Dr A. Uka is a Senior Lecturer in the Department of Fisheries and Aquatic Resources Management. He has a special interest in fish reproductive biology, breeding and genetic improvement. After his Bachelor Science degree in Zoology at University of Port Harcourt in 1990 and National Youth Service Corps under Katsina State Agricultural and Rural Development Authority (KTARDA) in 1991; he secured employment in Nigerian Institute for Oceanography and Marine Research in 1994 where he worked and rose from Research Officer II to Principal Research Officer in 2003. in 1998, he successfully completed his Master of Science (MSc.) degree in Aquaculture at Rivers State University of Science and Technology, Port Harcourt and in 2012 he obtained Doctor of Philosophy (PhD) degree in Fisheries and Hydrobiology in University of Port Harcourt. During his Doctoral Research, he worked on Hatchery Propagation and Assessment of Genetic parameters for future selection of growth enhancement traits in Tilapia guineensis. He was further trained on the principle of genetics and Tilapia breeding at the Central Laboratory for Aquaculture Research in Abassa Egypt. He has held several leadership positions including Head of Fish Breeding and Genetic Improvement in African Regional Aquaculture Center, Aluu Port Harcourt; Head of Brackish Water Aquaculture Station of Nigerian Institute for Oceanography and Marine Research, Buguma and Head of Fin and Shellfish Breeding Section of Nigerian Institute for Oceanography and Marine Research, Buguma. He has over fifteen years Research and Teaching experience and has supervised myriads of students at undergraduate and graduate levels. His service was transferred to the Michael Okpara University of Agriculture, Umudike in 2013 where he is presently serving as a Senior Lecturer and the Acting Head of Department of Fisheries and Aquatic Resource Management. He is currently involved in the investigative research on hatchery propagation and genetic selection of growth enhancement trait in Cichlid and Cyprinid species of African origin. He is a member of Fishery Society of Nigeria, Aquatic Science Society of Nigeria and Biotechnology Society of Nigeria.
Uka, A., Ayinla, O. A. and Oladosu, G. A. (2004). Morphometric and Blood
group characterization of different populations of Clarias gariepinus. J.
of Agric. Forestry & Fisheries. 5 (1 & 2): 40 – 41.
Uka, A and Sikoki, F. D. (2011). Effects of salinity on the reproduction of Tilapia
guineensis in Niger Delta. J of Aquatic Sciences 26 (1): 43 – 48.
Uka, A., Bashir, R. M. and Akogun, S. O. (2005). Size variation at different ages
in Clarias gariepinus and Clarias gariepinus x Heterobranchus longifilis
hybrid. J. of Aquatic Sciences. 20 (2): 85 – 88.
Uka, A., and Ogunji, J. O. (2007). Point of Irreversible Starvation in Clarias
gariepinus Heterobranchus longifilis hybrid. J of Sci. Agric., Food Tech.
and Environment. 7 (1): 25 – 29.
Uka, A and Edun, M. O. (2011). Effect of body condition on the reproductive
index of Sarotherodon melanotheron in Niger Delta. J of Aquatic
Sciences 26 (1): 65 –71.
Uka, A. and Anyanwu, P. E. (2011). Comparative study of macro-mineral
composition of locally produced and imported fish meal. J of Aquatic
Sciences. 26(1): 37 –42.
Uka, A and F. D. Sikoki. (2013). Effects of hatchery light condition on spawning and
early development of Tilapia guineensis. Nigerian J. of Fisheries 10 (1 & 2):
613 – 617.
Uka, A., Sikoki, F. D. and Edun, M. O. (2012). Effects of salinity on larval
dimension of Tilapia guineensis. J. Fish. Aquat. Sci. 8: 166 – 171
Uka, A and Sikoki, F.D. (2016). Morphometric features and Condition factor
Relationships with reproductive Indices in Tilapia guineensis. International J. of Agric. and Earth Sci. 2 (4): 86 – 93
Edun, M.O and Uka, A. (2011). Biotechnology in Aquaculture: Prospect and
Challenges Nig. J. Biotech. 22: 8 – 12.
Edun, M.O., Akinrotimi, O. A., Uka, A. and Owhonda, K. N. (2010). Patterns of
mudskipper consumption in selected fishing communities in Rivers State. J. of
Agric. and Social Research. 10 (2): 100 – 107.
Omenwa, V. C., Ansa, E. J., Agokei, E. O., Uka, A., and George, O. S (2009).
Microbiological quality of raw, boiled and oven-roasted farm-reared
mangrove oyster, Crassostrea gasar. Assian Jr. of Microbiol. Biotech.
Env. Sc. 11 (1): 13 – 17.
Oladosu, G. A., Busari A. N., Uka, A., Oladosu, O. O., and Ayinla, O. A. (1999).
Influence of salinity on the developmental stages of African Catfish
(Clarias gariepinus). J. Appl. Sci. Environ. Mgt. 2(1): 29 – 34.
Omenwa, V. C., Ansa, E. J, Agokei, E. O., Uka, A and George, O. S (2011).
Microbial quality of raw and processed farm reared periwincles from
brackish water earten pond Buguma, Nigeria. African Jr. of Food Agric., Nutr.
And Development. 11 (2): 9pp.
Alum-Udensi, O and Uka, A. (2017). Role of traditional African Societies in conservation of Aquatic biodiversity in South Eastern Nigeria. Int. J. of Agric. and Rural Development. 20 (2) 3206 – 3211.
Alum-Udensi, O; Egesi, C. O and Uka, A (2016). Application of GPS in Aquaculture and Fisheries. International J. of Agric. and Earth Sci. 2 (4): 40 – 43.
Asanusung, P. S and A. Uka (2016): Efficiency of three reproductive hormones in artificial propagation of Heterobranchus longifilis (Vallenciennes, 1840). J. of Aquatic Sci. 31 (2B): 51
Uka, A and Sikoki, F.D (2016). Estimation of Heritability of growth parameters among siblings of Tilapia guineensis from hierarchical breeding programme. International J. of Agric. and Earth Sci. 2 (4): 60 – 65
Ubuoh, E. A; Uka, A and Egbe, C. (2016). Effects of flooding on soil quality in Abakiliki Agro-ecological zone of south Eastern State, Nigeria. J of Environ. Sci., Computer and Engineering & Technology. 5 (4): 833 – 864.
Uka, A., Oladosu, G. A. and Ayinla, O. A. (1996). Size variation, growth and body
conformation of reciprocal hybrids of Clarias gariepinus (Burchell, 1822)
and Heterobranchus longifilis (GEOFFROY, 1809). NIOMR TECH. 102. 10pp.
Uka, A and Sikoki, F. D. (2012). Influence of Indices of Reproduction on condition
factor and some morphometric features of Tilapia guineensis. Proceedings of the 27th Annual Conference and Biennial General Meeting of The Fisheries Society of Nigeria. Bayelsa, 2012. 370 – 373pp.
Uka, A., Akogun, S.O and Bashir, R. M. (2000). Delayed feeding and Survival of
Clarias gariepinus and Heterobranchus longifilis (male) x Clarias
gariepinus (female) Hybrid. Proceedings of the First Annual Conferrence
of the College of Agriculture and Veterinary Medicine, Abia State
University held on the 10th – 13th Sept. 2000. 17 – 22pp.
Uka, A. (2015) A review of Challenges and Solution of Tilapia Farming in Brackish
Water Environment. In: Proceedings of 30th Fisheries of Nigerian Conference, Asaba. 22 – 27th November, 2015. 248 – 250.
Akinrotimi, O. A., Edun, O. M., Uka, A., Ogori K. T., Mokayi P. K and Owhonda, K. T. (2010). Public Perception of mudskipper consumption in some fishing
Communities of Rivers State. Proceedings of the 25th Annual Conference & Fair of the Fisheries Society of Nigeria (FISON) 25 – 29th October, 2010 at Administrative Staff College of Nigeria (ASCON), Topo, Badagry, Lagos. 4pp.
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