PROF. OLELE, NKEONYEASUA F

Email: Olelenf@delsu.edu.ng

    • Area of Specialization: Hydrobiology
    • Department of Animal Science & Fisheries

 

  • My Career Mission is to professionally and positively impact on the University that employed me and by doing so build myself and humanity.

My Publications

  1. Okoro, P. U. Ikenga E.E; Garba, A. A. and OLELE, N.F. (2019) Length-Weight Relationship, Morphometric Characteristics and Age Determination of Oreochromis niloticus Caught from Onah Lake, Asaba., Journal of Agriculture, Food and Environment
    https://www.jafedelsu.com/archive/details.html Vol.6 (1): Pages: 45-52
  2. Onwudiwe, N. P; Ikenga, E.E; Garba, A. A; Adaka, G.S and Olele, N.F (2018) Distribution, Abundance and Diversity of Phytoplankton in Onah-Lake, Asaba, Delta State, Nigeria., Journal of Agriculture, Food and Environment
    Vol.5 (3): Pages: 30-37.
  3. Obori, U. R.; Ikenga E.E; Garba, A. A. Adaka, G. S and OLELE, N.F. (2018) Fresh and brackish water plankton of Delta State, Nigeria. . , Proceedings of the 33rd Annual Conference of the Fisheries Society of Nigeria: FISON
    Vol. Pages: 293-296
  4. Edafitite, O. K.; Adaka, G. S. and OLELE, N. F . (2018) Physico-chemical parameters of selected traditional ponds in camp 74 fish farm, Asaba, Nigeria, Proceedings of the 33rd Annual Conference of the Fisheries Society of Nigeria: FISON
    Vol. Pages: Pp: 551-553
  5. 17.37 Nwaka, S.U; Edoziem, E. U and OLELE, N. F. (2016) Microorganisms from infected concrete tank of Clarias gariepinus (BURCHELL, 1822) juveniles and their sensitivity to synthetic antibiotics. , Journal of Agriculture, Forestry and Fisheries
    Vol.15 (2): Pages: 83-88
  6. Adaka G.S, OLELE N.F (2015) Length-weight relationship and condition factor of Heterobranchus bidorsalis (Geoffroy St-Hilaire, 1809) caught in Njaba River, Southeast, Nigeria., International Journal of Fisheries and Aquatic Studies.
    https://www.fisheriesjournal.com/archives/?year=2015&vol=3&issue=2&part=D&ArticleId=308 Vol.3(2): Pages: 279-282.
  7. OLELE N.F, Ikenga E.E, Bratte L, Adaka G.S (2015) Effects of dietary protein levels and stocking densities on growth, and survival of monosex Oreochromis niloticus , International Journal of Fisheries and Aquatic Studies
    Vol.3(2): Pages: 12-16
  8. Adaka, G S., Etim, I. N., OLELE, N. F and Nlewadim, A. A (2015) Assessment of fishing gear, craft and efforts by artisanal fishers in Imo River at Owerri-NTA, South East Nigeria., Journal of the Science of Aquaculture, Food Technology and the Environment.
    Vol.14: Pages: 174-177
  9. 17.35 Ikenga, E. E; OLELE, N. F and Adaka, G. S. (2015) Fatty acid and amino acid composition of monosex Oreochromis niloticus at various crude protein levels, Agricultural Society of Nigeria
    Vol.2: Pages: 174-177
  10. OLELE, N.F; Ikenga. E.E; and Adaka, G. S. (2015) Length-weight relationship of male Oreochromis niloticus fed various crude protein rations at different stocking densities, Journal of Agriculture, Food and Environment
    Vol.2 (3) 82 – 88. Pages: 82 – 88.
  11. 17.29 OLELE, N.F, Ekokotu, P.A. and Wangboje, O. M. (2014) Evaluation of some heavy metals on surface water of Warri River, Warri, Delta state, Nigeria, Journal of Agriculture, Food and Environment
    Vol.1 (1): . Pages: 80-86
  12. 17.29 OLELE, N.F, Ekokotu, P.A. and Wangboje, O. M. (2014) Evaluation of some heavy metals on surface water of Warri River, Warri, Delta state, Nigeria., Journal of Agriculture, Food and Environment
    Vol.1 (1): Pages: 80-86
  13. 17.62 Ekokotu, P. A. and. OLELE, N.F. (2014) Cycle of gonad maturation, condition index and spawning of Clarotes Laticeps (Claroteidae) in the lower River Niger., International Journal of Fisheries and Aquatic Studies.
    Vol.1(6): Pages: 144-150.
  14. OLELE, N.F. and Tighiri O. H. (2013) Optimization of triploidy induction and growth performance of Clarias anguillarias (AFRICAN CATFISH) using cold shock. , International Proceeding of Social and Behavioral Sciences.
    Vol. 1 (1): Pages: 33-40.
  15. OLELE, N.F, Onyema, M. I. and Odiko, A. E. (2013) Growth performance, survival rate and nutrient profile of Clarias gariepinus fingerlings fed rations of soybean as alternative protein source., International Proceeding of Social and Behavioral Sciences.
    Vol.1 (1): Pages: 48-57.
  16. OLELE, N.F. and Tighiri O. H. (2013) Optimization of triploidy induction and growth performance of Clarias anguillarias (African catfish) using cold shock. , Academic Journal of Interdisciplinary Studies
    Vol.(Special Edition) 3 (7): Pages: 189-196.
  17. 17.55 OLELE, N.F, Onyema, M. I. and Odiko, A. E. (2013) Growth performance, survival rate and nutrient profile of Clarias gariepinus fingerlings fed rations of soybean as alternative protein source., Journal of Interdisciplinary Studies
    Vol.(Special Edition) 2 (10): Pages: 193-202.
  18. OLELE, N.F. (2013) Food items and general condition of Hyperopisus bebe occidentalis (Lacepede, 1803) caught in Warri River, Nigeria. , Archiva Zootechnica
    Vol.16 :(2) Pages: 43-57.
  19. OLELE, N.F.; Nwabueze, A.A. and Ekelemu, J.K. (2013) Chemical composition of earthen pond feed from spring water, in Asaba Campus, Asaba, Delta State, Nigeria. ., Journal of Agricultural Science and Technology
    Vol.B 3: Pages: 56-61.
  20. Nwabueze, A.A., OLELE, N.F. and Ekelemu, J.K. (2013) Saprolegniasis in freshwater catfishes sold in fish markets in Asaba, Southern Nigeria, Agricultural Science
    Vol. 1: Issue 2: Pages: 10-17.
  21. Akinsorotan, A.M; Zelibe, S.A.A. and N.F. OLELE. (2013) Acute toxicity and behavioral changes on African Catfish (Clarias gariepinus) Exposed To Dizensate (Glyphosate Herbicide)., International Journal of Scientific & Engineering Research.
    Vol.4: Issue 3, Pages: 1-5
  22. Akinsorotan, A.M; Zelibe, S.A.A. and N.F. OLELE (2013) Histopathological effects of Acutely Toxic Levels of Dizensate (glyphosate herbicide) on Gill and Liver of Clarias gariepinus Adult., International Journal of Scientific & Engineering Research.
    Vol.4: Issue 3, Pages: 1-5
  23. OLELE, N.F.; Nwachi, F.O. and Oshemughem, F.O. (2013) Chemical and biological assessment of Chrysichthys furcatus from River Niger at Cable Point, Asaba., Journal of Fisheries and Aquatic Science.
    Vol.8 (1): Pages: 59-65.
  24. Arasomwan O.L. and OLELE, N. F. (2012) Nutrient composition of frozen and smoked fish specimens of Oreochromis nilloticus, Labeo coubie and Mormyrops deliciosus from River Niger., Proceedings of the 27th Annual Conference of the Fisheries Society of Nigeria. (FISON).
    Vol. Pages: 177- 179
  25. Tighiri, O. H. and OLELE, N. F. (2012) The status of fish genetics and breeding towards sustainable aquaculture in Nigeria. , Proceedings of the 27th Annual Conference of the Fisheries Society of Nigeria. (FISON).
    Vol. Pages: 203- 205.
  26. OLELE, N. F. and Tighiri O. H. (2012) Mono and polyculture of Clarias gariepinus and Oreochromis niloticus at various stocking ratios. ., 12th Annual Scientific Conference of Nigerian Society for Experimental Biology (NISEB)
    Vol. Pages: 21-25
  27. OLELE, N.F.; Tawari-Fufeyin P. and Okonkwo, J. C. (2012) Reproductive biology of freshwater prawn Macrobrachium vollenhovenii (Herklot, 1857) caught in Warri River., Archiva Zootechnica.
    http://ibna.ro/arhiva/AZ%2015-4/AZ%2015-4_05_olele.pdf Vol.15 (4): Pages: 41-57.
  28. Ekelemu, J.K; Nwabueze, A A and OLELE, N.F. (2012) Growth response of Heteroclarias fingerlings exposed to varying duration of light., International Journal of Biology, Pharmacy and Allied Sciences
    Vol.1 (11): Pages: 1618-1624.
  29. OLELE, N. F. and Okonkwo, J. C. (2012) Replacement of fish meal with graded levels of earthworm meal in the diet of fingerlings: Effect on feeds and growth parameters., Journal of Agricultural Science and Technology.
    Vol. 2(7): Series 15; Pages: 901-908.
  30. OLELE N. F. and Tighiri, O. H. (2012) Impact of Stocking Density on the Polyculture of Clarias gariepinus and Oreochromis niloticus. , Journal of Agricultural Science and Technology.
      Vol. 2(8):Series 16: Pages: 1018 – 1023.
  31. OLELE, N. F. and Kalayolo, P. E (2012) Morphometric characteristics of the giant African river prawn, Macrobrachium vollenhovenii (Herklot, 1857) caught from Warri River coast., Journal of Agricultural and biological Sciences.
    http://www.globalresearchjournals.org/journal/?a=journal&id=jabs Vol. 3 (1): Pages: 3 (1):
  32. OLELE, N.F. (2012) Determination of age and growth of Macrobrachium vollenhovenii caught in Warri River, Delta State, Nigeria. , Journal of Life Science
    Vol.2(2): Pages: 47-55
  33. OLELE, N.F. (2012) Determination of age and growth of Macrobrachium vollenhovenii caught in Warri River, Delta State, Nigeria. , Nigerian Journal of Life Sciences.
    Vol.2 (2): Pages: 47 – 55.
  34. OLELE, N.F. (2012) Nutritive composition of boiled, fried and smoked samples of Synodontis membraneceus caught from Onah Lake, Asaba, Nigeria. , Nigerian Journal of Life Sciences.
    Vol.2 (2): Pages: 56-61.
  35. OLELE, N.F. (2012) Nutrient composition of macrophytes harvested from Onah Lake Nigeria, Journal of Agriculture, Food and Environment. .
    Vol.8 (2): Pages: 18-20
  36. OLELE, N.F. (2012) Nutrient composition of Gnathonemus tamandua, Chrysichtys nigrodigitatus and Auchenoglanis bisculatus caught from River Niger. , Nigeria Journal of Agriculture, Food and Environment.
    Vol.8 (2): Pages: 21-27.
  37. OLELE, N. F. and Garba, A. A. (2012) The role of information and communication technology in aquaculture and fisheries development in Nigeria., Current Issues in Sustainable Tropical Agriculture.
    In: Etim, L and Oribhabor B. (Editors). Vol. Pages: pp 34-37.
  38. OLELE, N. F. and Tighiri O. H. (2012) A review on inbreeding management in fish seeds production, Current Issues in Sustainable Tropical Agriculture.
    In: Etim, L and Oribhabor B. (Editors). Vol. Pages: 4 4-51.
  39. OLELE, N. F and Shaba, E. E. (2012) Current and future prospects of fish seed availability from capture and culture fisheries in Nigeria, Current Issues in Sustainable Tropical Agriculture.
    In: Etim, L and Oribhabor B. (Editors). Vol. Pages: 59- 65.
  40. Tighiri O. H. and OLELE, N. F. (2011) The role of biotechnology in aqua-cultural development in Nigeria. , Proceedings of the 26th Annual Conference of the Fisheries Society of Nigeria. (FISON).
    Vol. Pages: pp 308- 314.
  41. OLELE, N.F. (2011) The status of aqua-cultural development in Nigeria, Journal of Agriculture Forestry and Fisheries.
    Vol.12: (1&2): Pages: 1- 4.
  42. OLELE, N.F. (2011) Proximate composition of Mormyrus hasselquisti, Hemisynodontis membraneceous and Synodontis schall caught from River Niger. , Journal of Agriculture, Forestry and Fisheries
    Vol.12 :(1&2): Pages: 9-13
  43. OLELE , N.F. (2011) Comparative Studies on the use of natural and artificial based feeds for the culture of Clarias gariepinus fingerlings. , Journal of Agricultural and Biological Science.
    https://www.cabdirect.org/cabdirect/abstract/20113064415 Vol. 6 (1): Pages: 9-13
  44. OLELE , N. F. and Etim, L. (2011) Some aspects of the biology of Synodontis nigrita (Curvier and Valencienes 1864) in Onah Lake, Asaba Nigeria., Journal of Agricultural and Biological Science
    https://www.cabdirect.org/cabdirect/abstract/20113064415 Vol. 6 (1): Pages: 56-63.
  45. OLELE, N.F. (2010) Concentration and elimination of heavy metal from poisoned specimens of Clarias gariepinus fingerlings caught from Adaeze Farm, Asaba, Delta State, Nigeria., Journal of Applied Sciences Research
    https://www.researchgate.net/journal/Journal-of-Applied-Sciences-Research-1816-157X Vol.6(11): Pages: 1766-1770.
  46. OLELE, N.F. (2010) Reproductive biology of Sarotherondon galilaeus (Artedi, 1757) in Onah Lake Delta State, Nigeria. , Journal of Applied Sciences Research.
    https://www.researchgate.net/journal/Journal-of-Applied-Sciences-Research-1816-157X Vol.6(12): Pages: 1981-1987.
  47. OLELE, N.F (2010) Food habit of the African River prawn: Machrobranchium vollenhovenii (Herkiots, 1857) caught in Warri River. , Journal of Agriculture, Forestry and Fisheries
    Vol.11: Pages: 29-37.
  48. Etim, L.; OLELE , N.F.; Udo, M. T. and Brownson, l. l. (2010) The reproductive characteristics of Mudskipper Periophthalmus barbarous (Linnaeus, 1760) (Teleostei, Gobiidae) in the Estuarine swamps of the Imo River, Nigeria, Global Journal of Pure and Applied Sciences
    Vol.16 (4) Pages: 395-400.
  49. Agbogidi, O. M. and OLELE, N.F. (2009) Effect of excessive population of macrophytes in water bodies. Journal of Sustainable , Tropical Agricultural Research
    Vol.31: Pages: 82-86.
  50. Etim, L. OLELE, N.F. and Ochuko, E.J. (2009) Blood characteristics of Oreochromis niloticus (Nile tilapia) from Ona Lake, Asaba Delta State, Nigeria. , African Journal of Environmental Pollution and Health.
    Vol.7 Pages: 43-46.
  51. OLELE, N.F. and Ekelemu, J.K (2009) Physical, chemical and periphyton/phytoplankton study of Onah Lake, Asaba, Nigeria , Discovery and Innovation
    www.ajol.info › index.php › njbas Vol.21 Pages: 1-2
  52. OLELE, N.F. (2008.) Diets of three species of fish (Heterotis niloticus, Sarotherondon galilaeus and Synodontis nigrita) caught in Onah Lake, Asaba, Deita State, Nigeria. , Journal of sustainable Tropical Agricultural Research.
    https://doi.org/10.1080/13892240802416186 Vol.(27 Pages: 7-12.
  53. OLELE, N.F. (2008) Reproductive biology of Heterotis niloticus in Onah Lake, Delta State, Nigeria. , Journal of Sustainable Tropical Agricultural Research. 28: 59-68.
    Vol.28 Pages: 59-68.
  54. Ofuoku, A.U.; OLELE , N.F. and Emah, G. (2008) Determinants of adoption of improved fish production technologies among fish farmers in Delta State, Nigeria. , Journal of Agricultural Education and Extension.
    https://www.tandfonline.com/doi/abs/10.1080/13892240802416186 Vol. 14 (4): Pages: 297-306.
  55. OLELE, N.F.; A. Obi and V.A. Okonji (2008) Composition, abundance and distribution of fishes in Onah Lake, Asaba, Nigeria, Journal of Agriculture, Science and Technology.
    https://www.ajol.info/index.php/uniswa-rjast/article/view/53550 Vol.11 (1): Pages: 33-43.
  56. Etim, L.; OLELE, N.F. and Etuk, I. U. (2007) Haematology of Clarias gariepinus in a little stream farm, Ibesikpo-Asutan, Akwa Ibom State, Nigeria. Nigeria, Nigeria Journal of Agriculture, Food and Environment.
    Vol.4: (1-4) Pages: 77-79.
  57. 10 OLELE, N.F. and Obi, Akolisa. (2006) Morphometric growth in Citharinus citharus in Onah Lake, Delta State, Nigeria., Nigeria Journal of Fisheries.
    Vol.Nigeria Journal of Fisheries. 23 (2) Pages: 290-298.
  58. OLELE, N.F. and A. Obi. (2005). (2005) Age and growth determination in Citharinus citharus (Geoffrey and St. Hilaire, 1809) in Onah Lake, Delta State, Nigeria. , Tropical Freshwater Biology.
    https://www.ajol.info/index.php/tfb/article/view/20886 Vol.14: . Pages: 9 – 18
  59. OLELE, N.F. and S. Zelibe . (2005) Periphytons of Oboshi River, Delta State of Nigeria., The Nigeria Journal of Research and Production.
    Vol.7(4) Pages: 78-87
  60. OLELE, N.F. and F. Auchi (2005) Nutrient status of Oboshi River, Delta State of Nigeria, The Nigerian journal of Research and Production.
    Vol.7(3). Pages: 25-35.
  61. OLELE, N.F. and Obi, Akolisa (2005) Aspects of the physico-chemical limnology of Onah Lake, Delta State, Nigeria. ., African Journal of Information Technology (AJIT).
    ISSN: 1595-1561 Vol. 8 (1&2): Pages: 119-129.
  62. OLELE, N.F. and Obi, Akolisa (2005). (2005) Aspects of the physico-chemical limnology of Onah Lake, Delta State, Nigeria. , African Journal of Information Technology (AJIT).
    ISSN: 1595-1561. Vol. 8 (1&2):8 Pages: 119-129.
  63. OLELE, N.F. and Obi, Akolisa (2003/2004).. . (2003/2004) Reproductive Biology of Citharinus citharus in Onah Lake, Asaba, Delta State of Nigeria, Tropical Freshwater Biology.
    https://www.ajol.info//index.php/tfb/article/view/20882 Vol. 12/13 Pages: 119 – 129.
  64. Ojeifo, M., Ekokotu, P.A., OLELE, N.F. and Ekelemu, J.K. . (2002) A review of the utilization of water hyacinth: Alternative and sustainable control measures for a noxious weed. , Proceedings of the International Conference on Water Hyacinth..
    https://www.researchgate.net/publication/42762905_Review_of_the_Utilisation_of_Water_Hyacinth_Al Vol. Pages: 71 – 78
  65. OLELE, N.F. (2000). (2000) Bacterial flora isolated from Oreochromis niloticus (Tilapia) stored at low temperature, Tropical Freshwater Biology.
    www.ajol.info › index.php › njbas Vol. 9 Pages: 57 – 66.
  66. Agbogidi, O.M., Bamidele, J.E., Ekokotu, P.A. and OLELE, N.F. (1999) The role and management of aquatic macrophytes in fisheries and aquaculture., Issues in Animal Science
    Vol.10(3) Pages: 221 – 235.
  67. OLELE, N.F. and Agbogidi, O.M. (1999) The Diversity and Protection of Aquatic Habitat in Nigeria. , Issues in Animal Science.
    Vol.10(4) Pages: 10(4) 236 – 257.
  68. 17.38 Adaka G. S, OLELE, N.F and Ikenga, .E.E ((2016).) Physico-chemical parameters of Njaba River, southeastern Nigeria International , Journal of Entrepreneurship Studies and Development.
    Vol.1 (1): Pages: 1-11
  69. Adaka, G S., Etim, I. N., Nlewadim, A. A., OLELE, N. F and Ezefulukwe, C.F. ((2015). ) Assessment of fish landed by artisanal fishers in IMO River at Owerri-NTA, Abia State, Nigeria., Journal of fisheries and Aquatic Sciences
    Vol.10(6): Pages: 587-591
  70. 17.31 OLELE, N. F; Falodun, E. D and Wangboje, O. M. ((2014).) Some heavy metals in surface water, sediment and fish (Clarias gariepinus) from Ikpoba River Benin-City, Edo-State, Nigeria., Journal of Agriculture Science Environment
    Vol.13: Pages: 71- 79
  71. OLELE, N.F; Ibeyon, M. K and Adaka, G.S ((2014). ) Length weight relationship, condition factor and allometric growth pattern of Machrobranchium vollenhovenii caught in Warri River, South Eastern Nigeria. , Nigerian Journal of Life Sciences.
    Vol.4 (1): Pages: 137 – 145.
  72. OLELE, N.F; Kemie, L. A. and Adaka, G. S. ((2014)) Length frequency distribution, allometric growth and morphometric characteristics of Oreochromis niloticus from Ovia River. , Nigerian Journal of Life Sciences.
    Vol.4 (1): Pages: 126 – 136.
  73. OLELE, N. F. and Ekokotu, P.A . ((2014)) Proximate composition of Ethmalosa fimbriata (Bowdich, 1825) from Warri River, Nigeria, Journal of Agriculture, Food and Environment
    Vol.1 (2): Pages: 156-162
  74. Etim, L.; OLELE, N.F. and Etuk, I. U. ((2009).) The haematological parameters of Heterobranchus longifilis in Little Stream Farm, Ibesikpo Asutan L.G.A., Akwa Ibom State, Nigeria., African Journal of Environmental Pollution and Health
    Vol.7: Pages: 53-54.
  75. OLELE, N.F. and Ekelemu, J.K ((2009)) Physical chemical and periphyton/phytoplankton study of Onah Lake, Asaba, Nigeria. , Journal of Sustainable Tropical Agricultural Research. .
    https://www.ajol.info/index.php/dai/article/view/48181 Vol.21 Pages: 1-2
  76. OLELE, N.F., Nweke, F.C. and Agbogidi, O.M. ((1999)) Role of integrated fish farming in agricultural development in the Delta region of Nigeria, Delta Agriculturist.
    https://www.researchgate.net/publication/350487340_ROLE_OF_INTEGRATED_FISH_FARMING_IN_AGRICULTURAL_DEVELOPMENT_IN_THE_DELTA_REGION_OF_NIGERIA Vol.6 Pages: 128-134
  77. OLELE, N.F. and Obi, Akolisa . ( 2006) Food habits and condition factor of the moonfish, Citharinus citharus in Onah Lake, Delta State of Nigeria. , UNAAB. ASSET
    Vol. ASSET series A. 6 (2) Pages: 115-123.
  78. Tawari, F.P; Uku, O. R. M. and OLELE, N.F. ( 2006) Bioaccumulation and elimination of ’Fe’ and ‘Cr’ from Parachanna obscura. , Tropical Journal of Environmental Health.
    Vol.9 (1): Pages: 29-33.
  79. Etim, L. OLELE, N.F. and Onome, O. C. ( (2007).) Ichthyo-Haematology of Malapterurus electricus (Electric Fish) in Onah Lake, Asaba, Delta State, Nigeria. , Nigeria Journal of Agriculture, food and Environment
    Vol. 4: (1-4) Pages: 61-64.
  80. OLELE, N.F., Okonkwo, J.O. and F. Ofuani (2001). ( (2001).) “Incidence of Pathogenic Bacteria in Asejire Lake, Western Nigeria, Tropical Freshwater Biology.
    https://www.ajol.info//index.php/tfb/article/view/20842 Vol.10 Pages: 75-80