• Nawair-ud-Deen Grammar School, Obantoko, Abeokuta (1980-1985)

• B.Agric., Federal University of Technology, Akure.                     (1985-1990)

• M.Sc., University of Ibadan, Ibadan                                      (1992-1994)

• Ph.D., Federal University of Agriculture, Abeokuta                  (1996-2005)

RESEARCH INTEREST

Monogastric Animal Nutrition

(i) Research Completed not yet Published

a. Probiotics inclusion in the diets of growing pullets and broiler birds.
b. Nutritional evaluation of Assystasia gangentica leaf meal in broiler birds.
c. Nutritional effects of Ethanol cum Lime treated Castor oil bean meal in broiler birds.

(ii) Research In Progress

a. Effects of Garcinia kola supplementation in domestic chickens.

• 1987/88 Session Federal University of Technology, Akure, Livestock Feeds Ltd. Prize

• 1988/89 Session Federal University of Technology, Akure Scholarship Award

• Egba-A.G. Leventist Scholarship Foundation Award (1998)

• Nigeria Society for Animal Production (NSAP)

• Animal Science Association of Nigeria (ASAN)

• World Poultry Science Association (WPSA) Nigeria Branch

Articles in Referred Conference Proceedings:

1. Aletor, V. A., Agbede, J.O., and Sobayo, R.A. (1998). Biochemical Aspects of Feeding Usual and Un-usual Feed Resources to the Broiler Chicken. Proceedings of 25th Anniversary of NSAP, held at Gateway Hotel, Abeokuta. Edited by O.O. Oduguwa., A.O. Fanimo., and O.A. Osinowo. Pg 157-158.

2. Okeke, E.N., Usman, J.M., Sobayo, R.A., Akinola, O.O., and Odozie, E.C. (2007). Gross margin analysis of brooding and marketing of chicks in Ibadan metropolis. Proceedings of 32nd Annual Conference of NSAP, held at Faculty of Agriculture, University of Calabar, Nigeria. Edited by E.A.Agiang, L.N.Agwunobi, O.O.Olawoyin.  Pg. 418-420.

3. Usman, J.M., Sobayo, R.A., Okeke, E.N., Olomola, A and Osikabor, B. (2007). Economic feasibility of cane rat (Thryonomys swinderianus) production in Ibadan, Nigeria. Book of abstracts of 12th Annual Conference of Animal Science Association of Nigeria (ASAN), Held at the conference centre, Obafemi Awolowo University, Ile Ife, Osun State, Sept. 10-13. Edited by S.O.Oseni, O.Makinde, A.Fatufe and O.Betiku . Pg. 104.

4. Usman, J.M., Adebisi-Adelani, O., Olomola, A., Adeoye, I.B., Akoun, J., Sobayo, R.A., Abiola, O and Adams, B.A. (2007). Marketing Analysis of Thaumatococcus danielli (Benn.) Benth in Ibadan. Book of abstracts of 25th Annual Conference & 30th Anniversary of the Horticultural Society of Nigeria (HORTSON). Held at Nigeria Institute of Horticultural Research (NIHORT), Ibadan, 4-8th November. Edited by A.O.Olufolaji and V.C.Umeh. Pg. 258-262.

5. Ekpo, E.N., Abiola, I.O., Adams, A.B., Olomola, A., Akoun, J., Usman, J. M., Sobayo, R.A and Adesanmi, A.O. (2007). Effects of organic and inorganic fertilizers on the growth and yield of sweet pepper (Capsicum annum). Book of abstracts of 25th Annual Conference & 30th Anniversary of the Horticultural Society of Nigeria (HORTSON). Held at Nigeria Institute of Horticultural Research ( NIHORT), Ibadan, 4-8th November. Edited by A.O.Olufolaji and V.C.Umeh  Pg  84-90.

6. Oso, A.O.., Bamgbose A.M.., Fafiolu A.O.., Idowu O.M.O.., Sobayo, R.A. and Dada, W.O. (2007). Response of chicks to diets containing tiger nut (Cyperus rotundus, Linn.) meal. British Poultry Abstracts Vol. 3, (1):  pp.43-44.

7. Fafiolu, A.O.., Jegede A.V.., Oso, O.A.., Idowu, O.M.O.., Sobayo, R.A. and Ogunbowale, T.. (2008). Utilization of by-products of palm kernel extraction in broiler chicken’s diets. Proceeedings of 13th Annual Conference of Animal Science Asssociation of Nigeria (ASAN). Held at Ahmadu Bello University, Zaria, 15th-19th September. Edited by Bawa, G.S, Akpa, G.N, Jokthan, G.E, Kabir, M and Abdul, S.B. Pg 333-336.

8. Fafiolu, A.O. Jegede, A.V. Oso, A.O. Idowu, O..M.O. and R. A. Sobayo. (2009). Effect of Dietary L- Carnitine Supplementation of Diets Containing Cashew Nut Reject Meal by Broiler Chickens. Proceedings of 14th Annual Conference of Animal Science Association of Nigeria (ASAN). Held at Ladoke Akintola University of Technology, Ogbomoso, Oyo State, Nigeria. 14th-17th September. Edited by J.A Akinlade, T.B. Olayemi, T.A. Rafiu, A.O. Akinwunmi, O.A. Aderinola, O.O. Ojebiyi and A.A. Odunsi. pg 499-501.

9. Jegede, A.V., Fafiolu, A.O., Oso, A.O and Sobayo, R.A. (2009). Growth performance, blood characteristics and cholesterol status of growing pullets fed copper salt. Proceedings of 14th Annual Conference of Animal Science Association of Nigeria (ASAN). Held at Ladoke Akintola University of Technology, Ogbomoso, Oyo State, Nigeria. 14th-17th September. Edited by J.A Akinlade, T.B. Olayemi, T.A. Rafiu, A.O. Akinwunmi, O.A. Aderinola, O.O. Ojebiyi and A.A. Odunsi. Pg 422-424.

10. Fafiolu, A.O., Oduguwa, O.O., Jegede, A.V., Idowu, O.M.O., Oso, A.O., Sobayo, R.A. (2010). Improvement in the use of undecorticated sunflower seed meal diets with multi-enzyme mixture by growing pullets. World’s Poultry Science Association (UK Branch) Annual Meeting. Held at the Canada Room Queen’ University, Belfast, UK.13-14 April.

11. Jegede, A.V, Oso, A.O, Fafiolu,A.O, Sobayo, R.A and Oduguwa,O.O. (2010). Comparative effect of dietary organic and inorganic copper salts on blood and yolk cholesterol and copper residue in yolk of laying chicken.  Proceedings of the 44th Annual Conference of Agricultural Society of Nigeria.  Oct. 18th-22nd.  Ladoke Akintola University of Technology, Ogbomoso, Oyo State. Edited by Akinlade, J.A, Ogunwale, A.B, Asaolu, V.O, Aderinola, O.A, Ojebiyi, O.O, Rafiu, T.A, Olayemi, T.B and Yekini, O.T.  Pg 761-763.

12. Bamgbose, A.M., Oso, A.O., Olayemi W.A., Ojo, Y., Jegede, A.V.., Fafiolu, A.O.., Sobayo, R.A.., Yusuff, K and  Osundare, T. (2010). Carcass and sensory evaluation of indigenous Turkey fed Indomie Nooodles Waste based diets with ,or without enzyme supplementation. Proceeding of   the 35th Annual Conference of the Nigerian Society For Animal Production   (NSAP). Held at University of Ibadan, Ibadan, Nigeria. 14-17th March. Edited by O.J. Babayemi, O.A Abu and E.O. Ewuola. Pg 840-842.

13. Sobayo, R.A., Oso, A.O., Fafiolu, A.O., Aderinboye, R.Y., Jegede, A.V., Dairo, O.U and Iyerima, R.B. (2011). Growth response and apparent nutrient digestibility of broiler chickens fed diets containing ethanol cum lime treated castor oil seed (Ricinus communis, L) meal. Proceedings of 36th Annual Conference of Nigeria Society of Animal Production. (NSAP). Held at University of Abuja. 13-16th March. Edited by A.A. Adeniji, E.A. Olatunji, O.A. Olafadehan and E.S. Gana. Pg 466-468.

14. Bamgbose, A.M., Isah, O.A., Sobayo, R.A., Oso, A.O., Okeke, E.N and Alonge, A.S. (2011). Utilization of bovine blood rumen digesta mixture-based diets by cockerel chicks. Proceedings of 36th Annual Conference  of Nigeria Society of Animal Production (NSAP). Held at  University of Abuja. 13-16th March. Edited by A.A. Adeniji, E.A.Olatunji, O.A. Olafadehan and .S Gana. Pg 391-395.

Articles published since appointment

MAJOR CONFERENCES ATTENDED WITH DATES

1.  35th Annual Conference of Nigeria Society For Animal Production (NSAP). Held at University of Ibadan, Ibadan. 14th-17th March, 2010.

2.  33rd Annual Conference of the Nigerian Society For Animal Production (NSAP). Held at College of Agricultural Sciences, Olabisi Onabanjo.
University, Yewa Campus, Ayetoro, Ogun State. 16-20 March, 2008.

Paper Read: R.A.Sobayo., E.B. Oguntona., O.A Osinowo., D. Eruvbetine., A.M. Bamgbose., O.A.Adeyemi., A. Olomola., E.N. Okeke and J.M.Usman. (2008). Effects of ascorbic acid supplementation on the performance indices of starter pullets in a humid environment.

3.   13th Annual Conference of Animal Science Association of Nigeria (ASAN). Held at Ahmadu Bello University, Zaria. September, 2008.

Paper Read: R.A.Sobayo., E.B.Oguntona., O.A.Osinowo., D. Eruvbetine., A.M. Bamgbose., O.A.Oso., A.O.Fafiolu.,T.O.Bawala and O.A.Adeyemi.(2008). Effects of ascorbic acid supplementation on the performance and egg quality of laying birds in a humid environment.

4.   2nd Nigeria International Poultry Summit (NIPS) of the World PoultryScience Association Nigeria Branch, Held at Gateway Hotel
Abeokuta, 19-22 February, 2007.

5.   32nd Annual Conference of Nigeria Society for Animal Production (NSAP). Held at  University of Calabar, Calabar, Nigeria.18th-22nd March,
2007.

Paper Read: Sobayo, R. A., Okubanjo, O.A., Adeyemi, O.A and Usman,J..M. (2007). Nutritional Evaluation of graded levels of Corn Gluten in rabbit diet.

6.  12th Annual Conference of Animal Science Association of Nigeria (ASAN), Obafemi Awolowo University, Ile- Ife, Osun State. 10-13
September,   2007.

7.   25th Annual Conference & 30th Anniversary of the Horticultural Society of Nigeria (HORTSON). Held at Nigeria Institute of Horticultural Research
(NIHORT), Ibadan, 4-8th November, 2007.

8.   11th Annual Conference of Animal Science Association of Nigeria (ASAN). Held at I.A.R&T, Ibadan, September, 2006

9.   28th Annual Conference of Nigeria Society for Animal Production (NSAP),   Held at I.A.R & T, Ibadan, 16th-20th March 2003.

10.   27th Annual Conference of Nigeria Society for Animal Production (NSAP) F.U.T Akure, 17th-21st March 2002.

11.   7th Annual Conference of Animal Science Association of Nigeria (ASAN), Held at FUNAAB, 16th-19th September 2002.

12.   Silver Anniversary Conference of the Nigeria Society for Animal Production (NSAP) and the Inaugural Conference of the West
African Society for Animal Production (WASAP). Held at Gateway Hotel, Abeokuta, Nigeria 21-26 March 1998.

13.    3rd Annual Conference of Animal Science Association of Nigeria (ASAN), Held at Airport Hotel, Ikeja, Lagos. 1998.

1. Adeyemi, O. A., Sobayo, R. A., Oke, D. B and Adebajo, M. O. (2006). Response of finishing broiler to graded levels of boiled-fermented Jatropha curcas seed. Nigeria Poultry Science Journal.4:16-20. Published by World Poultry Science Association- Nigerian Branch (WPSA-NB).

2. Sobayo, R. A., Oguntona, E. B., Osinowo, O. A., Eruvbetine, D., Bamgbose, A. M., Adeyemi, O. A., Olomola., A., Oso, A. O and Usman, J. M. (2008). Effects of ascorbic acid supplementation on the performance of growing pullets. Nigerian Journal of Animal Production. 35(2): 186-194. Published by Nigerian Society of Animal Production. http://www.ajol.info/index.php/njap.

3. Adeyemi, O. A., Sobayo, R. A., Aluko, F. A and Oke, D. B. (2008). Utilization of rumen filtrate fermented corn- cobs by weaned rabbits. Nigerian Journal of Animal Production. 35(1): 69-75. Published by Nigerian Society of Animal Production. http://www.ajol.info/index.php/njap.

4. Sobayo, R. A., Okubanjo, O. A., Adeyemi, O. A and Usman, J. M. (2008). Nutritional evaluation of graded levels of fermented maize milling waste (maize gluten) in rabbit diet. Nigerian Journal of Animal Production. 35(1): 76-81. Published by Nigerian Society of Animal Production. http://www.ajol.info/index.php/njap.

5. Sobayo, R. A., Oguntona, E. B., Adeyemi, O. A., Fafiolu, A. O., Oso, A. O., Osinowo, O. A., Eruvbetine, D. and Bamgbose, A. M. (2008). Effects of ascorbic acid supplementation on the performance, cost benefit, egg quality and haematological profile of laying birds in a humid environment. Nigeria Poultry Science Journal 5 (2): 53-60. Published by World Poultry Science Association- Nigerian Branch (WPSA-NB).

6. Adeyemi, O. A., Sobayo., R. A and Aluko., F. A. (2008). A Survey of duck farming activities in Abeokuta metropolis of Ogun State, Nigeria. Nigeria Poultry Science Journal 5 (1): 23-29. Published by World Poultry Science Association- Nigerian Branch (WPSA-NB).

7. Sobayo, R. A., Adeyemi, O. A., Oso. A. O., Iyasere, O. S., Oguntona, E. B., Eruvbetine, D., Osinowo, O. A., and Bamgbose, A. M. (2009). Efeects of ascorbic acid supplementation on the performance indices of starter pullets in hot- humid environmental. Journal of Agricultural Science and Environment. 9 (1): 11-19. The official Journal Publication of the Federal University of Agriculture, Abeokuta, Nigeria.

8. Fafiolu, A. O., Jegede, A. V., Oso., A. O., Sobayo, R. A. and Idowu, O. M. O. (2010). Utilization of enzyme supplemented wheat offal-rice bran diets on performance characteristics and serum biochemistry by meat-type chicken. Nigerian Journal of Animal Production. 37 (2): 199-206. Published by Nigerian Society of Animal Production. http://www.ajol.info/index.php/njap.

9. FOso, A. O., Sobayo, R. A., Jegede, A. V., Fafiolu, A. O., Iyasere, O. S., Dele, P., Bamgbose, A. M. and Cecilia, A. (2011). Effect of dietary inclusion of sorghum milling waste on growth response, nutrient utilisation, gut characteristics and cecal microflora of weaner rabbits. Animal Science Journal (JAPAN). 82: 468- 474. Official Publication of Japanese Society of Animal Science. Available online at http://www.wiley.com/whalecom0doi/10.1111/j.1740-9.2010.00848.x/pdf.

10. FOso, A. O., Fafiolu, A. O., Sobayo, R. A. and Hameed, Z. (2011). Growth response, carcass yield and serum biochemistry of broiler chickens fed with supplemental L-carnitine in feed or drinking water. Journal of Poultry Science (JAPAN) 48:223-228. http://www.jstage.jst.go.jp/browse/jpsa/48/4/_contents/-char/ja/

11. Oso, A.O., Sobayo, R. A., Fafiolu, A. O. Fafiolu., Jegede, A. V., Idowu, O. M. O., Lala, O. A., Olayemi, W. A., Osho, S. O. Osho and Bamgbose, A. M. (2011). Growth, apparent nutrient digestibility and blood parameters of turkeys fed diets containing wheat or sorghum as sole cereal source. Nigerian Poultry Science Journal 8:43-50. Publication of the World Poultry Science Association- (WPSA), Nigerian Branch. Available online at http://www.ajol.info/index.php/njap.

12. FOlajide Ayorinde ADEYEMI., Jamiu Adeyinka ADEKOYA and Richard Abayomi SOBAYO. (2012). Performance of broiler chickens fed diets containing cassava leaf: blood meal mix as replacement for soyabean meal. Revista Cientifica UDO Agricola 12(1):212-219. Official Publication of Escuela de Ingeniería Agronómica of Universidad de Oriente, VENEZUELA. Available on line at http://udoagricola.udo.edu.ve/V12N1UDOAg/V12N1:212.pdf‎

13. Adeyemi, O. A., Sobayo, R. A and Fadimu, T. (2012). Survey of rural chicken production practices in Ogun State, Nigeria. Journal of Applied Agricultural Research 4 (1):3-15. ISSN 2006-750X. Official Publication of Agricultural Research Council of Nigeria.

14. Ogunade, I. M., Eruvbetine, D., Oyekunle, A. O., Fafiolu, A. O., Olorunsola, A. R., Oso, A.O., Sobayo, R. A., Falola, A. C., Osho, S.O., Omoniyi, L. A., Osofowora, A. O and Sogunle, O. M. (2012). Control of salmonella organisms in laying hens through the use of feed additives. Nigerian Poultry Science Journal 9:166-171. Published by World Poultry Science Association- Nigerian Branch (WPSA-NB).

15. FSobayo, R. A., Oso, A.O., Adeyemi, O. A., Fafiolu, A. O., Jegede, A. V., Idowu, O. M. O., Dairo, O. U., Iyerima, R. B., Ayoola, O. A. and Awosanya, R. A. (2012). Changes in growth, digestibility and gut anatomy by broilers fed diets containing ethanol-treated castor oil seed (Ricinus communis, L.) meal. Revista Científica UDO Agrícola 12 (3):660- 667. Official Publication of Escuela de Ingeniería Agronómica of Universidad de Oriente, VENEZUELA. Available on line at http://udoagricola.udo.edu.ve/V12N3UDOAg/V12N3Sobayo660.pdf‎

16. Sobayo, R. A., Adeyemi, O. A., Sodipe, O. G., Oso, A. O., Fafiolu, A. O., Ogunade, I. M., Iyasere, O. S. and Omoniyi, L. A. (2012). Growth response of broiler birds fed Asystasia gangetica leaf meal in hot humid environment. Journal of Agricultural Sciences and Environment. 12(1):53-59. The official Journal Publication of the Federal University of Agriculture, Abeokuta, Nigeria.

17. Fafiolu, A. O., Oso, A., Idowu, O. M. O., Jegede, A. V., Sobayo, R. A and Oduguwa, O. O. (2013). Effect of dietary L-carnitine supplementation of diets containing cashew nut reject meal by broiler chickens. Nigerian Journal of Animal Production 40(1): 67-72. Publication of the Nigerian Society for Animal Production. Available online at http://www.ajol.info/index.php/njap.

18. Sobayo, R. A., Adeyemi, O. A., Oso, A. O., Fafiolu, A. O., Daramola, J. O., Sodipe, O. G. Sodipe., Ogunade, I. M and Odetola, O. M. (2013). Haematological, serum and carcass characteristics of broilers fed graded levels of Garcinia kola (bitter kola) used as phytobiotics. Nigerian Journal of Animal Production 40(1): 48-56. Publication of the Nigerian Society for Animal Production. Available online at http://www.ajol.info/index.php/njap.

19. Sobayo, R. A., Oso, A. O., Adeyemi, O. A., Sodipe, O.G., Fafiolu, A. O., Odetola, O. M and Ogunade, I. M. (2013). Growth response and nutrient digestibility of broiler chicken fed graded levels of a phytobiotics Garcinia kola (Bitter kola). Journal of Applied Agricultural Research 5(1), 91-99. Official Publication of Agricultural Research Council of Nigeria.

20. FOso, A. O., Fafiolu, A. O., Adeleke, M. A., Ladokun, O. A., Sobayo, R. A., Jegede, A. V., Peters, S. O., Oyebamiji, O. A and Akinsola, J. (2013). Effect of dosage and application mode of L- carnitine on plasma lipid and egg-yolk cholesterol of turkeys, hatchability of eggs and post-hatch growth of their offsprings. Journal of Animal Physiology and Animal Nutrition. DOI: 10.1111/jpn.12134 GERMANY. Published by Blackwell Publishing Company, Available on line at http://onlinelibrary.wiley.com/doi/10.1111/jpn.12134/abstract.

21. Oso, A. O., Sobayo, R. A., Sanwo, K. A., Lala, O. A., Olayemi, W. A., Peter, O. O and Bamgbose, A. M. (2013). Breast meat yield, muscle linear measurements and meat composition of turkeys fed diet containing wheat or sorghum as sole cereal source. Nigerian Journal of Animal Production 40(2), 30-38. Publication of the Nigerian Society for Animal Production. Available online at http://www.ajol.info/index.php/njap

22. FOlajide Mark Sogunle., Olagoke Ayobami Olaniyi., Lawrence Tokunbo Egbeyale., Olufemi Sunday Akinola., Taofeek. A.Shittu., Samuel Soladoye Abiola., Abimbola. O. Ladokun and Richard Abayomi Sobayo. (2013). Free range and deep litter poultry production systems; effect on performance, carcass yield and meat composition of cockerel chickens. Tropical Animal Health and Production. 45: 281-288. D01 10.1007/S 1125-012-0213-2. UK.

23. Osho, S. O., Oso, A. O., Akpan, I. E., Ayanniyi, T. A., Ogunade, I. M., Jegede, A. V., Sobato, R. A., Adegbenjo, A. A and Durosaro, S. O. (2013). Effect of fibre and digestible energy levels on growth performance, apparent nutrient digestibility and caecal fermentation of growing rabbits. Nigerian Journal of Animal Production 40 (1), 83-95. Publication of the Nigerian Society for Animal Production. Available online at http://www.ajol.info/index.php/njap.

24. FSogunle, O.M., Akinosi, O.K., Adeyemi, O.A., Sobayo, R.A., Bello, K.A., Ekunseitan, D.A and Olaniyi, O.A. (2013). Performance and carcass yield of sexed broiler chickens reared on two housing types. Bulletin of Animal Health and Prodroduction in Africa. 61:435-444. A publication of African Union Inter-African Bureau for Animal Resources, Nairobi, KENYA.

25. FOso, A. O., Williams, G. A., Jegede, A. V., Sobayo, R. A., Idowu, O. M .O., Fafiolu, A.O., Sogunle, M. O., Akinola, O. S., Adeleye, O. O., Olorunsola, I. A .R., Ogunade, sI.M., Osho, S. O., Obadire, F. O and Bamgbose, A. M. (2014).Effect of combination whole millet feeding and mannan oligosaccharides supplementation on growth performance, serum biochemistry and relative organ weights of growing guinea fowl (Numidia meleagris). Livestock Science 159, 46-52. Published by Elsevier Ltd, Oxford, U. K. Available on line at http://dx.doi.org/10.1016/j.livsci.2013.10.020.

26. FAkapo, O. A., Oso, A. O., Bamgbose, A. M., Sanwo, K. A., Jegede, A. V., Sobayo, R. A.,, Idowu, O. M. O., Lili Li, J. F and Olorunsola, R. A. (2014). Effect of cassava Manihot esculenta Crantz) root meal on growth performance, hydrocyanide intake and haematological indices and serum thiocyanate concentration of broiler chicks. Tropical Animal Health and Production 46: 1167-1172. http://DOI 10.1007/s 11250-014-0622-5. Springer, UK.

27. Sobayo, R. A., Oso, A. O., Adeyemi, O. A., Jegede, A. V., Fafiolu, A. O., Sogunle, O. M and Dairo, O. U. (2014). Carcass yield and blood parameters of broiler chickens fed diets containing ethanol-treated castor oil seed (Ricinus communis, L) meal. Nigeria Poultry Science Journal. 11: 123-128. Published by World Poultry Science Association- Nigerian Branch (WPSA-NB).

28. Oso, A. O., Fafiolu, A. O., Sobayo, R. A., Jegede, A. V and Idowu, O. M. O. (2014).Effect of L-Carnitine inclusion and mode of application on organ and tissue lipoproteins of broiler chickens fed high energy diets under tropical condition. Nigeria Poultry Science Journal. 11: 46-53. Published by World Poultry Science Association- Nigerian Branch (WPSA-NB).

29. FAdegbenjo, A. A., Idowu, O. M. O., Oso, A. O., Adeyemi, O. A., Sobayo, R. A., Akinloye, O. A., Jegede, A. V., Osho, S. O and Williams, G. A. (2014). Effects of dietary supplementation with copper sulphate and copper protinate on plasma trace minerals, copper residues in meat tissues, organs, excreta and tibia bone of cockerels.. Slovak Journal of Animal Science. 47(3): 164–171. A publication of National Agricultural and Food Centre Research Institute for Animal Production, NITRA. SLOVAK REPUBLIC.

30. FSobayo, R. A., Muhammad, S. B., Sogunle, O. M., Adegbenjo, A. A., Adejola, A. Y., Oso, A. O and Adeyemi, O. A. (2015). Response of finishing broiler chickens to supplemental neem (Azadirachta indica) and garlic (Allium sativum) on oocyst count, bacteria count and gut morphology. Bulletin of Animal Health and Production in Africa. 63(4):61-71. A publication of African Union Inter-African Bureau for Animal Resources, Nairobi, KENYA.

31. FIdowu, O. M. O., Adedotun, A., Oso, A. O., Adeyemi, O. A., Sobayo, R. A and Hongnan Liu (2015). Effect of dietary organic and inorganic copper supplement on apparent nutrient digestibility, trace mineral retention, ileal morphology and blood parameters of cockerels. Bulletin of Animal Health and Production in Africa. 63(1): 7-18. A publication of African Union Inter-African Bureau for Animal Resources, Nairobi, KENYA.

32. FLala, A. O., Okwelum, N., Oso, O. A., Sobayo, R. A., Segilola, O. A and Dairo, B. S. (2015). Response of broiler chickens to feed supplemented with clay-based nano growth promoter. Bulletin of Animal Health and Production in Africa. 63(1): 61 -68. A publication of African Union Inter-African Bureau for Animal Resources,Nairobi, KENYA.

33. Muhammad, S. B., Sobayo, R. A., Sogunle, O. M., Oso, A. O and Adeyemi, O. A. (2015). Variations in haematological and Serum indices of finishing broiler birds fed Neem (Azadirachta indica) and Garlic (Allium sativum) as phytobiotics. Nigerian Journal of Animal Production. 42(2):129-140. Publication of the Nigerian Society for Animal Production. Available online at http://www.ajol.info/index.php/njap

34. Lawal, O. E., Eruvbetine, D., Sobayo, R. A and Olowofeso, O. O. (2015). Effect of phytobiotics inclusion on haematological and serum indices .of broiler chickens. Nigerian Journal of Animal Production. 42(2):168-173. NIGERIA. Publication of the Nigerian Society for Animal Production. Available online at http://www.ajol.info/index.php/njap

35. FRonke Yemisi Aderinboye., Olayinka Timothy Oladeji., Michael Adebayo Abaire., Richard Abayomi Sobayo and Abimbola Oladele Oso. (2015) Performance of weaner rabbits fed a concentrate diet supplemented with pawpaw leaves. Tropical Animal Health Production. 47(2): 323-329. Springer, UK.

36. FJegede, A. V., Oso, A. O., Fafiolu, A. O., Sobayo, R. A., Idowu, O. M. O and Oduguwa, O. O. (2015). Effect of Dietary Copper on Performance, Serum and Egg yolk cholesterol and Copper residues in yolk of laying chickens. Slovak Journal of Animal Science. 48(1): 29–36. A publication of National Agricultural and Food Centre Research Institute for Animal Production, NITRA. SLOVAK REPUBLIC.

37. Sobayo, R. A., Muhammad, S. B., Oso, A. O., Sogunle, O. M., Adejola, Y. A. and Adegbenjo, A. A. (2016). Effects of supplemental neem (Azadirachta indica) and garlic (Allium sativum) on growth and carcass yield of finishing broiler. Journal of Agricultural Science and Environment. 16(2): 29 – 42.The official Journal Publication of the Federal University of Agriculture, Abeokuta, Nigeria.

38. Sogunle, O. M., Akinosi, O. K., Adeyemi, O. A., Olaniyi, O. A and Sobayo, R. A. (2016). Meat quality characteristics of sexed broiler chickens reared on deep litter and deep litter with a run housing types. Nigerian Journal of Animal Science. 18(2):560-571. A publication of Animal Science Association of Nigeria (ASAN).

39. FMuhammad S. B., Sobayo, R. A., Adegbenjo, A. A., Sogunle, O. M., Oso, O. M and Adeyemi, O. A. (2016). Growth performance and immunity status of starter broiler birds supplemented with neem (Azadirachta indica) and garlic (Allium sativum). (2016). Bulletin of Animal Health and Production in Africa.64:33-44. A publication of African Union Inter-African Bureau for Animal Resources, Nairobi, KENYA.

40. FObasa, O. A., Adeyemi, O. A., Akinola, O. S., Sobayo, R. A., Njoku, C. P and Olaifa, R. O. (2016). Growth performance, haematology and cost benefit of growing rabbits reared on different feed access times and restriction durations. Mal. J. Anim. Sci. 19(1):43-56. A publication of Malaysian Society of Animal Production. MALAYSIA.

41. Odetola, O. M., Eruvbetine, D., Onagbesan, O. M., Oduguwa, O. O., Owosibo, A. O.,
Ijadunola, T. I., Adetola, O. O., Sobayo, R. A. and Adeyemi, O. A. (2017). Performance and carcass characteristics of broiler fed raw and processed kenaf seed meal. Nigerian Journal of Animal Production. 44 (1):175-184. Publication of the Nigerian Society for Animal Production. Available online at http://www.ajol.info/index.php/njap.

42. Williams, G. A., Oso, A. O., Sanwo, K. A., Sobayo, R. A. and Adegbenjo, A. A. (2017). Influence of supplemental L-arginine on physico-chemical and sensory properties of breast meat from turkeys. Nigerian Journal of Animal Production. 44(2):59-67. Publication of the Nigerian Society for Animal Production. Available online at http://www.ajol.info/index.php/njap.

43. Sobayo, R. A., Sanwo, K. A., Muhammad, S. B., Adegbenjo, A. A., Oso, A. O., Sogunle, O. M., Fafiolu, A. O and Adeyemi, O. A. (2017). Effect of dietary Abelmoschus esculentus leaf meal on performance and egg quality indices of laying hens. Nigerian Journal of Animal Production. 44 (2):290-298. Publication of the Nigerian Society for Animal Production. Available online at http://www.ajol.info/index.php/njap.

44. *Sobayo, R. A., Okonkwo, I. J., Sanwo, K. A., Oso, O. A., Eruvbetine, D., Oguntona, E. B and Muhammed, S. B. (2017). Effect of dietary supplementation of guinea hen weed (Petiveria alliacea) leaf and root meals on nutrient utilization and intestinal morphology of finishing broiler chicken. Nigerian Journal of Animal Science. 19 (1): 144-156. A publication of Animal Science Association of Nigeria (ASAN). www.animalscienceassociation.org.ng.

45. F*Ayoola, A. A., Adeyemi, A. O., Egbeyale, L. T., Sobayo, R. A and Yusuf, A. O. (2017). Effect of mating ratio on the laying performance, hatching characteristics, feeding and housing cost of Japenese quails. Mal. J. Anim. Sci. 20(2): 25-37. A Publication of Malaysian Society of Animal Production. MALAYSIA.

46. F*Ayoola, A. A., Adeyemi, A. O., Eruvbetine, D., Egbeyale, L. T., Sobayo, R. A and Sogunle. O. M. (2018). Effect of egg storage methods and storage periods on hatchability and post hatching performance of Japanese quails. Arch. Zootec. 67 (260):560-568. https://www.uco.es/ucopress/az/index.php/az/. SPAIN.

47. F*Sobayo, R. A., Muhammad, S. B., Oso, A. O., Sogunle, O. M., Ayoola, A. A., Oke, O.E and Abotinde, R. O. (2018). Influence of guinea hen weed (Petiveria alliacea) on growth performance, nutrient digestibility and blood indices of growing pullets. Mal. J. Anim. Sci. 21 (1) 53-71. A Publication of Malaysian Society of Animal Production. MALAYSIA.

48. F*Sobayo, R. A., Okonkwo, I. J., Muhammad, S. B, Sanwo, K. A, Oso, O. A and Sogunle. O. M. (2018). Haematological and Serum indices of finishing broiler chickens fed graded levels of guinea hen weed (Petiveria alliacea) parts. Bulletin of Animal Health and Production in Africa.66 (2): 309-321. A publication of African Union Inter-African Bureau for Animal Resources, Nairobi, KENYA.

49. F*Sobayo, R. A., Basiru, Y. T., Muhammad, S. B., Sanwo, K. A., Adetola, O. A., Fariyibi, O. E and Olowonefa, K. J. (2018). Effects of wonderful kola (Buchholzia coriacea) seed meal on Nutrient digestibility and Carcass yield of grower rabbits. Bulletin of Animal Health and Production in Africa. 66 (2): 323-330. A publication of African Union Inter-African Bureau for Animal Resources, Nairobi, KENYA.

50. *Sobayo, R. A., Okonkwo, I. J., Sanwo, K. A., Muhammad, S. B., Oso, O. A., Eruvbetine, D and Oguntona, E. B. (2018). Effect of natural plant; guinea hen weed (Petiveria alliacea) parts on growth and carcass indices of finishing broiler chickens. Nigerian Agricultural Journal 49 (2): 152-160. Available online at http://www.ajol.info/index.php/naj. A publication of Agricultural Society of Nigeria (ASN).

51. F*Igbokwe, A. A., Iyasere, O. S., Sobayo, R. A., Animashaun, R. I., Balogun, F.A., Aganran, Z. O., Fasola, M. O., Lasisi, S. O., Suleiman, M. R., Iyiola, J. D and Daramola, J. O. (2018). Comparative effect of slow and rapid freezing on sperm functional attributes and oxidative stress parameters of goat spermatozoa cryopreserved with tiger nut milk extender. Reproduction in Domestic Animals, 54 (3):551-559. Published by Wiley Online Library. Available online at https://onlinelibrary.wiley.com/doi/abs/10.1111/rda.13393. GERMANY.

52. F*Deji Abiodun Ekunseitan., Folahan Jeremiah Osuntola., Ayodeji Isaac Odukoya., Richard Abayomi Sobayo and Chiemeka Promise Njoku. (2019). Response of two strains of broiler chickens to oyster mushroom (Pleurotus ostreatus) extract in the tropics. Pol. J. Nutr. Sc. 34 (1): 33-47, Y. 2019. POLAND.

53. F*Muhammad, S. B., Sobayo, R. A., Oso, A. O., Sogunle, O. M., Ayoola, A. A., Adeyemo, Y. O and Basiru, Y. T. (2019). Effects of dosage and plant parts of Petiveria alliacea used as phytobiotics on growth, nutrient digestibility and blood profile of pullet chicks. Arch. Zootec. 68 (264):524-533. https://www.uco.es/ucopress/az/index.php/az/. SPAIN

54. *Sanwo, K. A., Adegoke, A. V., Sobayo, R. A., Anifowose, S. O., and Sotomiwa, A. O. (2019). Meat Quality and Microbial Studies of Broiler Chicken Fed Diets Supplemented with Vitamin E and Soya Bean Oil. Nigerian Agricultural Science Journal. 50(2): Pp.56-64. Available online at: http://www.ajol.info/index.php/naj. A publication of Agricultural Society of Nigeria (ASN).

F = Article in Foreign Papers
* =Articles added since last promotion

(d). Articles in Refereed Conference Proceedings:

55. Aletor, V. A., Agbede, J. O., and Sobayo, R. A. (1998). Haematological and Biochemical Aspects of feeding broiler chickens conventional or under-utilized protein resources Proceedings of 25th Anniversary of NSAP, held at Gateway Hotel, Abeokuta, March 21-26. Edited by O.O. Oduguwa., A.O. Fanimo., and O.A. Osinowo. Pg 157-158.
56. Okeke, E. N., Usman, J. M., Sobayo, R. A., Akinola, O. O., and Odozie, E.C. (2007). Gross margin analysis of brooding and marketing of chicks in Ibadan metropolis. Proceedings of 32nd Annual Conference of NSAP, held at Faculty of Agriculture, University of Calabar, Nigeria. Edited by E.A.Agiang, L.N.Agwunobi, O.O.Olawoyin. Pg. 418-420.

57. Usman, J. M., Sobayo, R. A., Okeke, E. N., Olomola, A and Osikabor, B. (2007). Economic feasibility of cane rat (Thryonomys swinderianus) production in Ibadan, Nigeria. Book of abstracts of 12th Annual Conference of Animal Science Association of Nigeria (ASAN), Held at the conference centre, Obafemi Awolowo University, Ile Ife, Osun State, Sept. 10-13. Edited by S.O.Oseni, O.Makinde, A.Fatufe and O.Betiku . Pg. 104.

58. Usman, J. M., Adebisi-Adelani, O., Olomola, A., Adeoye, I. B., Akoun, J., Sobayo, R. A., Abiola, O and Adams, B. A. (2007). Marketing Analysis of Miraculour berry (Thaumatococcus danielli Benn.) in Ibadan. Book of abstracts of 25th Annual Conference & 30th Anniversary of the Horticultural Society of Nigeria (HORTSON). Held at Nigeria Institute of Horticultural Research (NIHORT), Ibadan, 4-8th November. Edited by A. O. Olufolaji and V.C. Umeh. Pg. 258-262.

59. Ekpo, E. N., Abiola, I. O., Adams, A. B., Olomola, A., Akoun, J., Usman, J. M., Sobayo, R. A and Adeosun, A. O. (2007).Growth and yield response of sweet pepper (Capsicum annum L) to organic and inorganic fertilizer. Book of abstracts of 25th Annual Conference & 30th Anniversary of the Horticultural Society of Nigeria (HORTSON). Held at Nigeria Institute of Horticultural Research (NIHORT), Ibadan, 4-8th November. Edited by A.O. Olufolaji and V.C. Umeh Pg 84-90.

60. Oso, A. O., Bamgbose, A. M., Fafiolu A. O., Idowu, O. M. O., Sobayo, R. A and Dada, W. O. (2007). Response of chicks to diets containing tiger nut (Cyperus rotundus, Linn.) meal. British Poultry Abstracts Vol. 3, (1): pp.43-44.

61. Fafiolu, A. O., Jegede, A. V., Oso, O. A., Idowu, O. M. O., Sobayo, R. A. and Ogunbowale, T. (2008). Utilization of by-products of palm kernel extraction in broiler chicken’s diets. Proceeedings of 13th Annual Conference of Animal Science Asssociation of Nigeria (ASAN). Held at Ahmadu Bello University, Zaria, 15th-19th September. Edited by Bawa, G.S, Akpa, G.N, Jokthan, G.E, Kabir, M and Abdul, S.B. Pg 333-336.

62. Jegede, A. V., Fafiolu, A. O., Oso, A. O and Sobayo, R. A. (2009). Growth performance, blood characteristics and cholesterol status of growing pullets fed copper salt. Proceedings of 14th Annual Conference of Animal Science Association of Nigeria (ASAN). Held at Ladoke Akintola University of Technology, Ogbomoso, Oyo State, Nigeria. 14th-17th September. Edited by J.A Akinlade, T.B. Olayemi, T.A. Rafiu, A.O. Akinwunmi, O.A. Aderinola, O.O. Ojebiyi and A.A. Odunsi. Pg 422-424.

63. Fafiolu, A. O., Oduguwa, O. O., Jegede, A. V., Idowu, O. M. O., Oso, A. O., Sobayo, R. A. (2010). Improvement in the use of undecorticated sunflower seed meal diets with multi-enzyme mixture by growing pullets. World’s Poultry Science Association (UK Branch) Annual Meeting. Held at the Canada Room QueenUniversity, Belfast, UK.13-14 April.

64. Jegede, A. V., Oso, A. O., Fafiolu, A. O., Sobayo, R. A and Oduguwa, O. O. (2010). Comparative effect of dietary organic and inorganic copper salts on blood and yolk cholesterol and copper residue in yolk of laying chicken. Proceedings of the 44thAnnual Conference of Agricultural Society of Nigeria. Oct. 18th-22nd. Ladoke Akintola University of Technology, Ogbomoso, Oyo State. Edited by Akinlade, J.A. Ogunwale, A.B, Asaolu, V.O, Aderinola, O.A, Ojebiyi, O.O, Rafiu, T.A, Olayemi, T.B and Yekini, O.T. Pg 761-763.

65. Bamgbose, A. M., Oso, A. O., Olayemi, W. A., Ojo, Y., Jegede, A. V., Fafiolu, A. O., Sobayo, R. A., Yusuff, K and Osundare, T. (2010). Carcass and sensory evaluation of indigenous turkey fed indomie nooodles waste based diets with, or without enzyme supplementation. Proceeding of the 35th Annual Conference of the Nigerian Society For Animal Production (NSAP). Held at University of Ibadan, Ibadan, Nigeria. 14-17th March. Edited by O.J. Babayemi, O.A. Abu and E.O. Ewuola. Pg 840-842.

66. Bamgbose, A. M., Isah, O. A., Sobayo, R. A., Oso, A. O., Okeke, E. N and Alonge, A. S. (2011). Utilization of bovine blood rumen digesta mixture-based diets by cockerel chicks. Proceedings of 36th Annual Conference of Nigeria Society of Animal Production (NSAP). Held at University of Abuja. 13-16th March. Edited by A.A. Adeniji, E.A.Olatunji, O.A. Olafadehan and .S Gana. Pg 391-395.

67. FOgunade, I. M., Eruvbetine D., Fafiolu, A. O., Oyekunle, M. A., Oso, A. O., Sobayo, R. A., Osho S. O and Ekunseitan, D. A. (2012). Effect of dietary mannan oligosaccharides on the prevalence of Salmonella organisms in the dropping of sampled laying hens within South-Western Nigeria. World’s Poultry Science Association (UK Branch) Annual meeting 24-25th April, pg 35 Jubilee Campus, Nottingham University. British Poultry Abstracts 8 (1):44-45. U.K.

68. FOso, A. O., Bamgbose, A. M., Oduguwa, O. O., Jegede, A. V, Fafiolu, A. O, Idowu, O. M. O, Sobayo, R. A, Olayemi, W. A., Lala, O. A., Oke, F. O. (2012). Performance and serum biochemistry of broiler chicks fed diet containing processed castor oil seed (Ricinus communis) cakes as partial replacement for soyabean bean meal. World Poultry Science Association (UK Branch) Annual meeting 24-25th April, pg 37 Jubilee Campus, Nottingham University. British Poultry Abstracts 8 (1):47-48. U.

69. FSobayo, R. A. Oso, A. O., Adeyemi, O. A., Fafiolu, A. O., Sogunle, O. M., Jegede, A. V., Jegede, Fapohunda, R., Adejola, Y and Bayewu, O. (2014). Effects of dietary Abelmoschus esculentus leaf meal on laying hens performance and egg quality indices. Proceedings of XIVth European Poultry Conference hosted by the Norwegian Branch of the World’s Poultry Science Association 23rd-27th June, Stavanger, Norway. Birger Svihus (Ed.) Pp 529.

70. Sobayo, R. A., Okonkwo, I. J., Oso, O. A., Eruvbetine, D and Oguntona, E. B. (2015). Nutrient digestibility of finishing broiler chickens fed graded levels of guinea hen weed (Petriveria alliaecea) leaf and root meals. Proceedings of the 49th Annual Conference of the Agricultural Society of Nigeria (ASN). Held at Delta State University, Asaba campus, Asaba, Delta State. 9th-13th November, 2015. Pp 919-922. Published by Agricultural Society of Nigeria.

71. F*Muhammad, S. B., Sobayo, R. A., Oso, O. A., Sogunle, O. M., Ayoola, A. A., Basiru, Y. T and Abotinde, R. O. (2018). Haematological indices of ISA brown birds fed diets containing guinea hen weed (Petiveria alliacea) leaf and root meals. (2018). Proceedings of the 4th African Organic conference. Held at Yaounde, CAMEROUN. November 5-8, 2018.