Doctor of Philosophy

i Botanical composition and nutritive value of dominant pasture species in animal areas.
ii Effect of pastoral Fulani settlements on farming activities and seasonal grass quality.
iii Introduction of concept of grass silage among sedentary pastoralists.
iv Nutritive quality of Andropogon tectorum as affected by manure type and age at harvest.
v Chemical composition of Brachiaria ruziziensis as affected by seed rate and fertilizer type.
vi Nutritive quality of Brachiaria ruziziensis as affected by manure type and tillers number per stand.
vii Influence of forage proportion and ensiling period on the nutritional qualities of Brachiaria ruziziensis and Stylosanthes hamata silage.
viii Chemical composition of Brachiaria ruziziensis as affected by sowing method and volume of liquid fertilizer.

Departmental Prize awarded to Best Project Student in the Department (PRM, FUNAAB) 2010

Registered Animal Scientist, Nigerian Institute of Animal Science (RAS/01762)
Member, Nigerian Society of Animal Production (NSAP)
Member, Animal Science Association of Nigeria (ASAN).
Member, British Society of Animal Science (BSAS).
Member, Society for Grassland Research and Development in Nigeria (SOGREDEN)

45th Conference of Nigerian Society of Animal Production (NSAP), Hosted by Abubakar Tafawa Balewa University, Bauchi and Organized under the Auspices of Nigerian Society for Animal Production. 15-19th March, 2020
Paper read by Okukenu, O. A., Dele, P. A., Akinyemi, B. T., Jolaosho, A. O., Olajide, A. A. and Oriola, R. A. Proximate composition of plant parts of Pennisetum purpureum harvested at selected locations in Southwest Nigeria.

1. Dele, P. A., Jolaosho, A. O., Arigbede, O. M., Ojo, V. O. A., Amole, T. A., Okukenu, O. A. and Akinyemi, B. T. (2013). Chemical Composition and In Vitro Gas Production of Silage from Guinea Grass, Cassava Peel and Cashew Apple Waste at Different Periods of Ensilage. Pakistan Journal of Biological Sciences. 16(23): 1801-1805, Published by Asian Network for Scientific Information. Available online at http://scialert.net/qredirect.php?doi=pjbs.2013.1801.1805&linkid=pdf.
2. Jolaosho, A. O., Dele, P. A., Olanite, J. A., Arigbede, O. M., Ojo, V. O. A., and Okukenu, O. A. (2013). Chemical Composition of Silage from Guinea Grass, Cassava Peel, and Brewery Waste as affected by Ensiling Duration. The Pacific Journal of Science and Technology 14(2): 463-467. http://www.akamaiuniversity.us/PJST14_2_463.pdf.
3. Muraina, T. O., Olanite, J. A., Ojo, V. O. A., Fasae, O. A., Ewetola, I. A., Okukenu, O. A., and Adebisi, I. A. (2015). Assessment of chemical composition of natural pasture oversown with two stylosanthes species for ruminant feeding. Tropical Animal Production investigation. 18(2): 99-107.Published by Department of Animal Science. ISSN: 1115-2540. http://animalsci.agric.ui.edu.ng/TAPI/index.php/tapijournal/index99.
4. Dele P. A., Amole T. A., Akinyemi B. T., Sangodele O.T., Okukenu O. A., Oyebanjo E. D., Adepoju R. O., Ewetola I. A., Ojo V.O.A. and Olanite J. A. (2016). Physical and chemical characteristics of Pennisetum purpureum grass silage as affected by manure type and ensiling duration. Journal of Animal Production Research 28(2):37-49. Published by National Animal Production Research Institute Ahmadu Bello University, Zaria, Nigeria. Available online at http://journals.napri.gov.ng/index.php/japr/article/view/237/189.
5. Amole T. A., Dele P. A., Ojo V. O. A., Akinyemi B. T., Akinyemi F. I. Akinade G., and Okukenu O. A. (2017). Intercropping systems’ productivity of Brachiaria decumbens with Stylosanthes hamata and Stylosanthes guianensis In different planting ratios. Journal of Animal Production Research 29(1):299-313. Published by National Animal Production Research Institute Ahmadu Bello University, Zaria, Nigeria. Available online at http://journals.napri.gov.ng/index.php/japr/article/view/309/263.
6. Dele, P. A., Akinyemi, B. T., Amole, T. A., Okukenu, O. A., Sangodele, O. T., Sowande, O. S., Olanite, J. A., Arigbede, O. M. and Jolaosho, A. O. (2017). Effect of manure type and season of harvest on the forage yield, quality and macro-elements of two Panicum maximum varieties. Nigerian Journal of Animal Science 19(1):265-282. Published by Animal Science Association of Nigeria. Available online at https://www.ajol.info/index.php/tjas/article/view/163832.
7. Ojo, V. O. A., G.A. Akinade, G. A., Adetokunbo, Lamidi, A. A., Jolaosho, A. O., Aderinboye, R. Y., Amole, T. A., Akinbode, R. M., Okukenu, O. A. and O.J. Idowu, O. J. (2017). Silage quality of Pennisetum purpureum Schumach. grass mixed with processed Enterolobium cyclocarpum (Jacq.) Griseb. seeds at varying proportions as affected by ensiling periods. Tropical Agriculture (Trinidad) 94(4):362-371. Published by Faculty of Food and Agriculture. University of the West Indices. Trinidad and Tobago. Corpus ID: 201202871.
8. Okukenu, O. A., Ogunrombi, O. A., Dele, P. A., Akinyemi, B. T., Onifade, O. S. and Jolaosho, A. O. (2018). Proximate and fibre composition of Panicum maximum and Centrosema molle silage as affected by different proportions and ensiling periods. The Pacific Journal of Science and Technology. 19(1): 264-270. http://www.akamaiuniversity.us/PJST19_1_264.pdf.
9. Dele, P. A., Akinyemi, B. T., Okukenu, O. A., Amole, T. A., Akinlolu, A., Sarumi, G., Salawu, F. E. and Anotaenwere, C. (2018). Chemical composition of Panicum maximum as influenced by poultry manure rate and age at harvest. The Pacific Journal of Science and Technology. 19(2): 319-325. http://www.akamaiuniversity.us/PJST19_2_319.pdf.
10. Oyekunle, T., Okukenu, O. A., Dele, P. A., Aderinboye, O., Olajide, A. A., Ogunrombi,O. A., Jolaosho, A. O. and Adekale, A. O. (2018). Proximate and fibre composition of Pennisetum purpureum varieties in Stylosanthes guianensis mixed sward fertilized with two manure types. The Pacific Journal of Science and Technology. 19(2): 307-313. http://www.akamaiuniversity.us/PJST19_2_307.pdf.
11. Okukenu, O. A., Dele, P. A., Akinyemi, B. T., Olajide, A. A., Oluwatoyin Ogunrombi, O. A. and Adekale, A. O. (2018). Botanical composition, dry matter yield, and soil physio-chemical properties of natural grazing areas under sedentary pastoral system at different seasons in South-West Nigeria. The Pacific Journal of Science and Technology. 19(2): 295-306. http://www.akamaiuniversity.us/PJST19_2_295.pdf.
12. Akinyemi B., Okukenu O. A,, Dele P. A., Jolaosho A. O. and Odebode T. (2019). Proximate and fiber composition of four sorghum cultivars as affected by age at harvest. The Pacific Journal of Science and Technology 20(1): 316 – 320. http://www.akamaiuniversity.us/PJST20_1_316.pdf.
13. Okukenu, O. A, P. A. Dele, B. T. Akinyemi, A. A. Olajide, O. S. Onifade, O. A. Ogunrombi, A. O. Adekale, and M. O. Kolade. (2019). “Proximate and Fiber Composition of Different Parts of Tephrosia bracteolate as Affected by Phosphorus Application Rate and Sowing Date”. The Pacific Journal of Science and Technology. 20(1):308-315. http://www.akamaiuniversity.us/PJST20_1_308.pdf.
14. Okukenu, O. A., Olajide, A. A., Dele, P. A., Wheto, M., Akinyemi, B. T., Jolaosho, A. O., Jokosenumi, B. O. and Shonde, T. J. (2020). Microsatellite markers-based characterisation of elephant grass (Pennisetum purpureum) harvested from selected locations in South-West Nigeria. Nigerian Journal of Biotechnology 37(1): 38-45. Published by Biotechnology Society of Nigeria. Available online at https://www.ajol.info/index.php/njb/article/view/199143.
15. Oyeleke, A. M., Adeyemi, O. A., Egbeyale, L.T., Obasa, O.A. and Okukenu, O. A. (2020). Growth response, organ development and blood indices of growing pullets administered aqueous extracts of Petiveria alliacea. Archivos de. Zootecnia. 69(267): 310-319.
16. Anotaenwere, C. C., Dele, P. A., Enwete, F. E., Okukenu, O. A., Akpensuen, T. T., Amole, T. A. and Jolaosho, A. O. (2020). Effect of nitrogen source and phenological stage on the in vitro digestibility of Oba Super II maize fodder. The Pacific Journal of Science and Technology 21(2): 320-326. http://www.akamaiuniversity.us/PJST21_2_320.pdf.
17. Muraina, T. O., Jimoh, S. O., Ewetola, I. A., Ojo, V. O. A., Amisu, A. A., Okukenu, O. A., Adebisi, Y. A., Muraina, H. A. and Olanite, J. A. (2020). Mineral composition of two Stylosanthes species oversown in natural pasture: effect of tillage practice and sowing method. Tropical Animal Health and Production. 52(5):2753-2759 https://doi.org/10.1007/s11250-020-02305-7.
18. Okukenu, O. A., Akinyemi, B. T., Dele, P. A., Olajide, A. A., Jolaosho, .A. O., Onifade, O. S. and Fabusoro, E. (2020). Seasonal variations in the chemical composition of grasses harvested from the natural pasture in Ogun state south-western Nigeria. Journal of Agricultural Science and Environment. 20(1&2): 65-77. Published by the Federal university of Agriculture, Abeokuta.
19. Oyeleke, A. M., Adeyemi, O. A., Egbeyale, L. T., Sobayo, R., Obasa, O. A. and Okukenu, O. A. (2021). Growth performance, blood indices and intestinal organ development of pullet chicks administered aqueous extracts of guinea hen weed (Petiveria alliacea). Slovak Journal of Animal Science, 54(1): 21–32.
20. Adeyemi, T. A., Jolaosho, A. O., Dele, P. A., Adekoya, A. T., Oloyede, F. A., Ojo, V. O. A., Okukenu, O. A., Amisu, A. A. (2021). Intraspecific pod and seed trait variation of two herbaceous legume seeds in response to competing neighbours and nutrient resource abundance. Acta Oecologica 111 (2021) 103741. Available online at https://doi. org/10.1016/j.actao.2021.103741.
21. Dele, P. A., Akinyemi, B. T., Okukenu, O. A., Anotaenwere, C. C., Enwete, F. E., Kasim, O. B., Amole, T. A., Sowande, O. S., Olainte, J. A., Arigbede, O. M. and Jolaosho, A. O. (2021). Forage elemental concentrations and ratios of two groundnut (Arachis hypogaea L) varieties: effect of fertilizer type. Nigerian Journal of Animal Science 23 (3): 140-150. Published by Animal Science Association of Nigeria.
22. Oderinwale, O. A., Oluwatosin, B. O., Ogunbayo, Z. A., Toviesi, D. P., Okukenu, O. A., Olalere, J. O., Adeyemo, A. J. and Kuye, O. M. (2021). Microbial population, identification and in vitro studies of West African Dwarf goats fed diets with or without urea treated corncob. Nigerian Journal of Animal Science 23 (3): 221-231. Published by Animal Science Association of Nigeria.
23. Okukenu, O. A., Olajide, A. A., Dele, P. A., Wheto, M., Akinyemi, B. T. and Jolaosho, A. O. 2021. Nutritional characteristics of nine Pennisetum purpureum varieties as affected by manure type in Southwest Nigeria. Agricultura Tropica et Subtropica 54(1):209–215. DOI: 10.2478/ats-2021-0022.
24. Okukenu, O. A., Jolaosho, A. O., Onifade, O. S., Amisu, A. A., Oriola, R. A., Oladele, D. J. and Haastrup, A. O. 2021. Chemical composition of leaves and stems of elephant grass (Pennisetum purpureum) harvested from selected locations in Southwest Nigeria. Journal of Animal Production Research 33(1):146-157. Published by National Animal Production Research Institute Ahmadu Bello University, Zaria.
25. Okukenu, O. A., Eesuola, A. A., Dele, P. A., Akinyemi, B. T., Amisu, A. A., Onifade, O. S., Jolaosho, A. O., Owuye, O. A. and Adegboyega, S. S. 2021. Chemical composition of Brachiaria ruziziensis and Chloris gayana as affected by age at harvest. Nigerian Journal of Animal Production 48(6):312–320. Published by Nigerian Society for Animal Production. https://doi.org/10.51791/njap.v48i6.3319.
26. Jolaosho, A. O., Akinola, J. O., Okukenu, O. A., Binuomote, R. T. and Odedire, J. A. 2021. Sowing density of herbage and seed production from two Jack bean (Canavalia ensiformis (L.) DC) cultivars. Nigerian Journal of Animal Production 48(6):304–311. Published by Nigerian Society for Animal Production. Available online at https://doi.org/10.51791/njap.v48i6.3318
27. Akinyemi, B. T., Okukenu, O. A., Dele, P. A., Kalenikanse, O. B, Wheto, M., Sanda, F. and Jolaosho, A. O. (2021). Genetic diversity of Andropogon Species with different microsatellite markers for better selection and improvement. Nigerian Journal of Biotechnology 38(2): 109-117. Published by Biotechnology Society of Nigeria. http://www.ajol.info/index.php/njb/index. DOI: https://dx.doi.org/10.4314/njb.v38i2.12.
28. Amisu, A. A., Ewetola, I. A., Okukenu, O. A., Jimoh, S. O. and Olanite, J. A. (2022). Influence of phosphorus sources and storage duration on physical characteristics and fibre fractions of Stylosanthes guianensis hay. Nigerian Journal of Animal Production 49(2):215–224. Published by Nigerian Society for Animal Production. https://doi.org/10.51791/njap.v49i2.3482
29. Akinyemi, B. T., Dele, P. A., Mozea, K. O., Okukenu, O. A., Babatunde, M. O., Jolaosho, A. O. and Arigbede, O. M. (2022). Effect of drying methods on the anti-nutritional content of selected browse plants in rain forest zone of Nigeria. Nigerian Journal of Animal Production 49(2):250–256. Published by Nigerian Society for Animal Production. https://doi.org/10.51791/njap.v49i2.3486
30. Okukenu, O. A., Adekale, A. O., Olajide, A. A., Onifade, O. S. and Alaba Olufunmilayo Jolaosho, A. O. (2022). Chemical composition of two maize varieties at different levels of green manure Application. Agricultura Tropica et Subtropica 55(1):30–39. DOI: 10.2478/ats-2022-0004
31. Okukenu, O. A., Olajide, A. A., Dele, P. A., Akinyemi, B. T., Amisu, A. A., Jolaosho, A. O., and Onifade, O. S. (2022). Influence of manure application during cultivation on in vitro gas and post incubation parameters of nine Pennisetum purpureum varieties. Nigerian Journal of Animal Science 24 (2): 212-220. Published by Animal Science Association of Nigeria.