st October 2022, Amaya Hills, Kandy.

B.M.Y.I. Basnayake, P.I.J.B. Wijewickrama, G.G.T. Nisansala, K.W.M.Y.D. Gunasekera, D.M.P.M. Dhanapala, D.B.N. Pushpakumara, N.K. Jayasekera, A.W. Kalupahana, R.S. Kalupahana, A. Silva-Fletcher, K.S.A. Kottawatta Prevalence of multi-drug resistant Escherichia coli in an ecosystem with mixed livestock and wild animals in Sri Lanka. Book of abstracts of the 11th annual conference and scientific sessions of Sri Lankan society for microbiology (SSM) 2022 Vol 10: 22. Held on 21st October 2022.

R.M.I.M. Rathnayake, N. De Silva, A.W. Kalupahana First aetiological evidence of infectious laryngotracheitis virus in Sri Lanka. Book of abstracts of the 11th annual conference and scientific sessions of Sri Lankan society for microbiology (SSM) 2022 Vol 10: 20. Held on 21st October 2022.

D.M.P.M. Dhanapala, K.L.N. Ananda, R.S. Kalupahana, A.W. Kalupahana, A. Silva-Fletcher, S.S.S. de S. Jagoda Occurrence of multi-drug resistant Pseudomonas species in freshwater ornamental fish and associated aquatic environment in Sri Lanka. Book of abstracts of the 11th annual conference and scientific sessions of Sri Lankan society for microbiology (SSM) 2022 Vol 10: 18. Held on 21st October 2022.

T.A. Gunawardena, A.W. Kalupahana, R.M.N.P.K. Ranathunga, J.M. Asoka, R.R.M.K.K. Wijesundera, N.M.T. Anupama, S.S.S. de S. Jagoda First report on Enterocytozoon hepatopenaei (EHP) infection in Pacific whiteleg shrimp (Litopenaeus vennamei) cultured in Sri Lanka. National Aquatic Resources Research and Development Agency (NARA) Scientific Sessions 2022. Held on 21st October 2022.

Wijesena N.A.R.P., Kalupahana A.W., Detection of Newcastle disease antibody in poultry serum by the hemagglutination inhibition test. Proceedings of the 2nd undergraduate research symposium, Faculty of Veterinary Medicine and Animal Science, University of Peradeniya 28th June 2022, Vol 2, page 47

Gunasekara H.P.D.C.E., Kalupahana A.W., Application of the PCR technique to detect canine parvo virus in fecal samples. Proceedings of the 2nd undergraduate research symposium, Faculty of Veterinary Medicine and Animal Science, University of Peradeniya 28th June 2022, Vol 2, page 18

Kaushalya R.A.U., Rathnayake R.M.I.M., Kalupahana A.W., Molecular detection of infectious bronchitis virus in poultry. Proceedings of the 2nd undergraduate research symposium, Faculty of Veterinary Medicine and Animal Science, University of Peradeniya 28th June 2022, Vol 2, page 10

Tabitha E. Hoornweg, Vijitha. Hoornweg, Vijitha P. Perera, Roshan N.S. Karunarathne, Willem Schaftenaar, Thilini A.N. Mahakapuge, Anil W. Kalupahana, Victor P.M.G. Rutten, Cornelis A.M. de Haan Young elephants in a large herd maintain high level of elephant endotheliotropic herpesvirus-specific antibodies and do not succumb to fatal haemorrhagic disease. Transbound Emerg Dis 2022: 1-7 DOI: 10.1111/tbed.14644

B.M.Y.I. Basnayake, G.G.T. Nisansala, P.I.J.B. Wijewickrama, K.W.M.Y.D. Gunasekera, N.K. Jayasekera, A.W. Kalupahana, R.S. Kalupahana, A. Silva-Fletcher, K.S.A. Kottawatta Prevalence of antimicrobial resistance and extended spectrum beta lactamase (ESBL) encoding genes in Escherichia coli from chicken feces: evidence from a cross sectional study conducted using a set of organized chicken farms in Sri Lanka. Presented at the Antimicrobial Resistance – Genomes, Big Data and Emerging Technologies 2022 conference in UK. 27-29 April 2022. Organized by Wellcome Connecting Science, Hinxton, Cambridgeshire, CB10 1SA.

Surangi Wijekoon, Niranjala de Silva, Danushka Hewapathirana, Kabilan Seynthan, A.W. Kalupahana, K.A.N. Wijayawardhane Platelet rich plasma; a novel regenerative therapeutic in companion animal medicine in Sri Lanka. Poster presentation at the First Peradeniya University Research Excellence Showcase (PURES), 23rd March 2022, Joint Research and Demonstration Center for Water technology, Sri Lanka.

Tabitha E. Hoornweg, Vijitha. Hoornweg, Vijitha P. Perera, Roshan N.S. Karunarathne, Willem Schaftenaar, Thilini A.N. Mahakapuge, Anil W. Kalupahana, Victor P.M.G. Rutten, Cornelis A.M. de Haan Young elephants in a large herd maintain high level of elephant endotheliotropic herpesvirus-specific antibodies and do not succumb to fatal haemorrhagic disease. Abstract publication and oral presentation, 2022 Global EEHV symposium, January 25-27, 2022.

B.M.Y.I. Basnayake, G.G.T. Nisansala, P.I.J.B. Wijewickrama, K.W.M.Y.D. Gunasekara, N.K. Jayasekera, A.W. Kalupahana, R.S. Kalupahana, A. Silva-Fletcher, K.S.A. Kottawatta Investigation of antimicrobial resistance in Escherichia coli isolated from soil and water at Kosgama Sri Lanka. Presented at “Let’s protect Sri Lankan Biodiversity” the Rufford foundation second in-country conference – Sri Lanka. Organized by Bio Conservation Society Sri Lanka (BCSL), 27th to 29th January, 2022 at Oak Ray Regency, Deveni Rajasinghe Mawatha, Kandy.

Kalupahana A.W., Budhia S., Kalupahana R.S., Blacklaws B.A., Analysis of T cell receptor  variable (TCR V) region gene expression in sheep with maedi-visna virus (MVV) infection. Proceedings of the Peradeniya University Research Sessions, Sri Lanka. Vol 10, 2005.

Matibag G.C., Kamigaki T., Kumarasiri P.V.R., Wijewardana T.G., Kalupahana A.W., Dissanayake D.R.A., De Silva D.D.N., Gunawardena G.S.P.De.S., Obayashi Y., Kanda K., Tamashiro H., Knowledge, attitudes, and practices survey of rabies in a community in Sri Lanka. Environmental Health and Preventive Medicine, 2007 Vol 12(2): 84-89

Kalupahana A.W. A review on zoonotic disease situation in Sri Lanka. Proceedings of the 2nd international symposium on infectious diseases and health sciences. Post Graduate Institute of Science, University of Peradeniya, Sri Lanka. 26th- 27th July 2007. Page 36-39.

Kalupahana A.W., Pushpakumara P.G.A., Kalupahana R.S., Application of PCR based molecular diagnostic technique for the detection of Bovine Herpes Virus-1 antigen in cattle semen. Proceedings of the 60th Scientific Sessions of the Sri Lanka Veterinary Association, 2008 l 55: 27.

Matibag G.C., Ditangco R.A., Kamigaki T., Wijewardana T.G., Kumarasiri P.V.R., Kalupahana A.W., Dissanayake D.R.A., De Silva D.D.N., Gunawardena G.S.P.De.S., Obayashi Y., Kanda K., Tamashiro H., Community-based evaluation of health-seeking behaviour of people with animal bite injuries in a district of Sri Lanka. Journal of International Health, 2008 Vol 23(3): 173-179

Kalupahana A.W., De Silva, D.P.N., Application of polymerase chain reaction (PCR) technique to detect Koi Herpes Virus (KHV) infection in carps. Proceedings of the Peradeniya University Research Sessions, 2009, Sri Lanka. Vol 14, Part 1, Page 68-69.

Wijewardana T.G., Arulkanthan A., Gunawardena G.S.P.De S., Dissanayake D.R.A., Kalupahana A.W., Jagoda S.S.S.De S., Laboratory procedures for fish disease diagnosis. Published by centre for aquatic animal disease diagnosis and research (CAADDR). Chapter 8 Virology, 2009, ISBN 978-955-0185-00-9.

Kamathewatta, K.I., Salgadu, M.A., Ananthakumar, N., Bandara, T.P.M.S.D., Ariyarathna, H.S., Kalupahana, A.W., Jinadasa, H.R.N., Detection of canine parvo virus (CPV) in a selected sample of dogs in Sri Lanka by PCR. Book of abstracts of the third annual conference and scientific sessions of Sri Lankan society for microbiology (SSM) 2014 Vol 2: 43

Premalal, T.W.K., Fuward R.M., Kalupahana, A.W.,Jinadasa, H.R.N., Rapid detection of canine parvovirus by PCR in dogs with gastroenteritis. Book of abstracts of the fifth annual conference and scientific sessions of Sri Lankan society for microbiology (SSM) 2016 Vol 4: 4.

Kalupahana AW., (2017) Characterization of orthoreoviruses isolated from American crow (Corvus brachyrhynchos) winter mortality events in eastern Canada. 2017. On line published PhD thesis, University of Prince Edward Island, Canada. Available at

Kalupahana A.W., Kibenge M.J.T., Ojkic D., Wadowska D., McBurney S., Kibenge F.S.B., Orthoreoviruses isolated from incidents of wild bird mortality in eastern Canada. 2017 Genebank submission Accession Nos. MF350293-MF350297.

Rathnayake S.P., Weeraddana G., Mutusinghe D., Yoshimatsu K., Arikawa J., Gamage C.D., Kalupahana A.W. Sero-epidemiological survey of hantavirus infection among rodents captured in Kandy and Peradeniya areas in Sri Lanka. Proceedings of the 70th Annual Scientific Session of the Sri Lanka Veterinary Association, 2018. Sri Lanka Vet. J. 2018,65(2): 51.

Rathnayake R.M.I.M., Dhanapala D.M.P.M., Jagoda S.S.S. De S., Kalupahana A.W. Detection of megalocytivirus from a freshwater giant gourami (Osphronemus gouramy) in Sri Lanka. Proceedings of the 71st Annual Scientific Session of the Sri Lanka Veterinary Association, 2019.

Rathnayake S.P., Udayanga N.W.B.A.L., Gunathilaka P.A.D.H.N., Kalupahana A.W. Prevalence of animal bite injuries reported to base hospital Kayts, Northern Province of Sri Lanka and health seeking behaviour of patients: a retrospective cohort study. Proceedings of the 71st Annual Scientific Session of the Sri Lanka Veterinary Association, 2019.

de Silva N., Kalupahana A.W. Diagnosis of helicopter chick disease caused by avian orthoreovirus in a large broiler farm in the North western province of Sri Lanka. Proceedings of the 71st Annual Scientific Session of the Sri Lanka Veterinary Association, 2019.

Kibenge F.S.B., Wang Y., Kibenge M.J.T., Kalupahana A., McBurney S., Avian Virology. Chapter 6 – Avian Reovirus. Page 175-206. Caister Academic Press, UK. 2019. ISBN 978-1-912530-10-6

R.M.I.M. Rathnayake and A.W. Kalupahana. Infectious bursal disease – A review. Sri Lanka Vet. J. 2019, 66(2): 1-11.

R.M.I.M. Rathnayake, N. De Silva, A.W. Kalupahana. Two incidents of infectious bursal disease in small holder poultry layer farms despite vaccination. Presented at the 19th Annual Scientific Session of the World Poultry Science Association Sri Lanka branch held on 7th May 2021.

Rasika Jinadasa, Sayani Ghosh, Simon Hills, Thushini Premalal, Ushani Atapattu, Manohari Fuward, Wasantha Kalupahana, Magdalena Dunowska. Genomic variability of canine parvovirus from a selected population of dogs and cats in Sri Lanka. Pathogens 2021, 10: 1102

D.P.H. Wijesekera, W.D.M. Perera, G.D.R.K. Perera, S.S.S. de S. Jagoda, A.W. Kalupahana. Morphological identification of fungi isolated from poultry layer feed in the North-Western Province of Sri Lanka. Proceedings of the 73rd Annual Scientific Session of the Sri Lanka Veterinary Association, 2021.

B.M.Y.I. Basnayake, G.G.T. Nisansala, P.I.J.B. Wijewickrama, U.S. Weerathunga, N.K. Jayasekera, A.W. Kalupahana, R.S. Kalupahana, A. Silva-Fletcher, K.S.A. Kottawatta. Investigation of antimicrobial resistance in Escherichia coli isolated from wild animals at Hambegamuwa: Sri Lanka. Proceedings of the 73rd Annual Scientific Session of the Sri Lanka Veterinary Association, 2021.

D.M.P.M. Dhanapala, R.S. Kalupahana, A.W. Kalupahana, D.P.H. Wijesekera, K.S.A. Kottawatta, N.K. Jayasekera, A. Silva-Fletcher, S.S.S. de S. Jagoda. High occurrence of multi-drug resistance among Gram-negative bacterial pathogens in freshwater ornamental fish. Proceedings of the 73rd Annual Scientific Session of the Sri Lanka Veterinary Association, 2021.

R.M.I.M. Rathnayake, R.M.N.P.K. Ranathunga, A.W. Kalupahana, G.S.P.de S. Gunawardena, S.S.S. de S. Jagoda. Parasitic Dinoflagellate, Hematodinium spp. as a cause of heavy mortality in cultured mud crab (Scylla serrata) in Sri Lanka. Proceedings of the 73rd Annual Scientific Session of the Sri Lanka Veterinary Association, 2021.

D.M.P.M. Dhanapala, R.M.I.M. Rathnayake, D.M.S.G. Dissanayaka, R.R.M.K.K. Wijesundera, A.W. Kalupahana, S.S.S. de S. Jagoda. Detection of infectious spleen and kidney necrosis virus (ISKNV) infection in freshwater ornamental fish from two provinces of Sri Lanka. Proceedings of the 73rd Annual Scientific Session of the Sri Lanka Veterinary Association, 2021.

R.M.I.M. Rathnayake, D.M.P.M. Dhanapala, K.L.N. Ananda, A.W. Kalupahana, S.S.S. de S. Jagoda. A retrospective analysis of ornamental fish submissions to a University-based fish disease diagnostic laboratory. Proceedings of the 73rd Annual Scientific Session of the Sri Lanka Veterinary Association, 2021.

R.M.I.M. Rathnayake, S.S.S. de S. Jagoda, A.W. Kalupahana. Phylogenetic analysis of infectious bursal disease virus isolated from three provinces of Sri Lanka. Book of abstracts of the 10th annual conference and scientific sessions of Sri Lankan society for microbiology (SSM) 2021 Vol 9: 18.

Pavithra M. Dhanapala, Ruwani S. Kalupahana, Anil W. Kalupahana, D.P.H. Wijesekera, Sanda A. Kottawatta, Niromi K. Jayasekera, Ayona Silva-Fletcher, S.S.S. de S. Jagoda. Characterization and antimicrobial resistance of environmental and clinical Aeromonas species isolated from fresh water ornamental fish and associated farming environment in Sri Lanka. Microorganisms 2021, 9, 2106.

R.M.I.M. Rathnayake, A.W. Kalupahana. Molecular detection of lumpy skin disease virus in Sri Lanka – First report. Proceedings of Peradeniya University International Research Sessions, 2021, Sri Lanka. Vol 23, Page 191.

D.M.P.M. Dhanapala, R.S. Kalupahana, A.W. Kalupahana, D.P.H. Wijesekera, K.S.A. Kottawatta, N.K. Jayasekera, A. Silva-Fletcher, S.S.S. de S. Jagoda. Antimicrobial resistance of Aeromonas spp. isolated from freshwater ornamental fish farming environment in Sri Lanka. Proceedings of Peradeniya University International Research Sessions, 2021, Sri Lanka. Vol 23, Page 327.

B.M.Y.I. Basnayake, G.G.T. Nisansala, P.I.J.B. Wijewickrama, U.S. Weerathunga, K.W.M.Y.D. Gunasekara, N.K. Jayasekera, A.W. Kalupahana, R.S. Kalupahana, A. Silva-Fletcher, K.S.A. Kottawatta. Understanding the diversity of antimicrobial resistance among wild animals, livestock and associated environment in a rural ecosystem in Sri Lanka. International Journal of Medical and Health Sciences 2021, Vol 15(5).

B.M.Y.I. Basnayake, G.G.T. Nisansala, P.I.J.B. Wijewickrama, K.W.M.Y.D. Gunasekara, N.K. Jayasekera, A.W. Kalupahana, R.S. Kalupahana, A. Silva-Fletcher, K.S.A. Kottawatta. Investigation of antimicrobial resistance in Escherichia coli isolated from soil and water at Kosgama Sri Lanka. Presented at the Rufford foundation second in-country conference – Sri Lanka. Organized by Bio Conservation Society Sri Lanka (BCSL), 27th to 29th January, 2022 at Oak Ray Regency, Deveni Rajasinghe Mawatha, Kandy.