Dr. Gangadhar  Barlaya
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Dr. Gangadhar Barlaya

Principal Scientist
Central Institute of Freshwater Aquaculture Hesaraghatta Lake, India


Highest Degree
PostDoc Fellow in Periphyton-Based Aquaculture from Wageningen University, The Netherlands

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Area of Interest:

Animal and Veterinary Sciences
100%
Fisheries Technology
62%
Aquaculture Research
90%
Fish Nutrition
75%
Breeding
55%

Research Publications in Numbers

Books
0
Chapters
0
Articles
61
Abstracts
0

Selected Publications

  1. Barlaya, G., U. Harish and G. Hegde, 2022. Growth, digestive enzyme activities, and carcass composition of fringe-lipped carp (Labeo fimbriatus) and catla (Catla catla) held in polyculture in tanks with sugarcane bagasse as periphyton substrate. Aquacult Int., 30: 3213-3228.
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  2. barlaya, G., b.s.a. kumar , g. hegde and h. kannur, 2021. Nutrient digestibility and digestive enzyme activity in fringe lipped carp, labeo fimbriatus (bloch, 1795), fed diets containing cottonseed meal. Asian Fish. Sci. Vol. 34. 10.33997/j.afs.2021.34.3.007.
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  3. GBarlaya, A., U. Harish, G. Hegde, S. Pradhan and S. Saurabh, 2021. An account of periphyton, plankton and water quality in Labeo fimbriatus culture tanks provided with feed and sugarcane bagasse as periphyton substrate in two orientations. Aquac. Res., 52: 6550-6561.
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  4. Barlaya, G., H. Umalatha, G. Hegde, B.S.A. Kumar and C.H. Raghavendra, 2021. Growth performance, carcass composition, and digestive enzyme activity of Labeo fimbriatus in tanks provided with feed and periphyton substrate in two orientations. In: Journal of applied aquaculture, P. Keshavanath et al. Colchester, England, pp: 12.
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  5. Barlaya, G., B.S.A. Kumar, R.C. Huchchappa, P. Basumatary and H. Kannur, 2021. Effect of fish meal replacement with toasted guar meal on growth, food conversion, digestive enzyme activity and final carcass composition of rohu, Labeo rohita. Aquaculture Res., 52: 5551-5557.
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  6. Gangadhar, B., 2019. Digestibility of three feed ingredients by catla catla (Hamilton, 1822). Oceanogr. Fish. Open Access J., 10.19080/OFOAJ.2018.05.555672.
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  7. B. Gangadhar, N. Sridhar, H. Umalatha and S.S. Giri, 2019. Effect of dietary carbohydrate levels on the growth of fingerlings of carnatic carp Barbodes carnaticus (Jerdon 1849). Indian J. Fish., 10.21077/ijf.2019.66.3.87538-20.
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  8. Manjappa K., K.M. Nesara, N.S. Mavarka and B. Gangadhar, 2018. Efficacy of mixture of cattle urine and dung as a fertilizer on the growth and survival of carps. J. Fish. Livest. Prod., 10.4172/2332-2608.1000275.
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  9. Keshav, A.S., C. Ajit, G. Barlaya, R. Rathod and M. RN et al., 2018. Adaptation and mitigation strategies of climate change impact in freshwater aquaculture in some states of india. J. Fish. Sci..com, Vol. 12. 10.21767/1307-234X.1000142.
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  10. Manjappa, K., P. Keshavanath, B. Gangadhar, 2017. Growth response of Catlacatla (Hamilton,1822) raised in manured tanks on low fishmeal diets,with a note on carcass composition and digestive enzyme activity. Indian J. Fish. 10.21077/ijf.2016.63.4.52678-15.
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  11. Gangadhar, B., N. Sridhar, H. Umalatha, H. Ganesh, A.R.T. Simon and P. Jayasankar, 2017. Digestibility and digestive enzyme activity in Labeo fimbriatus (Bloch, 1795) fed periphyton grown on sugarcane bagasse. Indian J. Fish, 10.21077/ijf.2017.64.1.47136-06.
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  12. Gangadhar, B., H. Umalatha, H. Ganesh, S. Saurabh and N. Sridhar, 2017. Digestibility of dry matter and nutrients from three ingredients by the carps, Labeo fimbriatus (Bloch, 1795) and Cyprinus carpio Linnaeus, 1758 with a note on digestive enzyme activity. Indian J. Fish., 64: 75-84.
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  13. Tortolero, S.A.R., B.A.S. Cavero, J.G. De Brito, C.C. Soares and J.L. Silva Junior, et al., 2016. Periphyton-based jaraqui (Semaprochilodus insignis) culture with two types of substrates at different densities. Turk. J. Fish. Aquat. Sci., 16: 347-359.
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  14. Hemaprasanth, K.P., M.R. Raghunath, B. Gangadhar, S. Saurabh, C.H. Raghavendra, N. Sridhar and P. Jayasankar, 2016. Polyculture of puntius pulchellus with catla catla and labeo rohita. J. Aquac. Tropics, 31: 83-89.
  15. Gangadhar, B., N. Sridhar, K. Hemaprasanth, M. Raghunath and P. Jayasankar, 2016. Indigenous technical knowledge in aquaculture sector: A literature review. J. Fish. Aquat. Stud., 4: 373-378.
  16. Gangadhar, B., N. Sridhar, H. Umalatha, H. Ganesh and P. Jayasankar, 2016. Taxonomic and biochemical composition and digestive enzyme activity of periphyton and Plankton: A comparative study. Proc. Nat. Acad. Sci. India Sect. B Biol. Sci., 2016: 1-6.
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  17. Gangadhar, B., N. Sridhar, C.H. Raghavendra, H.J. Santhosh and P. Jayasankar, 2016. Growth performance and digestive enzyme activities of fringe-lipped carp Labeo fimbriatus (Bloch, 1795) in periphyton based nursery rearing system. Indian J. Fish., 63: 125-131.
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  18. Tortolero, S.A.R., B.A.S. Cavero, J.G. Brito, C.C. Soares, J.L. Silva Junior, H.T.B. Barbosa, B. Gangadhar and P. Keshavanath, 2015. Periphyton-based polyculture of jaraqui, Semaprochilodus insignis (Schomburgk, 1841) and tambaqui, Colossoma macropomum (Cuvier, 1816) with feed supplementation. J. Aquac. Tropics, 30: 111-132.
  19. Raghunath M.R., H. Umalatha, N. Sridhar, K. Hemaprasanth, B. Gangadhar and P. Jayasankar, 2015. Spoilage indices in chill-stored rohu steaks extracted with different concentrations of Trichloroacetic acid. Fishery Technol., 52: 42-47.
  20. Priyadarshini M., J.K. Manissery, B. Gangadhara, L.M. Rao and P. Keshavanath, 2015. Growth performance, body composition and digestive enzyme activity of common carp (Cyprinus carpio) fry fed on soybean and horse gram supplemented diets. Int. J. Aquac., 5: 1-7.
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  21. Keshavanath, P., B. Gangadhara, T.J. Ramesh, M. Priyadarshini, A.A. Van Dam, M.C.J. Verdegem and M.C.M. Beveridge, 2015. Impact of substrates and fish stocking density on growth and production of the Indian major carp, Labeo rohita (Ham.). J. Aquac. Tropics, 30: 1-14.
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  22. Gangadhar, B., N. Sridhar, S. Saurabh, C.H. Raghavendra, M.R. Raghunath and K. Hemaprasanth, 2015. Influence of periphyton based culture systems on growth performance of fringe-lipped carp Labeo fimbriatus (Bloch, 1795) during fry to fingerling rearing. Indian J. Fish., 62: 118-123.
  23. Gangadhar, B., N. Sridhar, S. Saurabh, C.H. Raghavendra, K.P. Hemaprasanth, M.R. Raghunath and P. Jayasankar, 2015. Effect of azolla-incorporated diets on the growth and survival of Labeo fimbriatus during fry-to-fingerling rearing. Cogent Food Agric., .
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  24. Gangadhar, B., N. Sridhar, S. Saurabh, C.H. Raghavendra, K.P. Hemaprasanth, M.R. Raghunath and P. Jayasankar, 2014. Growth response of cirrhinus mrigala fry to azolla (Azolla pinnata)-incorporated diets. Fishery Technol., 51: 156-161.
  25. Gangadhar, B., M.C. Nandeesha and P. Keshavanath, 2014. Growth response of rohu, Labeo rohita (Ham.) fry to salt (NaCl) incorporated diets. Indian J. Fish., 61: 125-128.
  26. Saurabh, S., N. Sridhar, B. Gangadhar, C,H. Raghavendra, M.R. Raghunath, K>P. Hemaprasanth, S.K. Swain and P. Jayasankar, 2013. Growth performance of fry of the black-spot barb Puntius filamentosus (Valenciennes, 1844) fed live feeds and artificial feed. Indian J. Fish., 60: 137-140.
  27. Keshavanath, P., J.K. Manissery, A.G. Bhat and B. Gangadhara, 2012. Evaluation of four biodegradable substrates for periphyton and fish production. J. Applied Aquacult., 24: 60-68.
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  28. Gangadhar, B. and P. Keshavanath, 2012. Growth performance of rohu, Labeo rohita (Ham.) in tanks provided with different levels of sugarcane bagasse as periphyton substrate. Indian J. Fish., 59: 77-82.
  29. Priyadarshini, M., J.K. Manissery, B. Gangadhar, L.M. Rao and P. Keshavanath, 2011. Growth response of Catla catla (Actinopterygii: Cypriniformes: cyprinidae) to soya and maize supplemented traditional feed mixture. Acta Ichthyologica Piscatoria, 41: 159-164.
  30. Priyadarshini, M., J.K. Manissery, B. Gangadhar and P. Keshavanath, 2011. Influence of feed, manure and their combination on the growth of Cyprinus carpio (L.) fry and fingerlings. Turk. J. Fish. Aquat. Sci., 11: 577-586.
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  31. Manjappa, K., P. Keshavanath and B. Gangadhara, 2011. Influence of sardine oil supplemented fish meal free diets on common carp (Cyprinus carpio) growth, carcass composition and digestive enzyme activity. J. Fish. Aquat. Sci., 6: 604-613.
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  32. Keshavanth, P., S. Khadri and B. Gangadhar, 2011. Growth performance, muscle composition and digestive enzyme activity of Macrobrachium rosenbergii (De Man) fed salt incorporated diets. J. Aquac. Tropics, 26: 55-62.
  33. Keshavanth, P., K.E. Jayaram and B. Gangadhar, 2011. Effect of feed additive nutripro-aqua on growth, muscle composition and digestive enzyme activity of macrobrachium rosenbergii (de Man). J. Aquac. Tropics, 26: 103-112.
  34. Manjappa, K., P. Keshavanth and B. Gangadhara, 2009. Performance of Catla catla (Ham.) fingerlings fed with carbohydrate rich diets in manured tanks. Asian Fish. Sci., 22: 991-1004.
  35. Keshavanath, P., D.K. Sarma and B. Gangadhara, 2009. Effect of mibolerone on the reproductive physiology of Clarias batrachus during the preparatory season. In: Recent advances in hormonal physiology of fish and shellfish reproduction. Singh, B.N. and A.K. Pandey, (Ed.). Narendra Publishing, New Delhi, India, pp: 277-286.
  36. Gangadhar, B. and P. Keshavanath, 2008. Planktonic and biochemical composition of periphyton grown on some biodegradable and non-degradable substrates. J. Applied Aquacult., 20: 213-232.
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  37. Keshavanath, P., B. Gangadhara and N. Basavaraj, 2006. Induced breeding of pond raised mahseer, Tor khudree using carp pituitary and ovaprim. Asian Fish. Sci., 19: 411-422.
  38. Keshavanath, P. and B. Gangadhara, 2006. Evaluation of sugarcane by-product pressmud as a manure in carp culture. Bioresour. Technol., 97: 628-634.
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  39. Keshavanath, P. and B. Gangadhara, 2005. Research on periphyton-based aquaculture in India. In: Periphyton: Ecology, Exploitation and Management. Azim, M.E., M.C.J. Verdegem, A.A. Van Dam and M.C.M. Beveridge, (Ed.). CABI Publishing, Oxfordshire, UK, pp: 223-236.
  40. Manissery, J.K., K. Venkateshmurthy, B. Gangadhara and M.C. Nandeesha, 2004. Breeding performance of catla, Catla catla (Ham.) fed with different formulated diets. Fishery Technol., 41: 1-4.
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  41. Keshavanath, P., B. Gangadhar, T.J. Ramesh, A.A. van Dam, M.C.M. Beveridge and M.C.J. Verdegem, 2004. Effects of bamboo substrate and supplemental feeding on growth and production of hybrid red tilapia fingerlings (Oreochromis mossambicus x Oreochromis niloticus). Aquac., 235: 303-314.
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  42. Gangadhara, B., P. Keshavanath, and T.J. Ramesha, 2004. Digestibility of bamboo grown periphyton by carps and tilapia. J. Appl. Aquac., 15: 151-162.
  43. Gangadhara, B., M.C. Nandeesha, P. Keshavanath and T.J. Varghese, 2004. Growth response, biochemical composition and digestive enzyme activity of Labeo rohita (Ham.) fed salt incorporated diets. J. Appl. Aquac., 16: 169-176.
  44. Nandeesha, M.C., B. Gangadhara and J.K. Manissery, 2002. Further studies on the use of mixed feeding schedules with plant and animal-based diets for common carp Cyprinus carpio (Linnaeus). Aquac. Res., 33: 1157-1162.
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  45. Manjappa, K., P. Keshavanath and B. Gangadhara, 2002. Growth performance of common carp, Cyprinus carpio fed varying lipid levels through low protein diet, with a note on carcass composition and digestive enzyme activity. Acta Ichthyol. Piscat., 32: 146-155.
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  46. Maheshappa, K., T.J. Ramesha, B. Gangadhar and T.J. Varghese, 2002. Effect of feeding livol incorporated diet on nutrient digestibility, body indices and organoleptic quality of rohu, Labeo rohita. Indian J. Fish., 49: 447-450.
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  47. Keshavanath, P., K. Manjappa and B. Gangadhara, 2002. Evaluation of carbohydrate rich diets through common carp culture in manured tanks. Aquacult. Nutrit., 8: 169-174.
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  48. Keshavanath, P., B. Gangadhar, T.J. Ramesh, M.C.M. Beveridge, M.C.J. Verdegem, A.A. Van Dam and D.J. Baird, 2002. Performance of indigenous carps, Tor khudree and Labeo fimbriatus in fed and non-fed tanks with different bamboo substrate densities. Aquac., 213: 207-218.
  49. Hanumanthappa, H., P. Keshavanath, A.T.R. Naik and B. Gangadhar, 2002. Effect of a non-hormonal feed additive, Cholymbi on growth, body composition and digestive enzyme activity of common carp, Cyprinus carpio. Indian J. Exp. Biol., 40: 366-368.
    PubMed  |  
  50. Gangadhara, B., M.C. Nandeesha, P. Keshavanath and J.K. Manissery, 2002. Evaluation of rapeseed meal as a feed ingredient in catla (Catla catla) diet. J. Aquac. Trop., 17: 261-272.
  51. Nandesha, M.C., B. Gangadhara, J.K. Manissery and L.V. Venkataraman, 2001. Growth performance of two Indian major carps, catla (Catla catla) and rohu (Labeo rohita) fed on diets containing different levels of Spirulina platensis. Bioresour. Tech., 80: 117-120.
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  52. Manissery, J.K., D. Krishnamurthy, B. Gangadhara and M.C. Nandeesha, 2001. Effect of varied levels of dietary protein on the breeding performance of common carp Cyprinus carpio. Asian Fish. Sci., 14: 317-322.
  53. Keshavanath, P., T.J. Ramesh, B. Gangadhar, M.C.M. Beveridge, A.A. van Dam and M.C.J. Verdegem, 2001. A field trial on pond carp production with sugarcane bagasse as substrate for periphyton. Asian Fish. Sci., 14: 367-376.
  54. Keshavanath, P., B. Gangadhar, T.J. Ramesh, J.M. van Rooij and M.C.M. Beveridge et al., 2001. Use of artificial substrates to enhance production of freshwater herbivorous fish in pond culture. Aquacult. Res., 32: 189-197.
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  55. Gireesha, O., T.J. Ramesha, B. Gangadhara and T.J. Varghese, 2001. Nutrient digestibility, body indices and organoleptic quality of Catla, Catla catla fed Livol-F incorporated diets. Livestock Int., 5: 11-14.
  56. Abraham, S., T.J. Ramesha, B. Gangadhara and T.J. Varghese, 2001. Growth response of common carp, Cyprinus carpio (Linn.) to varied levels of Livol, a nonhormonal growth promoter. Indian J. Fish., 48: 397-401.
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  57. Ramesh, T.J. and B. Gangadhara, 2000. Physico-chemical characteristics of different aquatic systems. Curr. Res., 29: 171-173.
  58. Nandeesha, M.C., B. Gangadhara, T.J. Varghese and P. Keshavanath, 2000. Growth response and flesh quality of common carp, Cyprinus carpio fed with high levels of nondefatted silkworm pupae. Asian Fish. Sci., 13: 235-242.
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  59. Nandeesha, M.C., B. Gangadhara, T.J. Varghese and P. Keshavanath, 2000. Effect of dietary sodium chloride supplementation on growth, biochemical composition and digestive enzyme activity of Cyprinus carpio (Linn.) and Cirrhinus mrigala (Ham.). J. Aquacult. Tropics, 15: 135-144.
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  60. Manissery, J.K., D. Krishnamurthy, B. Gangadhara and M.C. Nandeesha, 2000. Nursery rearing of catla (Catla catla) under different dietary protein and fertilization levels. Fishery Technol., 36: 120-140.
  61. Gangadhara, B., M.C. Nandeesha, T.J. Varghese and P. Keshavanath, 2000. Effect of 19-norethisterone on growth, biochemical composition and gut digestive enzyme activity of common carp, Cyprinus carpio L. J. Aquacult. Tropics, 15: 1-10.
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