Dr. Abdulmojeed Yakubu
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Dr. Abdulmojeed Yakubu

Professor
Nasarawa State University, Nigeria

Highest Degree
Ph.D. in Animal Breeding and Genetics from University of Ibadan, Nigeria

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Area of Interest:

Animal and Veterinary Sciences
100%
Animal Genetics
62%
Animal Production
90%
Animal Husbandry
75%
Animal Breeding
55%

Research Publications in Numbers

Books
0
Chapters
1
Articles
150
Abstracts
9

Selected Publications

  1. Yakubu, A., P. Jegede, M. Wheto, A.J. Shoyombo and A.O. Adebambo et al., 2022. Multivariate characterisation of morpho-biometric traits of indigenous helmeted Guinea fowl (Numida meleagris) in Nigeria. PLoS ONE, Vol. 17. 10.1371/journal.pone.0261048.
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  2. Wheto, M., A. Oguntuase, A. Adenaike, N. Chima and H. Ojoawo et al., 2022. Sequence analysis of exon 1 and intron 1 of growth hormone gene in six chicken genotypes raised in tropical environment. Biotechnol. Anim. Husb., 38: 41-54.
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  3. Tyasi, T.L., A. Yakubu, O.M. Akinsola and J. Ng’ambi, 2022. Evaluation of growth curve for South African non-descript indigenous goats using non-linear models. Acta Agric. Scand. Sect. A-Anim. Sci., 10.1080/09064702.2022.2112752.
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  4. Timveh, J.T., A. Yakubu and S.E. Alu, 2022. Effects of breed and sex on the adaptive profile of tropical goats. Acta fytotechn zootechn, 25: 24-33.
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  5. Shoyombo, A.J., Y. Abdulmojeed, O.O. Alabi, M.A. Popoola, E.M. Okon and D.O. Arije, 2022. Applications of myostatin in poultry and aquaculture-A Review. Open Agric. J., Vol. 16. 10.2174/18743315-v16-e2208010.
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  6. Portillo-Salgado, R., J.G. Herrera-Haro, J. Bautista-Ortega, A. Sánchez-Villarreal, F.A. Cigarroa-Vázquez, A.J. Chay-Canul and A. Yakubu, 2022. Study of racial profile of the native Guajolote (Meleagris gallopavo gallopavo) in two regions of Mexico: morphometric characterization. Trop. Anim. Health Prod., Vol. 54. 10.1007/s11250-022-03101-1.
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  7. Bamidele, O., T.A. Amole, O.A. Oyewale, O.O. Bamidele and A. Yakubu et al., 2022. Antimicrobial usage in smallholder poultry production in Nigeria. Vet. Med. Int., Vol. 2022. 10.1155/2022/7746144.
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  8. Bamidele, O., A. Yakubu, E.B. Joseph and T.A. Amole, 2022. Antibiotic resistance of bacterial isolates from smallholder poultry droppings in the Guinea Savanna Zone of Nigeria. Antibiotics, Vol. 11. 10.3390/antibiotics11070973.
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  9. Wheto, M., O.O. Ismaila, M.A. Adeleke, A.S. Adenaike and S.O. Peters et al., 2021. Sequence analyses of insulin-like growth factor 1 gene in Nigerian indigenous and arbor acre chickens. Genetika, 53: 271-282.
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  10. Shoyombo, A. J., A. Yakubu, A.O. Adebambo, M.A. Popoola and O.A. Olafadehan, et al., 2021. Characterisation of indigenous helmeted guinea fowls in Nigeria for meat and egg production. World's Poult. Sci. J., 77: 1037-1058.
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  11. Onasanya, G.O., G.M. Msalya, A.K. Thiruvenkadan, C. Sreekumar and G.K. Tirumurugaan et al., 2021. Heterozygous single-nucleotide polymorphism genotypes at heat shock protein 70 gene potentially influence thermo-tolerance among four zebu breeds of Nigeria. Front. Genet., Vol. 12. 10.3389/fgene.2021.642213.
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  12. Akinsola, O.M., E.B. Sonaiya, O. Bamidele, W.A. Hassan and A. Yakubu, et al., 2021. Comparison of five mathematical models that describe growth in tropically adapted dual-purpose breeds of chicken. J. Appl. Anim. Res., 49: 158-166.
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  13. Adeolu, A.I., M. Wheto, V.U. Oleforuh-Okoleh, R.N. Nwose and A.S. Adenaike et al., 2021. Genetic diversity of rabbit (Oryctolagus cuniculus) population in South Eastern Nigeria using microsatellite markers. Trop. Anim. Sci. J., 44: 280-287.
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  14. Yakubu, A., S. Isa, O. Alabi, A.J. Shoyombo and A.I. Adeolu, 2020. Breeding practices and trait preferences of sheep farmers in a sub-humid tropical environment. Trop. Anim. Sci. J., 43: 377-384.
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  15. Yakubu, A., O. Bamidele, W.A. Hassan, F.O. Ajayi, U.E. Ogundu, O. Alabi, E.B. Sonaiya and O.A. Adebambo, 2020. Farmers’ choice of genotypes and trait preferences in tropically adapted chickens in five agro-ecological zones in Nigeria. Trop. Anim. Health Prod., 52: 95-107.
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  16. Yakubu, A. and P. Nimyak, 2020. Use of artificial neural network to model reproductive performance and mortality of non-descript rabbits. Acta Sci. Anim. Sci., Vol. 42. 10.4025/actascianimsci.v42i1.47715.
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  17. Peters, S.O., T. Hussain, A.S. Adenaike, J. Hazzard and O.B. Morenikeji et al., 2020. Evolutionary pattern of interferon alpha genes in bovidae and genetic diversity of ifnaa in the bovine genome. Front. Immunol., Vol. 11. 10.3389/fimmu.2020.580412.
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  18. Onasanya, G.O., G.M. Msalya, A.K. Thiruvenkadan, C. Sreekumar and G.K. Tirumurugaan et al., 2020. Single nucleotide polymorphisms at heat shock protein 90 gene and their association with thermo-tolerance potential in selected indigenous Nigerian cattle. Trop. Anim. Health Prod., 52: 1961-1970.
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  19. Onasanya, G., G. Msalya, A. Thiruvenkadan, C. Sreekumar and K. Tirumurugaan et al., 2020. Evaluation of polymorphisms at heat shock protein 90 gene by high resolution melting assays for potential heat tolerance among Nigerian zebu cattle breeds. Am. J. Anim. Vet. Sci., 15: 32-42.
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  20. Ajayi, F.O., O. Bamidele, W.A. Hassan, U. Ogundu and A. Yakubu et al., 2020. Production performance and survivability of six dual-purpose breeds of chicken under smallholder farmers' management practices in Nigeria. Arch. Anim. Breed., 63: 387-408.
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  21. Yakubu, A., L. Dahloum, A.J. Shoyombo and U.M. Yahaya, 2019. Modelling hatchability and mortality in muscovy ducks using automatic linear modelling and artificial neural network. J. Indonesian Trop. Anim. Agric., 44: 65-76.
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  22. Yakubu, A., L. Dahloum and E.G. Gimba, 2019. Smallholder cattle farmers’ breeding practices and trait preferences in a tropical Guinea savanna agro-ecological zone. Trop. Anim. Health Prod., 51: 1497-1506.
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  23. Yakubu, A., O.I.A. Oluremi and E.I. Ekpo, 2018. Predicting heat stress index in Sasso hens using automatic linear modeling and artificial neural network. Int. J. Biometeorol., 62: 1181-1186.
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  24. Yakubu, A., A. Salako, D. de, M. Takeet and S. Peters et al., 2018. Nucleotide sequence variability analysis of major histocompatibility vomplex class II DQA1 gene in Nigerian goats. Genetika, 49: 865-874.
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  25. Yakubu, A., 2018. Computational molecular analysis of deleterious mutations in serum amyloid A3 gene in goats and cattle. Niger. J. Biotechnol., 35: 80-90.
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  26. Yakubu, A., M. de Donato and I.G. Imumorin, 2017. Modelling functional and structural impact of non-synonymous single nucleotide polymorphisms of the DQA1 gene of three Nigerian goat breeds. South Afr. J. Anim. Sci., 47: 146-156.
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  27. Yakubu, A., A.E. Salako, M. de Donato, S.O. Peters and M.I. Takeet et al., 2017. Association of SNP variants in MHC-Class II DRB gene with thermo-physiological indices in tropical goats. Trop. Anim. Health Prod., 49: 323-336.
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  28. Yakubu, A., A.E. Salako, M. de Donato and I.G. Imumorin, 2017. Application of computational algorithms to assess the functionality of non-synonymous substitutions in MHC DRB gene of Nigerian goats. Genetika, 49: 63-76.
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  29. Yakubu, A. and M.M. Achapu, 2017. Assessment of production objective and breeding practices of rural goat keepers and implications for a breeding programme in north central Nigeria. Niger. J. Anim. Prod., 44: 50-61.
  30. Yakubu, A., A.V. Hingir and A.R. Abdullah, 2016. Multivariate analysis of sexual dimorphism in the morphometric traits of muturu cattle in north central Nigeria. Niger. J. Genet., .
  31. Yakubu, A., A.E. Salako, M.D. Donato, M.I. Takeet and S.O. Peters et al., 2016. Interleukin-2 ((IL-2) gene polymorphism and association with heat tolerance in Nigerian goats. Small Ruminant Res., 141: 127-134.
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  32. Yakubu, A., A.E. Salako, M. De Donato, S.O. Peters and M.I. Takeet et al., 2016. Association of SNP variants of MHC Class II DRB gene with thermo-physiological traits in tropical goats. Trop. Anim. Health Prod., 10.1007/s11250-016-1196-1.
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  33. Yakubu, A. and A.E. Salako, 2016. Predicting the effects of non-synonymous amino acid variants on protein function in prolactin receptor of cattle and chicken using the MEGA-MD algorithm. Niger. J. Anim. Sci., 18: 11-17.
  34. Takeet, M.I., B.O. Fagbemi, S.O. Peters, M. Wheto, A. Yakubu, M. DeDonato and I.G. Imumorin, 2016. Differential IFN-gamma (IFN-γ ), Interleukin 10 (IL-10) and cardiac troponin I (cTnI) responses in natural bovine trypanosomosis in Nigeria. Open J. Vet. Med., 6: 105-111.
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  35. Takeet, M.I., B.O. Fagbemi, S.O. Peters, M. DeDonato, A.M. Yakubu, M. Wheto and I.G. Imumorin, 2016. Genetic diversity among Trypanosoma vivax strains detected in naturally infected cattle in Nigeria based on ITS1 of rDNA and diagnostic antigen gene sequences. J. Parasitic Dis., 10.1007/s12639-016-0822-1.
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  36. Bibinu, B.S., A. Yakubu, S.B. Ugbo and N.I. Dim, 2016. Computational molecular analysis of the sequences of BMP15 gene of ruminants and non-ruminants. Open J. Genet., 6: 39-50.
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  37. Yakubu, A., M.M. Muhammed, M.M. Ari, I.S. Musa-Azara and J.N. Omeje, 2015. Correlation and path coefficient analysis of body weight and morphometric traits of two exotic genetic groups of ducks in Nigeria. Bangladesh J. Anim. Sci., 44: 1-9.
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  38. Yakubu, A., A.D. Awuje and J.N. Omeje, 2015. Comparison of multivariate logistic regression and classification tree to assess factors influencing prevalence of abortion in Nigerian cattle breeds. J. Anim. Plant Sci., 25: 1520-1526.
  39. Yakubu, A., A. Yahaya and J.N. Omeje, 2015. Heat tolerance traits and tick infestation in some indigenous breeds of cattle in Nigeria. Slovak J. Anim. Sci., 48: 79-85.
  40. Vincent, S.T., A. Yakubu, O.M. Momoh and J. Oegahi, 2015. Linear weight estimation tapes from predictive models for matured normal feathered Nigerian indigenous chickens. Livestock Res. Rural Dev., Vol. 27. .
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  41. Ugbo, S.B., A. Yakubu, J.N. Omeje, B.S. Bibinu, I.S. Musa, J.O. Egahi and N.I. Dim, 2015. Assessment of genetic relationship and application of computational algorithm to assess functionality of non-synonymous substitutions in DQA2 gene of cattle, sheep and goats. Open J. Genet., 5: 145-158.
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  42. Momoh, O.M., S.T. Vincent and A. Yakubu, 2015. In silico analysis of beta-lactoglobulin gene in some selected mammalian species. Biotechnol. Anim. Husbandry, 31: 327-338.
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  43. Ari, M.M., D.M. Ogah, A. Yakubu and S.E. Alu, 2015. Growth performance and cost benefit analysis of broiler chickens fed Moringa oleifera dried leaf meal as a phytogenic replacement of synthetic premix. Nsuk J. Sci. Technol., 5: 1-5.
  44. Yakubu, A., M.M. Muhammed and I.S. Musa-Azara, 2014. Application of multivariate logistic regression model to assess factors of importance influencing prevalence of abortion and stillbirth in Nigerian goat breeds. Biotechnol. Anim. Husbandry, 30: 79-88.
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  45. Yakubu, A., M.M. Ari, A.O. Ogbe, D.M. Ogah and M.M. Adua et al., 2014. Preliminary investigation on community-based intervention through cockerel exchange programme for sustainable improved rural chicken production in Nasarawa State, Nigeria. Livestock Res. Rural Dev., Vol. 26, No. 10. .
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  46. Yakubu, A., I.S. Musa-Azara and H.S. Haruna, 2014. Village guinea fowl (Numidia meleagris) production systems in Nasarawa state, north central Nigeria: Flock characteristics, husbandry and productivity. Livestock Res. Rural Dev., Vol. 26. .
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  47. Yakubu, A., H.K. Abimiku, I.S. Musa-Azara, R.E. Barde and A.O. Raji, 2014. Preliminary investigation of haemoglobin polymorphism and association with morphometric traits in West African Dwarf goats in north central Nigeria. Mljekarstvo, 64: 57-63.
  48. Yakubu, A., H.K. Abimiku, I.S. Musa-Azara, K.O. Idahor and O.M. Akinsola, 2014. Assessment of flock structure, preference in selection and traits of economic importance for domestic turkey (Meleagris gallopavo) genetic resources in Nasarawa State, Nigeria. Livest. Res. Rural Dev., Vol. 25. .
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  49. Yakubu, A., D.E. Alade and I. Ndubuisi, 2014. Molecular analysis of solute carrier family 11 member A1 (SLC11A1) gene in ruminants and non-ruminants using computational method. Genetika, 46: 925-934.
  50. Yakubu, A., A.E. Salako, M.O. Akinyemi and A.R. Abdullah, 2014. Molecular genetic characterization of non-descript goats in Nigeria using microsatellite markers: A preliminary investigation. Niger. J. Genet., 28: 42-48.
  51. Vincent, S.T., O.M. Momoh and A. Yakubu, 2014. Community-based management of animal genetic resources (AnGR): Constraints and prospects of AnGR conservation in the Tropics. J. Anim. Sci. Adv., 1: 624-632.
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  52. Vincent, S.T., O.M. Momoh and A. Yakubu, 2014. Bioinformatics analysis of beta-casein gene in some selected mammalian species. Res. Opin. Anim. Vet. Sci., 4: 564-570.
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  53. Vincent, S.T., J.O. Araku, F. Ayongu, S.S. Chia, O.M. Momoh and A. Yakubu, 2014. Redundancy elimination from morpho-stuctures of Nigerian Uda rams using principal component analysis. J. Anim. Prod. Adv., 4: 520-526.
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  54. Onasanya, G.O., T.M. Sanni, M.A. Adefenwa and A. Yakubu et al., 2014. Interrelationship studies between heat stress traits, blood andserum biochemical indices of extensively managed Nigerian sheep. IOSR J. Agric. Vet. Sci., 7: 43-46.
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  55. Musa-Azara, S.I., M. Jibrin, D. I. Hassan and A. Yakubu, 2014. Effects of oral administration of Moringaoleifera seed on blood chemistry and reproductive performance of female rabbits. Int. J. Agric. Sci. Vet. Med., 2: 18-21.
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  56. Idahor, K.O., A. Yakubu, A.F. Umar, F. Yahaya and L.A. Musa, 2014. Morphometric traits, spermatozoa microscopy and stripped eggs fertilization with milt collected from live African Mudfish (Clarias gariepinus). Livestock Res. Rural Dev., Vol. 26. .
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  57. Hassan, D., N. Yusuf, M. Musa, I. Musa-Azara and R. Barde et al., 2014. Haematology and some serum parameters of broilers fed decorticated fermented Prosopis africana seed meal. Agric. Sci. Technol., 6: 170-174.
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  58. Azara, S.I.M. and A. Yakubu, 2014. In-silico molecular analysis of rabies virus across regions. Comput. Mol. Biol., 4: 1-3.
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  59. Ajayi, O.O., M.A. Adefenwa, B.O. Agaviezor, C.O. Ikeobi and M. Wheto et al., 2014. A novel TaqI polymorphism in the coding region of the ovine TNXB gene in the MHC class III region: Morphostructural and physiological influences. Biochem. Genet., 52: 1-14.
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  60. Yakubu, A., O.F. Fakuade, E.A. Faith, I.S. Musa-Azara and O.A. Agunwole, 2013. Determination of prediction equations to estimate body condition score from body size and testicular traits of Yankasa rams. J. Indonesian Trop. Anim. Agric., 38: 79-85.
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  61. Yakubu, A., K.O. Idahor, E.A. Usman, L.F. Jonathan and I.S. Musa-Azara, 2013. Effect of feed restriction on growth performance, body conformation, carcass characteristics and cost-benefit in broiler chickens. Wayamba J. Anim. Sci., 5: 704-713.
  62. Yakubu, A., I.S. Musa-Azara, B.N.S. Yakubu, S.I. Daikwo, S.T. Vincent, O.M. Momoh and N.I. Dim, 2013. Biocomputational genome-wide analysis of micro RNA genetic variability in some vertebrates. Genetika, 45: 799-810.
  63. Yakubu, A., A.E. Salako, M. De Donato, M.I. Takeet and S.O. Peters et al., 2013. Genetic diversity in exon 2 of the major histocompatibility complex class II DQB1 locus in Nigerian goats. Biochem. Genet., 51: 954-966.
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  64. Yakubu, A., 2013. Principal component analysis of the conformation traits of Yankasa sheep. Biotechnol. Anim. Husbandry, 29: 65-74.
    Direct Link  |  
  65. Yakubu, A., 2013. Characterisation of the local Muscovy duck in Nigeria and its potential for egg and meat production. World's Poult. Sci. J., 69: 931-993.
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  66. Yakubu, A. and I.S. Musa-Azara, 2013. Evaluation of three mathematical functions to describe the relationship between body weight, body condition and testicular dimensions in Yankasa sheep. Int. J. Morphol., 31: 1376-1382.
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  67. Takeet, M.I., B.O. Fagbemi, M. De Donato, A. Yakubu and H.E. Rodulfo et al., 2013. Molecular survey of pathogenic trypanosomes in naturally infected Nigerian cattle. Res. Vet. Sci., 94: 555-561.
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  68. Sanni, T.M., G.O. Onasanya, M.A. Adefenwa, A. Yakubu and C.O. Ikeobi et al., 2013. Molecular diagnosis of subclinical African trypanosoma vivax infection and association with physiological indices and serum metabolites in extensively managed goats in the tropics. Open J. Vet. Med., 3: 39-45.
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  69. Musa-Azara, S.I., M. Jibrin, D.I. Hassan and A. Yakubu, 2013. Effect of hibiscus calyx in drinking water on egg production and egg quality of Japanese quails. Egypt. Poult. Sci., 33: 723-727.
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  70. Musa-Azara, S.I., D.M. Ogah, A. Yakubu, M.M. Ari and D.I. Hassan, 2013. Effects of Hibiscus calyx extracts on the blood chemistry of broiler chickens. Egypt. Poult. Sci., 33: 309-312.
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  71. Idahor, K.O., A. Yakubu, J.O. Egahi, D.S. Gwaza, G.B. Ahmadu and A.P. Thani, 2013. Growth performance, carcass characteristics and cost benefits of four broiler strains on restricted feeding regimen in North Central Nigeria. J. Anim. Sci. Adv., 3: 449-456.
  72. Idahor, K.O., A. Yakubu, D.S. Gwaza, J.O. Egahi, O.A. Dogo and A.D. John, 2013. Physiological Indices of four broiler strains on feed restriction in the middle belt of Nigeria. J. Anim. Prod. Adv., 3: 283-289.
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  73. Yakubu, A., S.O. Peters, B.M. Ilori, I.G. Imumorin and M.A. Adeleke et al., 2012. Multifactorial discriminant analysis of morphological and heat-tolerant traits in indigenous, exotic and cross-bred turkeys in Nigeria. Anim. Genet. Resour., 50: 21-27.
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  74. Yakubu, A., S.A. Okunsebor, A.A. Kigbu, A.O. Sotolu and T.D. Imgbian, 2012. Use of factor scores for predicting body weight from some morphometric measurements of two fish species in Nigeria. J. Agric. Sci., 4: 60-64.
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  75. Yakubu, A., 2012. Application of regression tree methodology in predicting the body weight of Uda sheep. Sci. Pap. Anim. Sci. Biotechnol., 45: 484-490.
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  76. Yakubu, A. and V.E. Aya, 2012. Analysis of genetic variation in normal feathered, naked neck and Fulani-ecotype Nigerian indigenous chickens based on haemoglobin polymorphism. Biotechnol. Anim. Husb., 28: 377-384.
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  77. Yakubu, A. and G.L. Mohammed, 2012. Application of path analysis methodology in assessing the relationship between body weight and biometric traits of red Sokoto goats in northern Nigeria. Biotechnol. Anim. Husbandry, 28: 107-117.
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  78. Musa-Azara, S.I., D.M. Ogah, D.I. Hassan and A. Yakubu, 2012. Effects of Vitamin C Supplementation on Egg Quality Characteristics of Harco Black Layers During the Hot Season. Egypt. Poult. Sci., 32: 607-611.
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  79. Ige, A.O., A.E. Salako, A. Yakubu, S.A. Adeyemi 2012. Qualitative traits characterization of Yoruba and Fulani ecotype indigenous chickens in derived Savannah zone of Nigeria. Int. J. Poult. Sci., 11: 616-620.
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  80. Idahor, K.O., M.M. Adua, A. Yakubu and A.T. Ayuba, 2012. Small ruminants slaughtered at Lafia abattoir: The health, meat yield and incidences of embryonal losses. Nsuk J. Sci. Technol., 2: 67-73.
  81. Fadare, A.O., S.O. Peters, A. Yakubu, A.O. Sonibare, M.A. Adeleke, M.O. Ozoje and I.G. Imumorin, 2012. Physiological and haematological indices suggest superior heat tolerance of white-coloured West African Dwarf sheep in the hot humid tropics. Trop. Anim. Health Prod., 45: 157-165.
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  82. Birteeb, P.T., S.O. Peters, A. Yakubu, M.A. Adeleke and M.O. Ozoje, 2012. Multivariate characterisation of the phenotypic traits of Djallonke and Sahel sheep in Northern Ghana. Trop. Anim. Health Prod., 45: 267-274.
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  83. Ajayi, O.O., M.A. Adeleke, M.T. Sanni, A. Yakubu and S.O. Peters et al., 2012. Application of principal component and discriminant analyses to morpho-structural indices of indigenous and exotic chickens raised under intensive management system. Trop. Anim. Health Prod., 44: 1247-1254.
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  84. Ajayi, O.O., A. Yakubu, O.O. Jayeola, I.G. Imumorin and M.I. Takeet et al., 2012. Multivariate analysis of sexual size dimorphism in local Turkeys (Meleagris gallopavo) in Nigeria. Trop. Anim. Health Prod., 44: 1089-1095.
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  85. Agaviezor, B.O., S.O. Peters, M.A. Adefenwa, A. Yakubu and O.A. Adebambo et al., 2012. Morphological and microsatellite DNA diversity of Nigerian indigenous sheep. J. Anim. Sci. Biotechnol., Vol. 3. 10.1186/2049-1891-3-38.
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  86. Agaviezor, B.O., M.A. Adefenwa, S.O. Peters, A. Yakubu and O.A. Adebambo et al., 2012. Genetic diversity analysis of the mitochondrial D-loop of Nigerian indigenous sheep. Anim. Genet. Resour., 50: 13-20.
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  87. Yakubu, A., M.M. Adua, H. Adamude, I.S. Musa-Azara, A.E. Salako and M.O. Akinyemi, 2011. Effect of stocking density on welfare and haematological indices of weaner rabbits. Nsuk J. Sci. Technol., 1: 88-93.
  88. Yakubu, A., F.G. Kaankuka and S.B. Ugbo, 2011. Morphometric traits of Muscovy ducks from two agro-ecological zones of Nigeria. Tropicultura, 29: 121-124.
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  89. Yakubu, A., A.O. Ladokun and M.M. Adua, 2011. Bioprediction of body weight from zoometrical traits of non-descript goats using linear and non-linear models in North Central Nigeria. Livest. Res. Rural Dev., Vol. 23, No. 6. .
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  90. Yakubu, A., A.E. Salako and I.G. Imumorin, 2011. Comparative multivariate analysis of biometric traits of West African Dwarf and Red Sokoto goats. Trop. Anim. Health Prod., 43: 561-566.
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  91. Yakubu, A., A.E. Salako and A.R. Abdullah, 2011. Varimax rotated principal component factor analysis of the zoometrical traits of Uda sheep. Archivos Zootecnia, 60: 813-816.
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  92. Yakubu, A., 2011. Fixing multicollinearity instability in the prediction of body weight from morphometric traits of White Fulani cows. J. Cent. Eur. Agric., 11: 487-492.
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  93. Yakubu, A., 2011. Discriminant analysis of sexual dimorphism in morphological traits of african muscovy ducks. Archivos de Zootecnia, 60: 1115-1123.
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  94. Yakubu, A. and S.A. Okunsebor, 2011. Morphometric differentiation of two Nigerian fish species (Oreochromis niloticus and Lates niloticus) using principal components and discriminant analysis. Int. J. Morphol., 29: 1429-1434.
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  95. Yakubu, A. and I.A. Ibrahim, 2011. Multivariate analysis of morphostructural characteristics in Nigerian indigenous sheep. Ital. J. Anim. Sci., Vol. 10. 10.4081/ijas.2011.e17.
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  96. Yakabu, A., 2011. Path analysis of conformation traits and milk yield of Bunaji cows in small holder herds in Nigeria. Agric. Trop. Subtropica, 44: 152-157.
  97. Okpeku, M., A. Yakubu, S.O. Peters, M.O. Ozoje, C.O.N. Ikeobi, O.A. Adebambo and I.G. Imumorin, 2011. Application of multivariate principal component analysis to morphological characterization of indigenous goats in Southern Nigeria. Acta Agric. Slov., 98: 101-109.
  98. Ilori, B.M., S.O. Peters, A. Yakubu, I.G. Imumorin and M.A. Adeleke et al., 2011. Physiological adaptation of local, exotic and crossbred turkeys to the hot and humid tropical environment of Nigeria. Acta Agric. Scand. Sect. A: Anim. Sci., 61: 204-209.
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  99. Barde, R.E., V.E. Aya, M.M. Ari, M. Musa and A. Yakubu, 2011. Performance of West African Dwarf (WAD) goats fed urea treated maize offal as supplement to natural herbage. Nigerian Vet. J., 31: 219-223.
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  100. Ari, M.M., R.E. Barde, M.D. Ogah, A. Yakubu and V.E. Aya, 2011. Performance of broilers fed silk cotton seed (Ceiba petandra) based diets. Prod. Agric. Technol., 7: 20-28.
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  101. Yakubu, A., K.O. Idahor, H.S. Haruna, M. Wheto and S. Amusan, 2010. Multivariate analysis of phenotypic differentiation in Bunaji and Sokoto Gudali cattle. Acta Argiculturae Slovenica, 96: 75-80.
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  102. Yakubu, A., J.A. Ayoade, Y.M. Dahiru, 2010. Effects of genotype and population density on growth performance, carcass characteristics and cost-benefits of broiler chickens in North Central Nigeria. Trop. Anim. Health Prod., 42: 719-727.
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  103. Yakubu, A., A.O. Raji and J.N. Omeje, 2010. Genetic and phenotypic differentiation of qualitative traits in Nigerian indigenous goat and sheep populations. ARPN J. Agric. Biol. Sci., 5: 58-66.
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  104. Yakubu, A., A.E. Salako, I.G. Imumorin, A.O. Ige and M.O. Akinyemi, 2010. Discriminant analysis of morphometric differentiation in the West African Dwarf and Red Sokoto goats. South Afr. J. Anim. Sci., 40: 381-387.
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  105. Yakubu, A., A.E. Salako and I.G. Imumorin, 2010. Multivariate analysis of spatial patterns of morphological traits in West African Dwarf goats in three agro-ecological zones of Nigeria. J. Applied Anim. Res., 38: 257-260.
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  106. Yakubu, A., A. Akinfemi, H.K. Abimiku and D.I. Hassan, 2010. Application of canonical discriminant analysis to performance traits in broiler strains. Niger. Poult. Sci. J., 7: 84-88.
  107. Yakubu, A., 2010. Path coefficient and path analysis of body weight and biometric traits in Yankasa lambs. Slovak J. Anim. Sci., 43: 17-25.
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  108. Yakubu, A., 2010. Indigenous chicken flocks of Nasarawa State, North Central Nigeria: Their characteristics, husbandry and productivity. Trop. Subtrop. Agroecosyst., 12: 69-76.
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  109. Yakubu, A. and M.O. Akinyemi, 2010. An evaluation of sexual size dimorphism in Uda sheep using multifactorial discriminant analysis. Acta Agric. Scand., 60: 74-78.
  110. Yakubu, A. and M.M. Adua, 2010. Effect of stocking density on growth performance, carcass qualities and cost-benefit of weaned rabbits in the savanna zone of Nigeria. Afr. J. Anim. Biomed. Sci., 5: 106-109.
  111. Musa-azara, S.I., D.M. Ogah and A. Yakubu, 2010. Seasonal variation in rectal temperature of holstein friesian cattle in the guinea savanah zone of Nigeria. Nig. Vet. J., 31: 246-248.
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  112. Yakubu, A., J.A. Gwaska and A.E. Salako, 2009. Strain and placement density effects on welfare, haematological and serum biochemical indices of broilers in North Central Nigeria. Acta Agric. Slovenica, 94: 153-158.
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  113. Yakubu, A., I.S. Musa-Azara, V.E. Aya, R.E. Barde and H.K. Abimiku, 2009. Path analysis of body weight and morphometric traits of Nigerian indigenous Muscovy ducks. Agric. Sci. Technol., 1: 64-70.
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  114. Yakubu, A., D.M. Ogah and K.O. Idahor, 2009. Principal component analysis of the morphostructural indices of white Fulani cattle. Trakia J. Sci., 7: 67-73.
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  115. Yakubu, A., D. Kuje and M. Okpeku, 2009. Principal components as measures of size and shape in Nigerian indigenous chickens. Thai J. Agric. Sci., 42: 167-176.
  116. Yakubu, A., A.S. Rahman, I.S. Musa, H. Ibrahim, H. Ibrahim, M.M. Ari and D.M. Ogah, 2009. Tobit analysis of socio-economic factors affecting chicken meat consumption due to avian influenza outbreak in Nasarawa state Nigeria. Phillipine J. Vet. Anim. Sci., 35: 188-196.
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  117. Yakubu, A., 2009. Fixing collinearity instability in the estimation of body weight from morpho-biometrical traits of West African Dwarf goats. Trakia J. Sci., 7: 61-66.
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  118. Yakubu, A. and K.O. Idahor, 2009. Using factor scores in multiple linear regression model for predicting the carcass weight of broiler chickens using body measurements. Rev. Cientifica UDO Agricola, 9: 963-967.
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  119. Yakubu, A. and J.A. Ayoade, 2009. Application of principal component factor analysis in quantifying size and morphological indices of domestic rabbits. Int. J. Morphol., 27: 1013-1017.
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  120. Yakubu, A. and A.E. Salako, 2009. Path coefficient analysis of body weight and morphological traits of Nigerian indigenous chickens. Egypt. Poult. Sci., 29: 837-850.
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  121. Ogah, D.M., A. Yakubu, S.I. Daikwo and O.M. Momoh, 2009. Heritability and repeatability estimates of some production traits in rabbit population in a humid environment in Nigeria. J. Agric. Sci. Technol., 2009: 16-19.
  122. Idahor, K.O., H. Yahaya, A. Yakubu and Y.M. Dahiru, 2009. On-site investigation of management and marketing strategies of ruminants at Lafia, Wamba and Doma markets in Nasarawa state, Nigeria. Acta Tech, 3: 15-18.
  123. Yakubu, A., D.M. Ogah and R.E. Barde, 2008. Productivity and egg quality characteristics of free range naked neck and normal feathered Nigerian indigenous chickens. Int. J. Poult. Sci., 7: 579-585.
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  124. Yakubu, A. and I.S. Musa, 2008. An assessment of avian influenza awareness among households in Nasaraw state, Nigeria. Asia-Pac. J. Rural Dev., 18: 93-101.
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  125. Ladokun, A.O., A. Yakubu, J.R. Otite, J.N. Omeje, O.A. Sokunbi and E. Onyeji, 2008. Haematological and serum biochemical indices of naked neck and normally feathered nigerian indigenous chickens in a sub humid tropical environment. Int. J. Poult. Sci., 7: 55-58.
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  126. Yakubu, A., A.E. Salako, A.O. Ladokun, M.M. Adua and T.U.K. Bature, 2007. Effects of feed restriction on performance, carcass yield, relative organ weights and some linear body measurements of weaner rabbits. Pak. J. Nutr., 6: 391-396.
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  127. Yakubu, A., A.E. Salako and A.O. Ige, 2007. Effects of genotype and housing system on the laying performance of chickens in different seasons in the semi-humid tropics. Int. J. Poult. Sci., 6: 434-439.
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  128. Rahman, S.A., F.A. Ajayi, S.A. Okunsebor and A. Yakubu, 2007. The Status of Agricultural Production in Nasarawa State. In: Studies in the History and Culture of the People of Nasarawa State. Akiwumi, O. (Ed.). Roots and Journals Ltd., Abuja, Nigeria., pp: 236-251..
  129. Ajayi, F.A., S.A. Okunsebor and A. Yakubu, 2007. Pests and Diseases of Crops, Livestock and Fish. In: Geographical Perspective on Nasarawa State. Akwa, V.L., N.L. Binbol, K.I. Samaila and N.D. Marcus, (Ed.). Onaivi Printing and Publishing Co. Ltd., Nasarawa state, Nigeria., pp: 81-89..
  130. Ajayi, F.A., A. Yakubu and S.A. Okunsebor, 2007. Livestock and Fish Production. In: Geographical Perspective on Nasarawa State. Akwa, V.L., N.L. Binbol, K.I. Samaila and N.D. Marcus (Ed.). Onaivi Printing and Publishing Co. Ltd., Nasarawa state, Nigeria., pp: 72-80..
  131. Adua, M.M., J.N. Omeje, A. Yakubu and O.O. Ibru, 2007. Incidence of liver flukes (Fasciola gingantica) on cattle slaughtered at Lafia abattoir, Nasarawa state, Nigeria. Prod. Agric. Technol., 3: 162-168.
  132. Laseinde, E.A.O., M.U. Liman and A. Yakubu, 2006. Occurrence of avian influenza in chickens in Nasarawa State, Nigeria. J. Anim. Vet. Adv., 5: 559-561.
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  133. Yakubu, A., A.R. Abdullah, M.M. Ari and D.M. Ogah, 2005. Studies on live weight and linear body measurements of West African Dwarf sheep in north central Nigeria. Prod. Agric. Technol., 1: 137-145.
  134. Yakubu, A., A.E. Salako, M. Ogah and M.M. Ari, 2005. Relationship between body weight and chest girth in White Fulani cattle. J. Nat. Appl. Sci., 1: 17-21.
  135. Rahman, S.A., A. Yakubu and E.S. Salau, 2005. The status of agricultural research and extension in northern Nigeria. J. Res. Agric., 2: 23-31.
  136. Rahman, S.A. and A. Yakubu, 2005. The status of commercial poultry egg production in Nasarawa state in Nigeria. Prod. Agric. Technol., 1: 122-129.
  137. Rahman, S.A. and A. Yakubu, 2005. Analysis of poultry egg production distribution and consumption in parts of Nassarawa state, Nigeria. Int. J. Nat. Appl. Sci., 1: 1-4.