Harsha Ariyarathna

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Dr. Harsha Ariyarathna

BVSc(Peradeniya),MSc (Nebraska, Lincoln),Crt. Nutrition for optimal health, wellness and sports
Lecturer
Address:

Department of Veterinary Clinical Science,
Faculty of Veterinary Medicine & Animal Science,
University of Peradeniya,
Peradeniya,20400

Contact:

Phone:+94 775657006(office) 0702141517
Email: hsariyarathna@pdn.ac.lk
hsariyarathna@vet.pdn.ac.lk
hsariyarathna@yahoo.com

  • Best poster award for the drug & allergy section, Annual meeting of the European Academy of Allergy & Clinical Immunology, London
  • Best presentation in clinical communication for the year 2014 at the 66th Annual scientific sessions of the Sri Lanka Veterinary Association (SLVA)
  • President’s Award for Scientific Publications – 2013
  • Endeavor executive fellowship in Veterinary Pathology 2016

  • Veterinary undergraduate: Diagnostic cytology, Haematology, Clinical Nutrition, Veterinary Oncology

    • Veterinary Clinical Pathology
    • Veterinary Oncology
    • Veterinary Dermatology

    Position Current Completed
    Project leader 1
    Co-investigator 1

    Completed projects
  • Project Title: Analysis of agreement between cytopathological and immunohistochemical characteristics of canine lymphomas
  • Date Range: 2013 - 2017
  • Funding Body: University Grant Commission
  • Position: Project leader

  • Project Title: Molecular diagnosis and phylogenetic analysis of selected major viral diseases of dogs and cats in Sri Lanka
  • Date Range: 2015 - 2017
  • Funding Body: University Grant Commission
  • Position: Co-investigator

    • Clinicopathological diversity of canine mammary gland tumors in Sri Lanka: A one-year survey on cases presented to two veterinary practices.H Ariyarathna, N De Silva, D Aberdein, D Kodikara, M Jayasinghe, ...Veterinary sciences 5 (2), 463 2018.
    • Immunostaining for p53 and p16CDKN2A Protein Is Not Predictive of Prognosis for Dogs with Malignant Mammary Gland Neoplasms.JS Munday, H Ariyarathna, D Aberdein, NA Thomson.Veterinary Sciences6 (1), 342. 2019,
    • Increased programmed death ligand (PD-L1) and cytotoxic T-lymphocyte antigen-4 (CTLA-4) expression is associated with metastasis and poor prognosis in malignant canine mammary carcinomas.H Ariyarathna, NA Thomson, D Aberdein, MR Perrott, JS Munday Veterinary Immunology and Immunopathology 230, 110142. 2020
    • Chemokine gene expression influences metastasis and survival time of female dogs with mammary carcinoma. H Ariyarathna, N Thomson, D Aberdein, JS Munday. Veterinary Immunology and Immunopathology, 110075. 2020.
    • Low Stromal Mast Cell Density in Canine Mammary Gland Tumours Predicts a Poor Prognosis. H Ariyarathna, N Thomson, D Aberdein, JS Munday. Journal of Comparative Pathology 175, 29-38.2020.
    • A.C. Karawita, H.M.H.S. Ariyarathna, W.R. Jayaweera, Y. Obayashi, T. Umemura, T. Hiko and G.S.P. de S. Gunawardena. 2013. Presence of Rabies and its Distribution among Animals in the Central Province of Sri Lanka. Proceedings of the Japanese-Sri Lanka Research Conference, University of Peradeniya.
    • A.M.D.S. Karunaratna, A.M.R Bandara, R.M.D.S. Rathnayaka, C. Lokumarambe, H.M.H.S. Ariyarathna, K.A.N.Wijayawardhane. 2013. Subcutis form of transmissible venereal tumor in a dog: case report. Peradeniya University Research Secessions-2013.
    • H.M.H.S. Ariyarathna, M.R.C.K. Mallawa, A.C. Karawita, T. P. M. S. D. Bandara, W.R. Jayaweera, A. M. R. Bandara, I. D. Silva, A. Arulkanthan, and G.S.P. de S. Gunawardena. 2013. Routine dog urinalysis with dipsticks designed for humans: Uses and limitations. Annual Scientific Sessions of Sri Lanka Veterinary Association-2013.
    • Karawita, A.C., H.M.H.S. Ariyarathna, W.D.D. Fernando, K. Nizananthan, A.A.A.W.K. Amarasinghe, L.N.A. de Silva, R.P.V.J. Rajapakse, W.R. Jayaweera and G.S.P. De S. Gunawardena. 2013. Arterial thromboembolism caused by Strongylus vulgaris larval migration in a thoroughbred horse: A case report. Annual Scientific Sessions of Sri Lanka Veterinary Association-2013.
    • Kumara, U. G. V.S. S., Edirimanne, E. R. K. V., Akila, N. V., Chathurangu, A. G. M., de Silva, D. D. N., Ariyarathna, H. M. H. S. Aberrant right subclavian artery (ARSA) in a dog: Case report. Annual Scientific Sessions of Sri Lanka Veterinary Association-2014.
    • Karunadasa, N. M. I. D. Balasooriya, B. A. A. N., Dissanayaka, D. M. A. P., Dangolla, A., Ariyarathna, H. M. H. S. Heat stroke (HS) in a working dog: Case report. Annual Scientific Sessions of Sri Lanka Veterinary Association-2014.
    • Karunadasa, N. M. I. D., Bakmeewewa, W. M. D. R., Ariyarathna H. M. H. S., Rajapakse, R. P. V. J., Bandara, K. B. A. T., Wijayawardhane, K. A. N. Trypanasomiasis in a dog; Detection and response to treatment: Case report. Annual Scientific Sessions of Sri Lanka Veterinary Association-2014.
    • Ariyarathna, H. M. H. S., De Silva, D. D. N., Bandara, A. M. R., Jayawardene, K. L. T.D., Jayaweera, W. R., Gunawardena, G.S.P. De S. Mast Cell Density in Canine Mammary Tumors: A Prognostic Factor. Peradeniya University International Research Sessions. Vol.18, July 2014.
    • M.C.G.M Jayasinghe, H. S, Ariyarathna, T. P. M. S. D. Bandara, A. Dangolls, H. R. N. Jinadasa. Salmonellosis in a wild boar (Sus scrofa) presented to the Veterinary Teaching Hospital, Peradeniya, Sri Lanka. 2014. Proceedings of One Health International Conference, University of Peradeniya, Sri Lanka.
    • M.C.G.M Jayasinghe, H. S, Ariyarathna, K. W. K. I. Kamathewatta, A. Dangolls, H. R. N. Jinadasa. Necropsy findings of three wild Indian Porcupines (Histerix indica) presented to the Veterinary Teaching Hospital (VTH), Sri Lanka. Proceedings of 7 th Asian Meeting on Zoo and Wildlife Medicine/Conservation, Vietnam 2014 58-59.
    • H. M. H. S. Ariyarathna, M. G. C. M. Jayasinghe, A. M. R. Bandara, V. P. P. Jayapani, D. D. N. de Silva Two cases of extra skeletal liposarcomas: An uncommon tumor. K. G. Indika, M. P. Kumara,. Proceedings of 67 th Annual Scientific Sessions of Sri Lanka Veterinary Association. 2015.
    • M. G. C. M. Jayasinghe, A. M. R. Bandara, A. M. S. M. B Wickramarathna, H. S. Ariyarathna, K. G. S. S. Karunathilaka, K. G. Indika, J. Y. C. Dharmasooriya, W. R. B. Kumara, D. D. N. de Silva. Case series of gastrointestinal obstructions in dogs presented to the Veterinary Teaching Hospital (VTH). Proceedings of 67 th Annual Scientific Sessions of Sri Lanka Veterinary Association. 2015.
    • M. A. Y. Chathurangani, M. G. C. M. Jayasinghe, R. M. M. Bandara, V. P. P. Jayapani, D. D. N. de Silva, A. Arulkanthan, H. M. H. S. Ariyarathna Capillaria (syn Pearsonema) associated cystitis in a crossbred cat: A case Report. Proceedings of 67 th Annual Scientific Sessions of Sri Lanka Veterinary Association. 2015.
    • K. S. Samal, Y. H. P. S. N. Kumara, K. Nishanantha, M. G. C. M. Jayasinghe, H. M. H. S. Ariyarathna, A. A. A. W.K. Amarasinghe, A. Dangolla, P. A. B. D. Alexander. A preliminary study to evaluate selected contraceptive methods in controlling reproduction in Toque monkey (Maccaca sinica). Proceedings of 67 th Annual Scientific Sessions of Sri Lanka Veterinary Association. 2015.
    • J. Y. C. Dharmasooriya, W. R. B. Kumara, H. M. H. S. Ariyarathna, M. G. C. M. Jayasinhge, I. D. Karunadasa. Different clinical presentations of canine ovarian cysts: Diagnostic approach, treatments and prognosis. Proceedings of 67 th Annual Scientific Sessions of Sri Lanka Veterinary Association. 2015.
    • U. G. V. S. S. Kumara, S. K. Piyadasa, H. M. H. S. Ariyarathna.,W. R. B. Kumara, D. D. N. de Silva, M. G. C. M. Jayasinghe. A case report on peritoneal mesothelioma and aseptic peritonitis with hemorrhagic effusions in a bitch. Proceedings of 67 th Annual Scientific Sessions of Sri Lanka Veterinary Association. 2015.
    • H. M. H. S. Ariyarathna, D. P. Perera, A. S. Lenagala, Y. Chatutangani, V. P. P. Jayapani. Pathological hemocysts in the tricuspid valve of a crossbred pup. Proceedings of 67 th Annual Scientific Sessions of Sri Lanka Veterinary Association. 2015.
    • J. Y. C. Dharmasooriya, A. M. S. M. Wickramarathne, H. M. H. S. Ariyarathna, U. G. V. S. S. Kumara.Non- functional thyroid carcinoma: Usage of Vincristine, Chlorambucil/Cyclophosphamide and Prednisolone as treatments Proceedings of 67 th Annual Scientific Sessions of Sri Lanka Veterinary Association. 2015.
    • K.K. Sumanasekara, M. G. C. M. Jayasinghe, H. M. H. S. Ariyarathna, K. G. Indika, R. P. V. J. Rajapaksha. A preliminary study on gastrointestinal parasites of three species of home garden rodents in central Sri Lanka. 8 th Meeting of Asian Society of conservation, Miyanmar 2014.
    • M. G. C. M. Jayasinghe., T.P.M.S.D Bandara., A. Dangolla., H. S. Ariyarathna. Ventricular thrombosis secondary to salmonellosis in a Blak-naped Hare (Leprus nigricolls). 8 th Meeting of Asian Society of conservation, Miyanmar 2014.
      • Y. Gunathilaka., H.R. N. Jinadasa., H.M.H.S. Ariyarathna. Does the pinna anatomy affect external ear canal microflora of healthy dogs? 5th Asian Meeting of Animal Medical Specialities, Malaysia 2014
    • Lenagala A.S., Ariyarathna H. M. H. S., De Silva D. D. N. Accuracy of diagnostic cytology using impression smears in evaluation of cutaneous and subcutaneous masses from dogs. Proceedings of 68 th Annual Scientific Sessions of Sri Lanka Veterinary Association. 2016
    • Kumara U. G. V. S. S, Wickramarathne A. M. S. M, Indika K.G, Chathurangani M. A. Y, Samarasinghe D. V. S. M, Dharmasooriya J. Y. C, Kumara M. P, Sumanasekara K.K, Munasinghe M. A. H. K, Jayasinghe M. G. C.M, de Siva D. D. N, Ariyarathna H. M. H. S. Misdiagnosis of canine demodicosis: sixteen cases of severe generalized canine demodicosis. Proceedings of 68 th Annual Scientific Sessions of Sri Lanka Veterinary Association. 2016.