Dr. Lakshitha Fonseka

Senior Lecturer

Department of Animal Science,
Faculty of Agriculture, University of Ruhuna,
Mapalana, Kamburupitiya,
Sri Lanka 81100

Research Interests

Qualifications

PhD | Okayama University, Japan
MSc in Animal Science | University of Peradeniya, Sri Lanka
BSc in Agriculture | University of Ruhuna, Sri Lanka

Biography

Dr. Lakshitha Fonseka is a Senior Lecturer in the Department of Animal Science, Faculty of Agriculture, University of Ruhuna. His academic activities include undergraduate and postgraduate teaching, research, student supervision, and academic coordination. His teaching and research interests include livestock production and management, poultry management, swine production, micro-livestock production, animal reproductive physiology, reproductive biotechnology, and assisted reproductive technologies. He completed his PhD at Okayama University, Japan, focusing on porcine oocyte quality and developmental competence. He currently serves as the Deputy Senior Student Counsellor of the Faculty of Agriculture, contributing to student welfare, counselling, and student development activities.

Journal Publications

Total: 24

Indunil N. Pathirana, Chandana Rajapaksa, Noritoshi Kawate, Anuradha Wimalarathne, Lakshitha Fonseka, Priyangika Nilmini Weerakoon, Minhaj A. Hannan, Basil Alexander, Anil Pushpakumara, Siril Ariyaratne, Hiromichi Tamada. Effects of Gonadotropin-Releasing Hormone Antagonist Degarelix on Musth and Serum Testosterone Concentrations in Asian Elephants (Elephas Maximus) Journal of Zoo and Wildlife Medicine 2018 Sep;49(3), 779-783.

Lakshitha Fonseka, Anuradha wimalarathne, Suranga P. Kodithuwakku, Indunil N. Pathirana, Noritoshi Kawate. Measurement of circulating insulin-like peptide 3 and testosterone concentrations in pre-pubertal, tropical male goats, Asian Journal of Medical and Biological Research 2018 Dec; Volume 4, Issue 4;323-426.

Fonseka WTL, Do SQ, Van PN, Nguyen HT, Wakai T, Funahashi H. The impact of cumulus cell viability and pre-culture with the healthy cell mass on brilliant cresyl blue (BCB) staining assessment and meiotic competence of suboptimal porcine oocytes. Theriogenology, 226:158-166.

Lakshitha Fonseka, Indunil Pathirana, Noritoshi Kawate. Circulating insulin-like peptide 3 (INSL3) and testosterone dynamics in male dogs: Is INSL3 an endocrine marker of Leydig cell function in canine geriatrics? Animal Reproduction Science, Volume 220.

W.T.L. Fonseka, I.N. Pathirana, S.Premaratne, S.P. Kodituwakku N. Kawate. Changes in serum insulin-like peptide 3 and testosterone concentrations in male sheep during development. Journal of Animal Production Science, volume 58(8). pp 67.

Sameera Premaratne, Lakshitha Fonseka, Suranga P. Kodithuwakku, Indunil N. Pathirana. Circulating testosterone dynamics in boars: effects of age, breed and cryptorchidism, Animal Reproduction Science. 194, e6-e7.

Wanniarachchige Tharindu Lakshitha FONSEKA, Son Quang DO, Phong Ngoc VAN, Takuya WAKAI, Hiroaki FUNAHASHI. Effects of pre-culture with healthy cumulus cell mass on G6PD activity and meiotic competence of suboptimal porcine oocytes. 117th Annual Meeting of the Society for Reproduction and Development.

Sep 21-25 Nagoya University, Nagoya, Japan.

Lakshitha Fonseka, Nguyen Thanh Hai, Do Quang Son, Takuya Wakai, Hiroaki Funahashi, Identification of the relationship between Brilliant Cresyl Blue (BCB) staining and initial dead cell ratio of cumulus cells in germinal vesicle stage of porcine oocytes, 72 nd Kansai Animal Science Conference – 16 th October

Nguyen Thanh Hai, Do Quang Son, Lakshitha Fonseka, Takuya Wakai, Hiroaki Funahashi, Migration of PLCZ1 distribution in frozen-thawed bull spermatozoa occurs during acrosomal exocytosis, but its translocation is not influenced by thawing protocols, 72 nd Kansai Animal Science Conference – 16 th October

Nguyen T. Hai, Do Q. Son, Lakshitha Fonseka, Takuya Wakai, Hiroaki Funahashi, Redistribution of plcz1 in frozen bull spermatozoa appearing through acrosomal exocytosis, but its dynamic not affected by thawing methods. Proceedings of the 4 th International Conference on Sustainable Agriculture and Environment, Ho Chi Minh City, Vietnam, November 18,

S. Premarame, T. De Silva, L. Fonseka, R. Sampath, K.M. Wimalasooriya, D. Wickramasinghe, K. Premarathne, A. Olagedara C. Gajaweera, S. Disnaka, I. Pathirana, An estrus synchronization protocol using 17-a-hydroxyprogesterone caproate (Proluton) on the pregnancy rate of goats, Annual Scientific Sessions of Sri Lanka Veterinary Association –

, 22 – 23 October, pp 58

RM Nikzaad, STD De Silva, WTL Fonseka, WASM Premaratne, IN Pathirana. Circulating Insulin-like Peptide 3 and Testosterone Concentrations in Saanen Bucks during Sexual Development, International Symposium on Agriculture and Environment - Young Graduates’ Forum, 3rd September

S.T.D De Silva, M.D.A.G Randeniya, W.A.S.M Premaratne, W.T.L Fonseka, C.J Gajaweera, I.N Pathirana. Analysis of Productive and Reproductive Traits of Murrah Buffaloes in a Large-scale Farm in Northwestern Province of Sri Lanka, Proceedings of 7 th International Conference on Dry Zone Agriculture (ICDA), Faculty of Agriculture, University of Jaffna, Sri Lanka. 3 rd and 4 th December

M.H.D Madumadhawa, S.T.D De Silva, W.T.L Fonseka, W.A.S.M Premaratne, I.N Pathirana. Circulating Insulin-like Peptide 3 and Testosterone Concentrations in Jamnapari x Kottukachchiya Crossbred Bucks during Sexual Development, International Symposium on Agriculture and Environment - Young Graduates’ Forum, 3rd September

JAB Bimsara, J Subaiskanth, WTL Fonseka, PWA Perera, NSBM Atapattu, CJ Gajaweera, Effect of Substituting Dietary Coconut Oil Meal with Gliricidia sepium LeafMeal on Growth Performance and Meat Quality of Japanese Quails ( Coturnix coturnix ), International Symposium on Agriculture and Environment - Young Graduates’ Forum, 3rd September

Lakshitha Fonseka, Chandana Fernando, Chandima Gajaweera, Indunil Pathirana, Evaluation of Goat Farming Practices in Selected Veterinary Ranges in Anuradhapura District, Proceedings of the International Symposium on Agriculture and Environment, Faculty of Agriculture, University of Ruhuna- 14 February

S.T.D De Silva, W.T.L Fonseka, B Nawarathna, I.N Pathirana, Development and Use of 5α-Dihydroprogesterone Enzyme Immunoassay for the Pregnancy Diagnosis in Asian Elephants, International Symposium on Agriculture and Environment - Young Graduates’ Forum, 8 th October

HDA Wimalarathne, WTL Fonseka, SP Kodithuwakku, IN Pathirana. Measurement of Circulating Insulin-Like Peptide 3 and Testosterone Concentrations in Prepubertal Goats, Proceedings of the International Symposium on Agriculture and Environment, Faculty of Agriculture, University of Ruhuna- 17 January,

PCD Perera, MWGC Wijayawardhana, N Dahanayake, WTL Fonseka. Knowledge and Awareness towards Invasive Wild Plant, Eichhornia Crassipes (Water Hyacinth): A Case Study among Undergraduates of Agriculture at University of Ruhuna, Sri Lanka. Proceedings of the national Symposium on Invasive Alien Species, Biodiversity Secretariat, Ministry of Mahaweli Development & environment, University of Colombo & UNDP, 20th January,

RC Rajapaksa, IN Pathirana, N Kawate, WWPN Weerakoon, H.D.A. Wimalarathne, WTL Fonseka, MA Hannan, PABD Alexander, PGA.Pushpakumara, HBS Ariyaratne, H Tamada. Effects of GnRH antagonist on musth and plasma testosterone concentrations in Asian male elephants . The 160th Meeting of the Japanese Society of Veterinary Science, September 13-15,

W.T.L. Fonseka, J.J.W.K. Gamage, H.D.A. Wimalarathne, I.N. Pathirana, N. Kawate, Age related Changes in Serum Concentrations of Insulin-like Peptide 3 and Testosterone in Male German Shepherd Dogs . Proceedings of the International Symposium on Agriculture and Environment, Faculty of Agriculture, University of Ruhuna- 13 January

ADP Prasangika, WTL Fonseka,, NSBM Atapattu. Animal source food consumption among Sri Lankans: A 24-hour recall study in Galle and Matara District, Proceedings of the International Symposium on Agriculture and Environment, Faculty of Agriculture, University of Ruhuna-13 January