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Articles by A.E. Salako
Total Records ( 3 ) for A.E. Salako
  A.O. Ige , A.E. Salako , A. Yakubu and S.A. Adeyemi
  Qualitative traits characteristics of indigenous Chickens in derived savannah Zone of Nigeria were studied. A total of two thousand and forty one (2,041) indigenous chickens comprising 1274 Yoruba Ecotype Chickens (YEC) and 767 Fulani Ecotype Chickens (FEC) were sampled for the study. Traits studied included Sex, Comb Size, Wattle Size, Comb Type, Ear lobe Colour, Feather Structure, Plumage and Comb Colour. The result indicated that female chickens dominated the two Ecotypes with 52.04% in YEC and 52.28% in FEC. Highest percentage of Large Comb Size was observed for male chicken in both ecotypes: 67.57% in YEC and 71.32% in FEC. Three types of wattle size were observed in the two populations (Small, Medium and Large). Proportion of Large Wattle size favoured male chickens (YEC: 51.13%, FEC: 49.38%) in both populations. Three different types of comb (Single, Rose and Pea) with Single Comb type dominant over others (94.29% in YEC and 80.44% in FEC). Three colour patterns of ear lobe were observed in YEC with White Ear Lobe (69.07%) dominated the population while five colour patterns were observed in FEC with Red Ear lobe (74.97%) dominated. Three feather structure (Normal, Frizzled and Naked Neck) pattern were observed in the two populations, Normal type had the highest percentage (YEC: 83.99%, FEC: 83.05%). Plumage colour varied widely, six different types were observed in YEC and mixed colour had the highest percentage (31.4%) followed by dominant black (25.69%) while Eight different types of plumage colour were observed in FEC in which black colour (31.55%) had the highest percentage. The study revealed a wide variation in some of the traits, therefore future study can be concentrated on selection for qualitative traits of interest.
  F.O. Eichie , A.E. Salako and S.E. Aggrey
  Background: Among poultry species, quail is the easiest to produce, yet no proper breeding strategy exist in Nigeria. However, data on production characteristics and genetic diversity among quail populations in Nigeria is scant. Objective: This study was carried out to investigate the genetic diversity, relationship and population structure in two Japanese quail strains (Albino and wild) using a restricted fragment length polymorphism marker in the prolactin (PRL) gene. Methodology: Fifteen quail from each strain were sampled in 5 geographical regions in Nigeria (Kano, Jos, Umudike, Port Harcourt and Ibadan). Polymerase chain reaction (PCR) and electrophoresis was used to characterize a 24 base pair (bp) insertion/deletion in a 358 bp PCR product. Results: The genetic variability using allele frequency, molecular variance, deviation from Hardy-Weinberg (H-W) equilibrium using the phylogenies package (PHYLIP) and analysis of molecular variance (AMOVA) were obtained. The frequency of insertion (A allele) was similar for both strains in the Ibadan, Jos and Umudike populations, however, the allele frequency was 0.73 and 0.50 for the Albino and Wild strains, respectively in Kano 0.57 and 0.70, respectively for the Albino and Wild strains in Port Harcourt. Whereas, there were no deviations from HWE for both strains, in Ibadan, Jos and Umudike, the populations in Kano and Port Harcourt deviated from H-W equilibrium. The AMOVA analysis showed 4.04% population difference, 1.17% variation among individuals and 94.25% within individuals. Conclusion: Prolactin is an important gene for reproduction and it’s segregation could be assessed for reproductive capacity. The delineation of genetic diversity in these populations allows for innovative selective breeding and conservation strategies to be developed.
  O.H. Osaiyuwu , M.O. Akinyemi and A.E. Salako
  Ten body measurements were taken on 100 Balami sheep aged 18-24 months within the humid southwest Nigeria. The body measurements were Wither Height (WH), Body Length (Bl), Rump Height (RH), Rump Width (RW), Rump Length (RL), Shoulder Width (SW), Tail Length (TL), Heart Girth (HG), Neck Circumference (NC) and Body Weight (BW). The study was aimed at investigating the variance structure and to provide a description of the conformation of the sheep using a cluster analysis. Applying wither height for size estimation, the animal measured 83.96±5.99 cm. The other body measurements for the age group were BL = 96.06±11.45 cm, RL = 28.13±5.19 cm, RW = 23.14±2.07 cm, RH = 87.18±5.99 cm, SW = 27.85±4.37 cm, TL = 57.56±4.56 cm, HG = 95.68±5.31 cm, NC = 41.26±8.36 cm and BW = 53.01±9.50 kg. Variability was high within body measurements.
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