FACULTY OF AGRICULTURE

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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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    Sex comparism of white Fulani cattle blood profile in Southwestern Nigeria
    (Animal Science Association of Nigeria, 2013) Ladokun, A. O.; Oyebode, O. A.; Abiona, J. A.; Ososanya, T. O.
    Sexual dimorphism has been established in the brain regions of farm animals and poultry, but for their blood, reports do not agree as to differences at the same age. While some reports show no differences except for pregnant and lactating females, others indicate Otherwise. This study was carried out to investigate the blood of white Fulani breed of cattle in southwestern Nigeria if there could be differences at same mature age (4yr). A total of 100 cattle were used consisting of 50 bulls and 50 cows. Full haematology was investigated using the Vet AutoHaemoanalyser machine. Some serum metabolites were also investigated including total Protein, Albumin and total cholesterol. Data obtained were subjected to one-way analysis of variance (ANOVA). The results show that white blood cell count (WBC) was significantly (P<0.05) higher in females (17.23±1.08) than in males (12.25±0.77). Mean Corpuscular haemoglobin concentration (MCHC) also showed sex differences with females having higher and significant (P<0.05) average value (33.8±0.19) than males (32.6±0.24). The results from Serum analysis show that bulls (with 37.8±0.54) have higher and significant (P<0.05) Albumin values than cows (34.9±0.29). Though the results obtained in this study fall within normal ranges for this species, it however does not indicate any specific sex effect for this breed.