Dr. A.VARUN

Assistant & Professor

Dr. A.VARUN

Assistant & Professor

  • Department of Livestock Production and Management Rajiv Gandhi Institute of Veterinary Education & Research, Puducherry-605 009.
Academic Qualification(Starting with highest degree Awarded)
Degree Awarded Field of Study Institution / Place Year of completion
Ph.D. Poultry Science Madras Veterinary College, Chennai 2019
M.V.Sc. Poultry Science Madras Veterinary College, Chennai 2016
B.V.Sc. & A.H. Veterinary & Animal husbandry Rajiv Gandhi Institute of Veterinary Education & Research, Puducherry. 2014

Position and Employment (Starting with most recent employment)

Position Institution Place From(Date) To(Date)
Assistant Professor (C) Rajiv Gandhi Institute of Veterinary Education & Research, Puducherry 03.11.2022 20.06.2023
Assistant Professor Rajiv Gandhi Institute of Veterinary Education & Research, Puducherry 21.06.2023 Till date

Research Publications

Total no. of Research articles published : 21

  • Varun.A, N.Karthikeyan, P.Muthusamy, A.Raja, K.Vijayarani and S.Wilfred Ruban. 2017. Growth performance and carcass traits as influenced by dietary supplementation of zinc in broiler chicken. International Journal of Chemical Studies, 5(6): 101- 105.
  • Varun.A, N.Karthikeyan, P.Muthusamy, A.Raja and S.Wilfred Ruban. 2017. Real Time PCR Based Expression of Metallothionein and Evaluation of Zn Bioavailability in Chickens Fed Zinc Oxide and Zinc Methionine. International Journal of Current Microbiology and Applied Sciences, 6(7): 845- 849.
  • Varun.A, N.Karthikeyan, P.Muthusamy, A.Raja, S.Wilfred Ruban and J.Tamizhkumaran. 2017. Carcass Characteristics and Bone Measurements of Commercial Broilers Fed with Inorganic, Organic and Nano Zn Containing Diets. International Journal of Current Microbiology and Applied Sciences, 6(9): 3748-3756.
  • Varun.A, N.Karthikeyan, P.Muthusamy, A.Raja and S.Wilfred Ruban. 2017. Evaluation of Zn Bioavailability and Metallothionein Expression by RT-PCR in Zinc Sulphate and Zinc Proteinate Fed Chickens. International Journal of Livestock Research, 7(10): 184-189.
  • Varun.A, N.Karthikeyan, P.Muthusamy, A.Raja, K.Vijayarani and S.Saranya. 2018. Effect of Zinc oxide and zinc oxide nano particles on growth performance of commercial broiler chicken. Indian Journal of Poultry Science, 53(3): 318-323.
  • Varun, A. Omprakash, A.V. Kumanan, K. Vairamuthu, S. Karthikeyan, N. 2021. Thyroid Hormones and Corticosterone Investigation under Heat Stress in Native Chicken. Indian Journal of Animal Science, 91(1): 88-89.
  • Varun, A. Omprakash, A.V. Kumanan, K. Vairamuthu, S. Karthikeyan, N. 2019. Effect of thermal conditioning on physiological response of native chicken. The Indian Veterinary Journal, 96(06): 70-71.
  • Varun, A., Yogesh, C., Sangeetha, P.V., Ezhilvalavan, S., Thangapandiyan, M., Dr Pandian, C and Omprakash, A.V. 2019. Diagnosis of lymphoid leucosis in an organised aseel farm. The Indian Veterinary Journal, 96(09): 78-79.
  • S. Sivaramakrishnan, A.V. Omprakash, S. Ezhilvalavan, K.G. Tirumurugaan, A. Varun and S.Naveen Kumar. 2018. Effect of thermal conditioning on the production performance of Different strains of chicken. International Journal of Livestock Research, 8 (02): 291-298.
  • ToraliArify, S. Ezhilvalavan, A. Sundaresan , K. Manimaran and A. Varun. 2018. Qualitative phytochemical analysis of garlic (Allium sativum) and nilavembu (Andrographis paniculata). International Journal of Chemical Studies, 6(3): 1635-1638.
  • ToraliArify, S. Ezhilvalavan, A. Sundaresan , K. Manimaran and A. Varun. 2018. Effect of supplementation of garlic (Allium sativum) and nilavembu (Andrographis paniculata) on haematological and biochemical parameters of commercial broiler chicken. International Journal of Current Microbiology and Applied Sciences, 7(10): 3649-3656.
  • G.Vasudevan, K.Vijayarani, R.Karunakaran, A.Srithar, S. Meignanalakshmi, P.Raja and A.Varun. 2019. Effect of Mannan Oligosaccharide (MOS) and Xylo Oligosaccharide (XOS) supplementation on the Growth Performance of Broilers. International Journal of Livestock Research, 9 (05): 49- 56.
  • Toryali arify, S Ezhil valavan, A Varun , A Sundaresan and K. Manimaran. 2019. Effect of garlic (Allium sativum) and nilavembu (Andrographis paniculata) on growth performance and cost effectiveness of broiler chicken. Indian Journal of Animal Science, 89(11): 1242-1245.
  • P. Ramesh, S. Ezhil Valavan, P. Tensingh Gnanaraj, A.V. Omprakash and A. Varun. 2018. Effect of dietary supplementation of ghee residue on fatty acid profile and serum bio-chemical parameters in Aseel native chicken. Journal of Entomology and Zoology Studies, 6(6): 1016-1019
  • P. Ramesh, S. Ezhil Valavan, P. Tensingh Gnanaraj, A.V. Omprakash and A. Varun. 2018. Nutrient composition of ghee residue. Journal of Pharmacognosy and phytochemistry, 7(5): 3316-3319.
  • S. Sivaramakrishnan, A.V. Omprakash, S. Ezhilvalavan, K.G. Tirumurugaan and A. Varun. 2019. Effect of thermal conditioning and thermal challenge on erythrocyte count of coloured broilers. Journal of entomology and zoology studies, 7(1): 172-174.
  • T.F. Amal Rose , A.Varun , Porteen Kannan, Muhammad Umar Yuguda , S. Ezhilvalavan and A.V. Omprakash. 2020. Screening of poultry eggs for the presence of ESBL resistant Salmonella from Chennai. Indian Journal of Poultry Science, 55(2): 151−155; DOI: 10.5958/0974-8180.2020.00018.5.
  • T. Chandrasekar, P. Karu , A. Varun , D. Balasubramanyam and M. A. Prakash. 2021. Impact of lightning strike on economics of sheep and goat rearing in Tamil Nadu under field condition. Indian J Anim Health, 60(1): 109-112 DOI:10.36062/ijah.60.1.2021.109-112.
  • Naveenkumar, V., Pradeep Nag, B.S., Porteen, K., Varun, A., Uma Rani, R., Sasikumar, S. and Balasubramanyam, D. 2022. Utilization of Immunoglobulin Y (IgY) as Alternatives to Laboratory Animals in Human and Veterinary Medical Practice: Review Article. Agricultural Reviews. DOI: 10.18805/ag.R-2479.
  • R S Kathiravan, A Varun, KSenthilkumar and D Balasubramanyam. 2022. Dystocia Due to Secondary Uterine Inertia in Large White Yorkshire Sow. J Krishi Vigyan, 11 (SI) : 106-108.
  • Varun A, Omprakash A.V, Kumanan K, Vairamuthu S, Ezhilvalavan S, Karthikeyan N, Vijayarani K and Nithya Quintoil.2023. Thermotolerance Acquisition in Native Chicken and its Crosses by Early Thermal Conditioning through Expression of Heat Shock Proteins. Theoretical biology forum, 12(2); 30–36. https://doi.org/10.5281/zenodo.8077830.

Books Published

Total no. of books published : 1

  • A.Varun, N.Karthikeyan and K.Vijayarani. 2018. Effect of dietary organic Zinc on commercial broiler performance. LAP Lambert Academic publishers, 17, Meldrum St, Beau Bassin, Maurities. 978-3-659-78694-52018.

Book Chapters

Total no. of book chapter published : 6

  • Varun A, A.V.Omprakash, S. Ezhilvalavan and Porteen Kannan. 2020. Impact of heat stress in poultry – Heat shock proteins and behavioral response to heat stress. Physical chemistry and its interdisciplinary actions. Nova Science Publishers, New York, USA. 978-1-53618-328-3.
  • A.Karthikeyan, P.Sridevi, A.Varun and Porteen Kannan. 2020. Evolving concepts in field of genomics driven by Next Generation Sequencing. Research methodologies in modern chemical technology, Nova Science Publishers, New York, USA. 978-1-53618- 562-1.
  • Varun.A, P.Athilakshmi, J.Tamizhkumaran, N.Karthikeyan and A.V.Omprakash. 2017. Puducherry mannila purakadai kozhi valairporedam vellaikazhesal noi kuritha vizhipunarvu mattrum kozhi eraipirku karanagal. Agricultural scientific Tamil society, New Delhi. 978-93- 86537-76-8.
  • Varun A., N. Karthikeyan, P. Muthusamy, A. Raja and K. Vijayarani. 2017. Kozhigalil thuthanagathai unavil tharuvathal metallotheionine velepattu thanmaiyai negainera palapadiyakal (RT-PCR) athirvinai mulam kandarithal. Agricultural scientific Tamil society, New Delhi. 978-93-86537-76-8.
  • S. Ezhil valavan, A. Sundaresan, C. Pandian , A. V. Omprakash, and A. Varun. 2019. Parambareya nattu kozhikalin vinthanukkalin kunatheseyankal patrea oir aaivu. Uzhavar vazhviyalil kalnadai maruthuva ariviyal Kalnadai ariviyal tamil eyakam, Tamil Nadu. 978-93-88697-63-7.
  • S. Ezhil valavan, A. Sundaresan, C. Pandian , A. V. Omprakash, and A. Varun. 2019. Parambareya nattu kozhikalin muttai mattrum eraichiyenul ootachithukal patrea aaivu. Uzhavar vazhviyalil kalnadai maruthuva ariviyal Kalnadai ariviyal tamil eyakam, Tamil Nadu. 978-93- 88697-63-7.

Externally funded Research projects

Total no. of completed & ongoing research projects : 1

Title of the Project Role Duration of the Project Amount (Rs in lakhs) Funding Agency
Evaluation of multistrain probiotics against food borne pathogens in commercial broiler chicken. Co-PI 6 months 4.45 Lakhs Zenex Animal health India, PVT, Ltd.,

Awards & Honors

Sr. No. Type of Award / Medal / recognition Agency Year
1. Best Oral Presentation Award - Strobilocercosis in a wistar rat South Zone IAVP Conference, Namakkal, Tamil Nadu, India 2010
2. Best Poster Presentation Award - Fibroadenoma in a wistar rat South Zone IAVP Conference, Namakkal, Tamil Nadu, India 2010
3. Best Poster Presentation Award - Necropsy findings in flamingoes (Phenicopterus roseus) following cyclonic traumatic injuries South Zone IAVP Conference, Wayyanad, Kerala, India 2011
4. Best Oral Presentation Award - Granulomatous hepatitis in an Indian palm squirrel (Funambulus palmarum) South Zone IAVP Conference, Wayyanad, Kerala, India 2011
5. Best Oral Presentation Award - Patho-morphological studies on mycoplasmosis in turkeys South Zone IAVP Conference, Tirupati, India 2016
6. Best Oral Presentation Award - Osteo-chondrodystrophy like lesions in Giriraja chicks South Zone IAVP Conference, Tirupati. India 2016
7. Third prize-Best oral presentation - Soft tissue sarcoma in a geriatric dog: A necropsy report Indian Veterinary Association Conference, Kerala 2020
8. Second prize-Best oral - Necropsy finding in a Whale Shark (Rhincodon typus) at Puducherry, India Indian Veterinary Association Conference, Kerala 2021
9. Third prize-Best oral presentation - Entrolith and intestinal obstruction in a Pony Indian Veterinary Association Conference, Kerala 2021
10. Second prize-Best poster - Establishment of Hematological and biochemical Reference Values in Indigenous Donkeys (Equus acinus ) of Puducherry, India with special reference to morphometric analysis of erythrocytes XXXIX Annual Conference of Indian Association of Veterinary Pathologists, Hyderabad 2022
11 Incidence of fowl cholera in desi chicken S. Ezhil Valavan, K. Manimaran, C. Pandian and A. Varun 2018
12 Nutritional composition of egg and meat in different Native chicken, S. Ezhil valavan, A. V. Omprakash, A. Varun, A. Sundaresan and C. Pandian 2018
13 IPSA Dr. P. Kothandaraman Memorial Award 2019 Indian Poultry Science Association and Chhattisgarh Kamadhenu Vishwavidyalaya, Anjora, Durg. 2019
14 Jagar Nath Raina Memorial All India Best Research Award at Doctorate Level 2019 Society for Advancement of Human and Nature, Dr. YS Parmar University of Horticulture and Forestry, HP, India 2020
15 Certificate of appreciation ICAR – Agricultural Technology Application Research Institute, Hyderabad 2020
16 S. Ezhil valavan, C. Pandian, A.Varun, A.Sundereasan, A. V. Omprakash and R. Richard Churchil 6th National Conference on Agricultural Scientific Tamil, Chennai 2020
17 Certificate of Excellence in Reviewing Asian Journal of Research in Animal and Veterinary Research 2021
18 Certificate of Excellence in Reviewing Current journal of Applied Science and Technology 2021
19 National Excellence Award Dr.B.V.Rao Poultry Professional 2021
20 SKM Animal Feds and Foods (India) Ltd. Gold Medal Tamil Nadu Veterinary and Animal Sciences University 2022
21 Chancellor of TANUVAS Dr.K.Rosaiah Award Tamil Nadu Veterinary and Animal Sciences University 2022
22 M/s. Venkey’s (India) Ltd. Gold medal Tamil Nadu Veterinary and Animal Sciences University 2022
23 Effect of thermal conditioning on heat shock proteins and immune gene expression in Naked Neck, Nandanam chicken-4 cross A. Varun, C. Pandian, S. Ezhil valavan, K. Sangilimadan, R. Richard Churchil and A.V. Omprakash 2022