Namalika D. Karunaratne

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Dr. Namalika D. Karunaratne

BVSc (Peradeniya),MSc(Saskatchewan, Canada),PhD (Saskatchewan, Canada)
Senior Lecturer
Address:

Department of Farm Animal Production and Health ,
Faculty of Veterinary Medicine & Animal Science,
University of Peradeniya,
Peradeniya,20400

Contact:

Phone:
Email:nkarunaratne@vet.pdn.ac.lk
namalikakarunaratne@gmail.com

  • University Ph.D. Graduate Scholarship 2017, University of Saskatchewan.
  • Graduate Student Travel Award from the J. M. Bell Postgraduate Scholarship 2017, Department of Animal and Poultry Science, University of Saskatchewan
  • Graduate Student Travel Award from the Miriam Green Ellis Scholarship 2016, Department of Animal and Poultry Science, University of Saskatchewan
  • Graduate Student Travel Award from the J. M. Bell Postgraduate Scholarship 2015, Department of Animal and Poultry Science, University of Saskatchewan.

  • Animal Science; Farm Animal Production and Health

  • Poultry nutrition and gut health
  • P. Nishanka, H. E. L. De Seram, and N. D. Karunaratne. 2024. Assessment of poultry vaccination knowledge and practices among commercial layer farmers in the Serukele veterinary range, Northwestern province, Sri Lanka. Sri Lanka Veterinary Journal. 71: 27-37.
  • R. Senaarachchi, M. G. Y. Hasanjana, H. E. L. De Seram, K. Nizanantha, P. G. A. Pushpakumara, and N. D. Karunaratne. 2022. Effect of dietary inclusion of a sugarcane extract on growth performance of broilers. Sri Lanka Veterinary Journal 69: 1-7.
  • N. D. Karunaratne, H. L. Classen, A. G. van Kessel, M. R. Bedford, N. P. Ames, and R. W. Newkirk. 2023. Diet medication and beta-glucanase affect ileal digesta soluble beta-glucan molecular weight, carbohydrate fermentation, and performance of coccidiosis vaccinated broiler chickens given wheat-based diets. Animal Nutrition 15: 288-296.
  • N. D. Karunaratne, H. L. Classen, N. P. Ames, M. R. Bedford, and R. W. Newkirk. 2022. Effects of diet hulless barley and beta-glucanase levels on ileal digesta soluble beta-glucan molecular weight and carbohydrate fermentation in laying hens. Poultry Science 101: 101735.
  • N. D. Karunaratne, R. W. Newkirk, A. G. Van Kessel, W. Köster, and H. L. Classen. 2021. Applied Research Note: Does feeding hulless barley affects Salmonella colonization in broiler chickens? Journal of Applied Poultry Research 30:100178.
  • N. D. Karunaratne, R. W. Newkirk, N. P. Ames, A. G. Van Kessel, M. R. Bedford, and H. L. Classen. 2021. Hulless barley and β-glucanase affect ileal digesta soluble β-glucan molecular weight and digestive tract characteristics of coccidiosis-vaccinated broilers. Animal Nutrition 7:595-608.
  • N. D. Karunaratne, R. W. Newkirk, N. P. Ames, A. G. Van Kessel, M. R. Bedford, and H. L. Classen. 2021. Effects of exogenous β-glucanase on ileal digesta soluble β-glucan molecular weight, digestive tract characteristics, and performance of coccidiosis challenged broiler chickens fed hulless barley-based diets with and without medication. PLOS ONE 16:e0236231.
  • N. D. Karunaratne, H. L. Classen, N. P. Ames, M. R. Bedford, and R. W. Newkirk. 2021. Effects of hulless barley and exogenous β-glucanase levels on ileal digesta soluble β-glucan molecular weight, digestive tract characteristics, and performance of broiler chickens. Poultry Science 100:100967.
  • N. D. Karunaratne, R. W. Newkirk, A. G. Van Kessel, M. R. Bedford, and H. L. Classen. 2021. Hulless barley and β-glucanase levels in the diet affect the performance of coccidiosis-challenged broiler chickens in an age-dependent manner. Poultry Science 100:776-787..
  • N. D. Karunaratne, D. A. Abbott, P. J. Hucl, R. N. Chibbar, C. J. Pozniak, and H. L. Classen. 2018. Starch digestibility and apparent metabolizable energy of western Canadian wheat market classes in broiler chickens. Poultry Science 97: 2818-2828.
  • N. D. Karunaratne, D. A. Abbott, R. N. Chibbar, P. Hucl, C. J. Pozniak, and H. L. Classen. 2018. In vitro assessment of the starch digestibility of western Canadian wheat market classes and cultivars. Canadian Journal of Animal Science 98: 463-476.
  • Karunaratne N. D., and Classen H. L. Pages 171–191 in The Value of Fibre. Wageningen Academic Publishers, The Netherlands; 2019. Chapter 10 Beta-glucans and beta-glucanase in animal nutrition, do we understand their full effects?
  • S. M. R. Samarakoon, K. K. S. M. Kulawardhana, N. D. Karunaratne, B.C. Jayawardana, M. Flavel, and P. Weththasinghe. 2024. Effect of polyphenol-rich antioxidants supplementation on growth performance and meat quality of broiler chicken fed rice bran stored for extended time periods. Proceedings of 36th PGIA Annual Congress. p. 24.
  • R. Senaarachchi, U. D. Jayasekara, P. Weththasinghe, B. C. Jayawardana, H. E. L. De Seram, K. Nizanantha, P. G. A. Pushpakumara, M. Flavel, and N. D. Karunaratne. 2024. Impact of different polyphenol-rich sugarcane extract concentrations in drinking water on broiler growth performance, meat quality and mucosal lesions in the small intestine. Proceedings of 76th Annual Scientific Sessions of the Sri Lanka Veterinary Association. p. 35.
  • R. Senaarachchi, Y. Hasanjana, H. E. L. De Seram, K. Nizanantha, P. G. A. Pushpakumara, and N. D. Karunaratne. 2022. Effect of graded levels of dietary sugarcane-derived polyphenol (Polygain) on growth performance of broiler chickens. Proceedings of 74th Annual Scientific Sessions of the Sri Lanka Veterinary Association. p. 32.
  • N. D. Karunaratne, N. P. Ames, A. G. Van Kessel, M. R. Bedford, R. W. Newkirk, and H. L. Classen. 2019. Effects of graded levels of hulless barley and β-glucanase on β-glucan depolymerization, and digestive tract morphology and physiology of broiler chickens vaccinated for coccidiosis. Poultry Science Vol.98 (E-suppl. 1) p.38.
  • H. L. Classen, E. Herwig, N. D. Karunaratne, D. D. L. S. Bryan, and R. K. Savary. 2017. Factors affecting broiler volunteer feed intake in practice. Proceedings for 21st European Symposium on Poultry Nutrition.
  • N. D. Karunaratne, M. R. Bedford, R. W. Newkirk, and H. L. Classen. 2017. Graded levels of hulless barley and β-glucanase affect the digestive tract morphology of broiler chickens vaccinated for coccidiosis. Poultry Science Vol.96 (E-suppl. 1) p.109.
  • N. D. Karunaratne, M. R. Bedford, R. W. Newkirk, and H. L. Classen. 2017. Graded levels of hulless barley and β-glucanase affect the performance of broiler chickens vaccinated for coccidiosis in an age dependent manner. Poultry Science Vol.96 (E-suppl. 1) p. 50.
  • N. D. Karunaratne, P. Hucl, R. N. Chibbar, C. J. Pozniak, D. A. Abbott, and H. L. Classen. 2016. Starch digestibility and AME of western Canadian wheat market classes in broiler chickens. Poultry Science Vol.95 (E-suppl. 1) p.18.
  • N. D. Karunaratne, P. Hucl, R. N. Chibbar, C. J. Pozniak, D. A. Abbott, and H. L. Classen. 2015. Western Canadian wheat market class affects in vitro starch digestibility. Poultry Science Vol.94 (E-suppl. 1) p. 10.
  • K. U. E. Perera, J. K. H. Ubeyratne, M. D. N. Jayaweera, K. G. R. N. Karunarathne, and N. D. Karunaratne. 2013. Surveillance for Aeromonas spp. in healthy goldfish in a fish breeding centre at Rambodagalle in Sri Lanka. Proceedings for 65th Annual Scientific Sessions of the Sri Lanka Veterinary Association. p. 21.