DEPARTMENT OF ANIMAL SCIENCE

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Author: search.filters.author.Akinyemi, M.O.Subject: search.filters.subject.Haemoglobin

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    Biochemical Differentiation of Selected Indigenous Cattle Breeds in Nigeria
    (2018) OIadepo, A.D.; Salako, A.E.; Akinyemi, M.O.; Osaiyuwu, O.H.
    Variations in genetic resources are the basis for effective genetic improvement in farm animals. Population differentiation is used for objective choice of parental genotypes that constitutes new hybrids in crossbreeding. In Nigeria, population characteristics of some selected indigenous cattle breeds have not been fully documented. Therefore, biochemical differentiation of some selected indigenous cattle breeds in Nigeria was assessed using their blood protein polymorphism. Blood samples (5mL) were taken underneath the fail by venipuncture from 40 cattle randomly selected from each of the five selected breeds. The samples were subjected to cellulose acetate electrophoresis to determine the genetic variants of haemoglobin (Hb), carbonic anhydrase (CA) and transferrin (Tf) following standard procedure. Data were analyzed using allele frequencies and duster analysis. Allele frequencies ranged betweenO.10 (H b *) and 0.90 (HbB+), 0.11 (CAR) and 0.89 (C A ^) and 0.02 (T F) and 0.49 (T F ) across the breed. Two main dusters from the dendrogram were observed for each of Hb, CA and Tf. Genetic variants of transferrin were largest within breed which indicated the potential for selection
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    Haemoglobin Genetic types of some Major Gene types of Nigerian Indigenous Chicken
    (2012) Akinyemi, M.O.; Osaiyuwu, O. H.; Salako.A.E.; Adegoke, A.N.
    This study describe the genetic structure of the haemoglobin locus in frizzle and naked chickens of Nigerian indigenous chickens. 1 total of fifty-one birds comprising twenty-nine frizz and twenty-two naked neck birds were used for the study. The locus was polymorphic in the populations studied with genetic variants A and B. HbA had a frequency of 0.636 and <).65ifrizzle and naked neck respectively indicating the predominance of A in both populations. The l\codominant alleles control three haemoglobin genotypes AA. AB and BB. Genotype AA occult at the highest frequency in frizzle types while AB was the most frequent in naked neck birds. 7 populations were analyzed for genetic equilibrium based on the differences between II distributions. Both populations were in genetic equilibrium at the haemoglobin locus.