i. Thesis and Dissertations:

1. IKEOBI, C. O. N. 1982. Effect of housing system on the performance of broiler birds. Bachelor of Agriculture Project, University of Ife, Ile-Ife, Nigeria, 34pp.

2. IKEOBI, C. O. N. 1984. The relationships between the physical features of the fowl and its laying performance. Master of Science Project Report, University of Ibadan, Ibadan, Nigeria, 105pp.

3. IKEOBI, C. O. N. 1990. Boar and sow effects on litter characteristics and the performance of piglets to weaning age in Ibadan. Ph.D Thesis, University of Ibadan, Ibadan, Nigeria, 301pp.

ii. Books
1. Ariyo, O.J., C.O.N. IKEOBI, M.O. Ozoje, I.T. Omoniyi and O.B. Kehinde. 2004. (Editors) GENETICS AND IMPROVEMENT IN THE QUALITY OF LIFE.
Proceedings of the 29th Annual Conference of the Genetics Society of Nigeria held at the University of Agriculture, Abeokuta, Nigeria, 11th – 14th October, 2004.

iii. Publications in Learned Journals:

1.  IKEOBI, C.O.N. 1993. Direct genetic and additive maternal effects on piglet weight and survival under hot humid conditions. Indian Journal of Animal Sciences 63: 1191–1193.

2.  IKEOBI, C.O.N. and L.O. Ngere. 1993. Optimal nursing age of the exotic sow in Ibadan. Bulletin of Animal Health and Production in Africa 41: 245 – 249.

3.  IKEOBI, C. O. N. and L. O. Ngere. 1994. Direct genetic and additive maternal effects on swine litter size and weight in a tropical environment. Tropical Agriculture 71: 77 – 79.

4.  IKEOBI, C.O.N. 1994. A study of calf-rearing methods in selected farms in Ogun State, Nigeria. International Journal of Animal Sciences 9: 49 – 51.

5.  IKEOBI, C.O.N. 1994. Seasonal changes in liveweight of cattle in Ogun State, Nigeria. International Journal of Animal Sciences 9: 52 – 54.

6.  IKEOBI, C. O. N. and L. O. Ngere. 1995. Productivity of exotic sows in relation to number of farrowing. International Journal of Animal Sciences 10: 225 – 227.

7.  IKEOBI, C.O.N., S.O. Peters and M.O. Ebozoje.1995. Sexual dimorphisms in broiler chickens of two commercial strains. Nigerian Journal of Genetics 10: 61 – 66.

8.  Ebozoje, M. O. and C. O. N. IKEOBI. 1995. Productive performance and occurrence of major genes in the Nigerian local chicken. Nigerian Journal of Genetics 10: 67 – 77.

9. IKEOBI, C. O. N. and O. A. Faleti. 1996. Factors affecting liveweight of goats and sheep in two locations within Ogun State. Nigerian Journal of Animal Production 23: 12 – 15.  

10. IKEOBI, C. O. N. and S. O. Peters. 1996a. Carcass character and organ weight correlations and heritabilities in two strains of meat-type chicken. Indian Journal of Animal Sciences 66: 57 – 61.

11.  IKEOBI, C. O. N. and S. O. Peters. 1996b. Strain differences in the genetic parameter estimates for growth traits in meat-type chicken. Nigerian Journal of Animal Production 23: 103 – 106.

12.  IKEOBI, C. O. N., M. O. Ebozoje, O. A. Adebambo, J. A. Adenowo and O. A. Osinowo. 1996. Genetic differences in the performance of the local chicken in South Western Nigeria. Nigerian Journal of Genetics 11: 33 – 39.

13.  Adebambo, O. A., C. O. N. IKEOBI, M. O. Ebozoje, J. A. Adenowo and O. A. Osinowo. 1996. Variations in qualitative traits and their effects on the performance of local ducks and turkeys. Nigerian Journal of Genetics 11: 20 – 32.

14.  IKEOBI, C. O. N. and L. O. Ngere. 1996. Effect of litter size at birth on piglet weight and survival. Bulletin of Animal Health and Production in Africa 44: 155 – 159.

15.  Oduguwa, O.O. , C.O.N. Ikeobi 1997. Chemical evaluation of foliage of some tropical leguminous trees and shrubs as fodder. Pertanika Journal of Tropical Agriculture 20: 31 – 34.

16.  IKEOBI, C. O. N. 1998. Estimates of genetic parameters of some performance characters in egg-type chicken. Nigerian Journal of Science and Technology (a journal of the Nigerian Academy of Science) 1: 154 – 160.

17.  Ebozoje, M.O. and C. O. N. IKEOBI. 1998. Colour variation and reproduction in the West African dwarf goats. Small Ruminant Research 27: 125 – 130.

18.  IKEOBI, C. O. N., O. A. Adebambo and J. A. Adenowo. 1998. The distribution of the ptilopody gene in the Nigerian local pigeon. Nigerian Journal of Genetics 13: 58 – 60.

19.  IKEOBI, C. O. N., C. M. Hyginus, J. A. Adenowo and O. A. Adebambo. 1999. Egg quality parameters of four local poultry species in Nigeria. Tropical Journal of Animal Science 1: 37 – 42.

20.  IKEOBI, C. O. N. and V. A. Godwin. 1999. Presence of the polydactyly gene in the Nigerian local chicken. Tropical Journal of Animal Science 1: 57 – 65.

21.  Adebambo, O. A., C. O. N. IKEOBI, M. O. Ozoje, J. A. Adenowo and O. A. Osinowo. 1999. Colour variations and performance characteristics of the indigenous chickens of SW Nigeria. Nigerian Journal of Animal Production 26: 15 – 22.

22.  IKEOBI, C. O. N. 1999. Sire and reciprocal cross differences in preweaning gains in pigs. International Journal of Animal Sciences 14: 35 – 36.

23. Ebozoje, M. O., C. O. N. IKEOBI, O. A. Adebambo, J. A. Adenowo and O. A. Osinowo, 1997. Performance characteristics of indigenous guineafowl varieties in South-Western Nigeria. Delta Agriculturist 4: 42 – 53.

24. Abiola, S. S., C. O. N. IKEOBI and M. A. Dipeolu. 1999. Bovine wastages in abattoir and slaughter slabs of Oyo State: patterns and ethical concerns. Tropical Journal of Animal Science 1: 143 – 148.

25. Adenowo, J. A., O. A. Adebambo and C. O. N. IKEOBI. 1999. Characterisation of the local pigeon in SouthWestern Nigeria. Tropical Journal of Animal Science 2: 73 – 80.

26. Ozoje, M. O., C. O. N. IKEOBI, O. A. Adebambo and J. A. Adenowo. 1999. Occurring patterns and frequencies of colour genes in some indigenous poultry species in Nigeria. Tropical Journal of Animal Science 2: 151 – 162.

27. IKEOBI, C. O. N., M. O. Ozoje, O. A. Adebambo and J. A. Adenowo. 2001. Frequencies of feet feathering and comb type genes in the Nigerian local chicken. Pertanika Journal of Tropical Agricultural Science 24: 147 – 150. [Abstract]

28. Peters, S.O., C.O.N. IKEOBI, M. O. Ozoje and O. A. Adebambo. 2002. Genetic variation in the growth performance of the Nigerian local chicken. Tropical Animal Production Investigations 5: 32 – 36.

29. Peters, S.O., C.O.N. IKEOBI, M. O. Ozoje and O. A. Adebambo. 2002. Genetic variation in the reproductive performance of the Nigerian local chicken. Tropical Animal Production Investigations 5: 37 – 46.

30. IKEOBI, C. O. N., J. A. Woolliams, D. R. Morrice, A. Law, D. Windsor, D.W. Burt and P. M. Hocking. 2002. Quantitative trait loci affecting fatness in the chicken. Animal Genetics 33: 428 – 435.

31. Sewalem, A., D. M. Morrice, D. Windsor, C. S. Haley, C. O. N. IKEOBI, D. W. Burt and P. M. Hocking. 2002. Mapping of quantitative trait loci for body weight at three, six, and nine weeks of age in a broiler-layer cross. Poultry Science 81: 1775 – 1781.

32. Chineke, C. A., B. Agaviezor, C. O. N. IKEOBI and A. G. Ologun. 2003. Influence of genotype, sex, litter size and gestation length on body weights and measurements on rabbit at pre- and post-weaning ages. Tropical Journal of Animal Science 6: 123 – 130.

33. Chineke, C. A., F. A. Adeniran, A. G. Ologun, C. O. N. IKEOBI and O. A. Oseni. 2003. Analyses of breed, sex and age effects on some serum biochemistry parameters in rabbits. Tropical Journal of Animal Science 6: 85 – 90.

34. Chineke, C. A., C. O. N. IKEOBI and A. G. Ologun. 2004. Repeatability of body measurements in domestic rabbits. Journal of Applied Sciences 7: 4041 – 4046.

35. Chineke, C. A., A. G. Ologun, C. O. N. IKEOBI and A. Adeyemi. 2004. Estimates of heritability of weaning and post-weaning body measurements in domestic rabbits. Journal of Applied Sciences 7 (1): 3917 – 3923.  

36. IKEOBI, C. O. N., J. A. Woolliams, D. R. Morrice, A. Law, D. Windsor, D. W. Burt and P. M. Hocking. 2003. Quantitative trait loci for meat yield and muscle distribution in a broiler-layer cross. Livestock Production Science 87: 143 – 151.

37. Peters, S.O., C. O. N. IKEOBI, M. O. Ozoje and O. A. Adebambo. 2005. Modelling growth in seven chicken genotypes. Nigerian Journal of Animal Production 32: 28 – 38.

38. Peters, S.O., A.A. Adenuga, C.O.N. IKEOBI, M.O. Ozoje and O.A. Adebambo. 2005. Strain and age of dam effects on the reproductive and internal egg quality traits of crossbred chicken. Nigerian Journal of Genetics 19: 23 – 33.

39. Chineke, C. A., C. O. N. IKEOBI and A. G. Ologun. 2006. Body measurements of rabbits breeds and crosses at weaning and post-weaning ages. Journal of Biological Sciences 6: 31 – 37.

40. Peters, S.O., M.A. Adeleke, M.O. Ozoje, O.A. Adebambo and C.O.N. IKEOBI. 2006. Bio-prediction of liveweight from linear body measurement traits among pure and Crossbred chicken. Nigerian Poultry Science Journal 4: 1 – 6.

41. Chineke, C. A., A. G. Ologun and C. O. N. IKEOBI. 2006. Haematological parameters in rabbit breeds and crosses in humid tropics. Pakistani Journal of Biological Sciences 9: 2102 – 2106.  

42. Fafiolu, A.O., O.O. Oduguwa, C.O.N. IKEOBI and C.F.I. Onwuka. 2006. Utilization of malted sorghum sprout in the diet of rearing pullets and laying hens. Archivos de Zootecnia 55: 361 – 371.

43. Peters, S.O., C.O.N. IKEOBI, M.O. Ozoje, O.A. Famakinwa, Y.S. Oshodi and Olufunmilayo A. Adebambo. 2007. Egg quality of the Nigerian local chicken as influenced by some major genes. Nigerian Journal of Animal Production 34: 25 – 31.

44. Chineke, C. A., A. G. Ologun and C. O. N. IKEOBI. 2007. Haemoglobin types and production traits in rabbit breeds and crosses. Journal of Biological Sciences 7: 210 – 214.

45. Adebambo, A.O., C.O.N. IKEOBI, M.O. Ozoje and Olufunmilayo A. Adebambo. 2008. Estimates of some genetic parameters of growth traits among pure and crossbred meat- type chickens. Nigerian Journal of Genetics 21: 67 – 85.

46. Peters, S.O., O.D. Shoyebo, B.M. Ilori, M.O. Ozoje, C.O.N. IKEOBI and O.A. Adebambo. 2008. Semen quality traits of seven strains of chickens raised in the humid tropics. International Journal of Poultry Science 7 (10): 949 – 953.

47. Peters, S.O., B.M. Ilori, M.O. Ozoje, C.O.N. IKEOBI and O.A. Adebambo. 2008. Gene segregation effects on fertility and hatchability of pure and crossbred chicken genotypes in the humid tropics. International Journal of Poultry Science 7 (10): 954 – 958.

48. Adebambo, A.O., C.O.N. IKEOBI, M.O. Ozoje, O.O. Oduguwa and Olufunmilayo A. Adebambo. 2008. Genetic variations in feed efficiency among pure and crossbred meat- type chickens. Nigerian Poultry Science Journal 5 (2) (accepted).

49. Adebambo, A.O., C.O.N. IKEOBI, M.O. Ozoje, amd Olufunmilayo A. Adebambo. 2009. Variation in growth performance of pure and crossbred meat type chickens. Nigerian Journal of Animal Production 36: 211 – 227.

50. Ilori, B.M., S.O. Peters, C.O.N. IKEOBI, A.M. Bamgbose, C.E. Isidahomen and M.O. Ozoje. 2010. Comparative Assessment of growth in pure and crossbred turkeys in a humid tropical environment. International Journal of Poultry Science 9: 368 – 375.

51. Adebambo, A.O., M.A. Adeleke, M. Wheto, S.O. Peters, C.O.N. IKEOBI, M.O. Ozoje, O.O. Oduguwa and Olufunmilayo A. Adebambo. 2010. Combining abilities of carcass traits among pure and crossbred meat type chickens. International Journal of Poultry Science 9: 777 – 783.

52. Adeleke, M.A., S.O. Peters, M.O. Ozoje, C.O.N. IKEOBI, A.M. Bamgbose and Olufunmilayo A. Adebambo. 2011. Growth performance of Nigerian local chickens in crosses involving an exotic broiler breeder. Tropical Animal Health and Production 43 (3): 643 – 650.

53. Peters, S.O., H.H. Gunn, I.G. Imumorin, B.O. Agaviezor and C.O.N. IKEOBI. 2011. Haematological studies on frizzled and naked neck genotypes of Nigerian native chickens. Tropical Animal Health and Production 43 (3): 631 – 638.

54. Adeleke, M.A., S.O. Peters, M.O. Ozoje, C.O.N. IKEOBI, A.O. Adebambo, O. Olowofeso, A.M. Bamgbose and O.A. Adebambo. 2011. A preliminary screening of genetic lineage of Nigerian local chickens based on blood protein polymorphisms. Animal Genetic Resources 48: 23 – 28.

55. Adeleke, M.A., S.O. Peters, M.O. Ozoje, C.O.N. IKEOBI, A.M. Bamgbose and Olufunmilayo A. Adebambo. 2011. Genetic parameter estimates for body weight and linear body measurements in pure and crossbred progenies of Nigerian indigenous chickens. Livestock Research for Rural Development 23 (1) (in press).

56. Adebambo, A.O., C.O.N. IKEOBI, M.O. Ozoje, O.O. Oduguwa and Olufunmilayo A. Adebambo. 2011. Combining abilities of growth traits among pure and crossbred meat type chickens. Archivos de Zootecnia 60 (in press).

57. Adeleke, M.A., S.O. Peters, M.O. Ozoje, C.O.N. IKEOBI, A.M. Bamgbose and Olufunmilayo A. Adebambo. 2011. Effects of crossbreeding on fertility, hatchability and embryonic mortality of Nigerian local chickens. Tropical Animal Health and Production 43 : DOI 10.1007/s11250-011-9926-x.