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Dr. Oluwatosin Ohotuowo Kennedy

Senior Lecturer
Animal Science
oluwatosin.kennedyoko@unical.edu.ng

Oluwatosin Ohotuowo Kennedy Oko is a Senior Lecturer in the Department of Animal Science, Faculty of Agriculture, Forestry and Wildlife Resources Management, University of Calabar, Calabar, Nigeria. She obtained her B. Agric. (2000), M. Sc. (2004) and Ph.D. (2010) degrees from the University of Calabar, Calabar. She has supervised over 40 undergraduate, 3 Ph.D. 1 M.Sc. and 4 PGD students and has carried out researches in the field of Animal physiology for the past 13 years. Her current research interest is in the exploration of natural feed ingredients as alternative antibiotic growth promoters for farm animals (emphasis-poultry species). Oko is a registered member of the Nigerian Institute of Animal Science (RAS 218) and the Royal Society of Biology, United Kingdom. She is a member of several renowned professional societies and networks both internationally and nationally. She is a recipient of several awards amongst which are; Fellow of the International Foundation of Science, Fellow of the Institute of Corporate Administration, Fellow of the Institute of Human and Natural Resources and Fellow of the Netherland Fellowship Programme. Oko Oluwatosin has attended several seminars, workshops and conferences at local and international fora. She has over 50 publications to her credits and has held several administrative positions at the Departmental, Faculty and Institutional levels. She is also serving as reviewer for several local and internationally journal including; African Journal of Traditional, Complementary and Alternative Medicines, Nigerian Poultry Science Journal, Indian Journal of Animal Sciences, Science Alert, World Applied Sciences Journal and Indian Journal of Agricultural Sciences.

Oko, O. O. K., Asuquo, O. R., Agiang, E. A., and Osim, E. E. (2017). Neuroendocrine and behavioural responses of Japanese quails to dietary Aspilia africana leaf meal and extracts. Journal of Livestock Science, 8, 43-51.


Ozung, P. O., Oko, O. O. K., Agiang, E. A., Eburu, P. O., Evans, E. I., and Ewa, C. E. (2017). Growth performance and apparent nutrient digestibility coefficients of weaned rabbits fed diets containing different forms of cocoa pod husk meal. Agriculture and Food Sciences Research, 4(1), 8-19.


Eneji, C. A., Kalio, G. A., and Oko, O. K. (2015). Carcass composition of West African dwarf (WAD) goats fed cassava peel-based diets. Journal of Agriculture Science, 4(1), 168-173.


Ozung, P. O., Oko, O. O. K., and Agiang, E. A. (2016). Composition of Differently Treated Forms of Cocoa Pod Husk Meal (CPHM). Asian Journal of Agricultural Sciences, 8(2), 5-9.


Oko, O. K. Anya, M. I., Ozung, P. O., Eyong, I. I., and Mboto, L. F. (2016). Seasonal changes in the Aspilia africana chemical composition of plant grown in Nigeria. Asian Journal of Agricultural Sciences, 8(4), 18–24.


Asuquo, O. R., Ottoh, M. O., Eluwa, M. A., Oko, O. K., and Ekanem, T. B. (2013). Locomotor activity of ethanolic extract of Spondias mombin leaf. International Journal of Pharmaceutical Science Invention, 2(10), 31–35.


Eneji, C. A., Kalio, G. A., and Oko, O.O. K. (2012). Sensory Evaluation of Meat of West African Dwarf Goats Fed Crop By-Products in Cross River State, Nigeria. Journal of Agricultural Science, 4(4), 169–173.


Asuquo, O. R., Ekanem, T. B., Eluwa, M. A., and Oko, O. O. (2012). Evaluation of toxicological effects of Spondias mombin in adult male Wistar rats. Journal of Natural Science Research, 2(7), 144–151.


Asuquo, O.R., Oko, O. O. K., Brownson, E. S., Umoetuk, G. B., and Utin, I. S. (2013). Effects of ethanolic leaf extract of Spondias mombin on the pituitary–gonadal axis of female Wistar rats. Asian Pacific Journal of Reproduction, 2(3), 169–173.


Oko, O. O. K., Agiang, E. A., Osim, E. E., and Asuquo, O. R. (2011). Toxicological evaluation of Aspilia africana leaf in mice. American Journal of Pharmacology and Toxicology, 6(3), 96–101.


Agiang, E. A., Oko, O. O. K., and Essien, G. E. (2011). Quails response to aqueous extract of Bush marigold (Aspilia africana) leaf. American Journal of Animal and Veterinary Sciences, 6(3), 130-134.


Oko, O. O.K., and Agiang, E. A. (2011). Phytochemical activities of Aspilia africana leaf using different extractants. Indian Journal of Animal Sciences, 81(8), 814–818.


Eneji, C. A., Ikpeme, C. A. E., Anya, M. I., and Oko, O. O. K. (2011). Shelf-life quality of rabbit meat under different storage conditions. Journal of Food, Agriculture and Environment (JFAE), 9(3and4), 134-138.


Ikpeme, C. A. E., Eneji, C. A., Boma, E. B., and Olawoyin, O. O. (2008). Storage stability and sensory evaluation of fried Dioscorea alata (Water yam) chips in palm oil, palm olein oil, groundnut oil, soybean oil and their blends. Ethiopian Journal of Environmental Studies and Management, 1(3), 18–23.


Okon, B. I., and Olawoyin, O. O. (2008). Performance characteristics of rabbits fed millet bran as a replacement for wheat bran. African Journal of Animal and Biomedical Sciences, 3(2), 1–4.


Olawoyin, O. O. (2008). Poultry viscera as a complementary source of protein in human diet. African Journal of Animal and Biomedical Sciences, 3(1), 6–9.


Olawoyin, O. O. (2007). Prediction equations and interrelationships among selected growth traits in cockerels. African Journal of Animal and Biomedical Sciences, 2(1), 21–26.


Olawoyin, O. O. (2007). Effects of rubber (Hevea brasiliensis) seed meal on the composition of quail (Coturnix coturnix japonica) eggs. UNISWA Research Journal of Agriculture, Science and Technology, 10(2), 88–92.


Olawoyin, O. O. (2007). Evaluation of the growth parameters of four strains of cockerel. African Journal of Animal and Biomedical Sciences, 2(2), 17–25.


Olawoyin, O. O., Agiang, E. A., Eneji, C. A., and Iso, I. E. (2007). Nutritional evaluation of the thigh and breast muscles of four cockerel strains. African Journal of Animal and Biomedical Sciences, 2(2), 26–31.


Oko, O. O. K., and Mboto, L. F. (2015). Dietary Forage Supplementations and their effects on broiler performance. Journal of Researches in Agricultural Sciences, 3(1and2): 28–34.


Igene, F. U., Oko, O. O. K., Eneji, C. A., and Isika, M. A. (2015). Physiological Responses of Broilers to Dietary Bitter Leaf, Ginger Rhizome and their Mixture. Journal of Researches in Agricultural Sciences, 3(1and2), 57-67.


Oko, O. O. K., and Etukudo, N. M. (2011). Effects of single leafy spices on growth and carcass characteristics of broilers. Nigerian Journal of Animal Science, 13, 123-132.


Oko, O. O. K., Iso, I. E., Udoh, S. P., and Mbre, J. I. (2011). Effects of dietary kaolin supplementation on the growth performance and serum chemistry of broilers. Nigerian Journal of Animal Science, 13, 96–102.


Oko, O. O. K., and Agiang, E. A. (2011). Aspilia africana leaf meal as an egg booster and yolk colourant in quails. International Journal of Agriculture, 3(1), 103–108.


Ogogo, A. U., Olawoyin, O. O., and Ofem, N. E. (2009). Growth and reproductive responses of the African giant snail (Archachatina marginata saturalis) to varying levels of dietary mineral supplementation. International Journal of Agriculture, 1(2), 61–67.


Oko, O. O. K., Agiang, E. A., and Mbre, J. I. (2010). Plantain (Musa paradisiacal) root meal as a coccidiostat in growing cockerels. International Journal of Agriculture, 2(1), 34–38.


Olawoyin, O. O., and Iso, I. E. (2007). Performance indices of rabbits fed Vernonia amygdalina meal supplement. Tropical Journal of Animal Science, 10(1and2), 335-339.


Asuquo, O. R., Igiri, A. O., Olawoyin, O. O., and Eyong, E. U. (2007). Correlation of histological and histometric changes in rat testes treated with chloroquine phosphate. Nigerian Journal of Physiological Sciences, 22(1and2), 135-139.


Agiang, E. A., Olawoyin, O. O., and Ele, I. E. (2006). Break-even analysis and comparative profitability of intensively managed four strains of cockerels in a humid tropical environment. Global Journal of Agricultural Sciences, 5(1), 61-65.


Agiang, E. A., and Olawoyin, O. O. (2006). Estimation of Cockerel body weight using Head Measurements. Tropical Journal of Animal Science, 9(2), 1–9.


Olawoyin, O. O., and Ogogo, A. U. (2006). Prediction of optimum stocking density in growing African giant land snails. Tropical Journal of Animal Science, 9(2), 75-84.


Akpan, I.A., Olawoyin, O.O., and Ekpenyong, I. (2006). Growth response of weaned rabbits to three different leaf diets supplemented with grower’s mash. Tropical Journal of Animal Science, 9(1), 23–29.


Agiang, E. A., Olawoyin, O. O., and Antai, E. (2005). Comparative age changes in the histological characteristics of the testes of four strains of cockerels. Journal of Agriculture, Agricultural Technology and Environment, 1(1), 52–58.


Olawoyin, O.O. (2006). Evaluation of performance and adaptability of the local Nigerian and exotic Harco cockerels in the humid tropical zone. Tropical Journal of Animal Science, 9(1), 63–71.


Olawoyin, O. O., and Agiang, E. A. (2004). Effects of age and strains on the volumetric proportions of some cellular elements of the testes of three exotic and Nigerian cockerels. Tropical Animal Production Investigation, 7(1), 9–18.


Agwunobi, L. N., Olawoyin, O. O., and Eneji, C. A. (2001). The toxic and pharmacologically active components of aerial yam. Applied Natural Sciences Research, 3, 1-7.

No Results for Research Works done

Showing All Conferences Attended

FAO e-mail Conference
Utilization of food loss and waste as well as non-food parts as livestock feed. Summary document of the FAO e-mail Conference in collaoboration with the FAO Save Food communication team. Moderators: Olaf Thieme and Harinder, P. S. Makkar. Page(s), 1–21.
Start: Thursday 1st October, 2015
End: Friday 30th October, 2015
2013 ADSA-ASAS JAM Annual Meeting
Oko, O. O. K., Agiang, E. A., and Ozung, P. O. (2013). Hen performance as influenced by dietary Aspilia africana leaf. TH324. 2013 ADSA-ASAS JAM Annual Meeting, July 08 – 12, Indianapolis, Indiana, USA.
Start: Monday 8th July, 2013
End: Friday 12th July, 2013
XXIV World Poultry Congress
Oko, O. O. K., Agiang, E. A., and Eneji, C. A. (2012). Alterations in lipid profile of quails following dietary Aspilia africana leaf extracts. XXIV World Poultry Congress, August 05 – 09, Bahia Convention Centre, Salvador- Bahia, Brazil. World’s Poultry Science Journal Supplement, 1, 136.
Start: Sunday 5th August, 2012
End: Thursday 9th August, 2012
XIV European Poultry Conference,
Oko, O. O. K., Offiong, E. E., Ayuk, A. A., Agiang, E. A., and Agbede, J. O. (2014). Broiler response to dietary Aspilia africana leaf. XIV European Poultry Conference, June 23–28 Stavanger, Norway, P162. Pp 562.
Start: Monday 23rd June, 2014
End: Saturday 28th June, 2014
The International Congress on Advancements in Poultry Productions in the Middle East and African States
Oko, O. O. K., and Offiong, E. E. (2013). Effects of dietary Aspilia africana leaf on Broiler Performance. The International Congress on Advancements in Poultry Productions in the Middle East and African States, October 21- 25, Antalya, Belek-Turkey, pp, 43- 44.
Start: Monday 21st October, 2013
End: Friday 25th October, 2013
41st Annual Conference of the Nigerian Society for Animal Production
Oko, O. O. K., Ekpe, E. O., Ozung, P. O., Agiang, E. A., and Afolabi, A. F. (2016). Egg performance of Japanese quails as influenced by dietary Aspilia africana leaf meal. 41st Annual Conference of the Nigerian Society for Animal Production, Federal University of Agriculture Abeokuta, Abeokuta, March 20 - 24 (Editor: Oluwatosin, O. O., Sowande, O. S., Olowofeso, O., Egbeyale, L. T., Adeleye, O. O., Njoku, P. C., Osofowora, A. O. and Sanda, A. J.) Page(s), 868–871.
Start: Sunday 20th March, 2016
End: Thursday 24th March, 2016
Tropentag 2013
Ozung, P. O., Oko, O. K., and Ekpo, J. O. (2013). Evaluation of Neem (Azadirachta indica) on growth performance, haematological and serum biochemical characteristics of broilers. Book of Abstract, Tropentag, University of Hohenheim, Germany, September 17–19. Pp, 504.
Start: Tuesday 17th September, 2013
End: Thursday 19th September, 2013
5th Conference/ Workshop on African Giant Land Snails.
Ogogo, A. U., Oko, O. O. K., and Ekpenyong, A. M. (2016). Impacts of Varying Incubating Media on Egg Hatchability of Giant African Land Snails (Archachatina marginata). 5th Conference/ Workshop on African Giant Land Snails, University of Calabar, Calabar. June 05 – 09. (Edited by Okon, B., Ibom, L.A., Asuquo, B. O.). Page(s), 155–159.
Start: Sunday 5th June, 2016
End: Thursday 9th June, 2016
2012 ADSA-ASAS-CSAS-WSASAS Joint Annual Meeting
Oko, O.O. K., Agiang, E. A., and Iso, I. E. (2012). Dietary Aspilia africana leaf on nutrient digestibility and physico- chemical properties of intestinal segments in quails (T153). July 18–22, Phoenix, Arizona, USA, 2012 ADSA-ASAS-CSAS-WSASAS Joint Annual Meeting, Journal of Animal Science, 90 (Supplement1), 308.
Start: Wednesday 18th July, 2012
End: Sunday 22nd July, 2012
1st International Conference on Quail and lesser-known Poultry,
Oko, O. O. K., Edet, G. D., Ekpe, E. O., Ozung, P. O., and Agiang, E. A. (2016). Productive and reproductive responses of quails to dietary supplementation with aqueous extract of Aspilia africana leaf. 1st International Conference on Quail and lesser-known Poultry, Ladoke Akintola University of Technology, Ogbomoso Nigeria, February 15 - 17 (Edited by Odunsi, A. A., Ademola, S. G., Rafiu, T. A., Ojebiyi, O. O. and Akinwunmi, A. O.) Page(s),90-94.
Start: Monday 15th February, 2016
End: Wednesday 17th February, 2016
Tropentag 2016: International Research on Food Security, Natural Resource Management and Rural Development.
Ayuk, A., Oko, O. K.,
Start: Sunday 18th September, 2016
End: Wednesday 21st September, 2016
Advances in Animal Biosciences: Science with Impact.
Oko, O. O. K., Ayuk, A. A., Emeruwa, O. M., Elijah, F. E., Ekpe, E. E., Asuquo, B. O., Okon, B I.,
Start: Wednesday 15th April, 2015
End: Sunday 19th April, 2015
2011 ADSA- ASAS JAM, July 10 - 14, Louisiana, New Orleans, U.S.A.
Oko, O. O. K (2011). Comparative efficacy of Aspilia africana leaf and extracts in quails. 2011 ADSA- ASAS JAM, July 10 - 14, Louisiana, New Orleans, U.S.A. Journal of Animal Science, 89(E-Supplement1), 724.
Start: Sunday 10th July, 2011
End: Thursday 14th July, 2011
Science into Practice, Conference on Animal Science.
Oko, O.O. K., Agiang, E. A., Agwunobi, L. N., Eyoh, G. D., Ozung, P. O.,
Start: Monday 14th April, 2014
End: Saturday 19th April, 2014
20th International Biennial Conference of the Ghana Society of Animal Production (GSAP). University of Cape Coast, Cape Coast, Ghana.
Oko, O. O. K., Ekpe, E. O., Ozung, P. O.,
Start: Tuesday 1st August, 2017
End: Saturday 5th August, 2017
59th Congress and Annual Meeting of the Society for Medicinal and Natural Plant Products.
Oko, O. O., and Agiang, E. A. (2011). Phytochemical activities of Aspilia africana leaf, PF1.59th Congress and Annual Meeting of the Society for Medicinal and Natural Plant Products. Pp.1307. Planta Medica, Journal of Medicinal Plant and Natural Product Research, 12(77), 1307
Start: Sunday 4th September, 2011
End: Friday 9th September, 2011

Showing All Grants Received

Grant Description:
Utilization of Acha (Digitaria exilis) as novel feedstuff for improving poultry productivity and enhancing food security in Nigeria
Grantor:
TETFUND

Amount:
2000000.00  NRN
Date Received:
09.02.2017
Grant Description:
Research grant titled: Potentials of Aspilia africana leaf meal as alternative antibiotics in poultry.
Grantor:
iNTERNATIONAL FOUNDATION FOR SCIENCE

Amount:
12000.00  NRN
Date Received:
09.02.2009
Grant Description:
Research grant titled: improving rabbit productivity using cocoa pod diets
Grantor:
TETFUND

Amount:
2000.00  NRN
Date Received:
02.07.2013