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Articles by A.A. Musa
Total Records ( 3 ) for A.A. Musa
  P.A.O. Adeniyi , A.A. Musa , A.O. Bolaji and O.K. Ghazal
  The aim of this present study is to compare the gross anatomy, morphometry, histology and biochemical analysis of the cerebral cortex in African hedgehogs and pangolins. In this comparative study, six hedgehogs and five pangolins were used followed by histopathological and biochemical analysis. The average body weight and body length of hedgehog and pangolins were 181.50 g, 15.80 cm and 1558.40 g, 115.75 cm, respectively. The average brain weights and volume of hedgehog and pangolin were 1.42 g, 1.27 mL and 10.56 g, 66.38 mL, respectively while their Relative Tongue Weight (RTW) were determined to be 0.67 and 1.92%, respectively. The biochemical analysis of Lactate Dehydrogenase (LDH) and glucose-6-phosphate dehydrogenase (G6PDH) in hedgehog and pangolin were found to be 12449.80, 11728.60 and 17090.75, 14937.00 U L-1, respectively. The findings of this study provide baseline data that could be relevant in understanding the anatomical adaptation for their diet, cerebral and carbohydrate metabolism in these insectivorous mammals.
  A.A. Musa , S.E. Abdulmalik , A.J. Shoyombo , O.M. Akinsola and T. Usman
  Background and Objective: Nigerian indigenous chickens play a vital role in food security. This study aimed to determine the relationship between morphometric traits, predict body weight and classify three Nigerian indigenous chicken genotypes using multivariate analyses. Methodology: Data were obtained from a total of 808 randomly selected, matured and extensively reared Nigerian indigenous chickens, comprised of 490 normal feathered (NF), 170 frizzle feathered (FF) and 148 naked neck (NN) genotypes. Results: The phenotypic correlation between the morphometric traits ranged from 0.08-0.74, -0.11-0.76 and 0.03-0.77 for NF, FF and NN, respectively, with breast girth and tibia length being the most correlated to body weight. Three principal components from the factor analysis of morphometric traits explained about 75-84% of the total variance across genotypes. Regression models using original morphometric traits as predictors explained 44-65% of the variation in body weight across the genotypes, while orthogonal traits explained 29-62%. The discriminant analysis revealed some intermingling between the NF and NN genotypes, while NF and FF were almost distinct. Conclusion: We concluded that some morphometric traits could serve as markers for body weight but are genotype specific. The intermingling between NF and NN suggests that there is unrestricted gene flow and intermingling between NF and NN, which may pose a threat regarding genetic conservation.
  P.A.O. Adeniyi , O.K. Ghazal , A.A. Musa and E.A. Caxton-Martins
  The neurobehavioural effects of ethanolic leaf extract and smoke of N. tabacum was evaluated. About 24 presumably healthy animals were randomly divided into 6 groups, A-F of 4 mice each. Groups A and B were force fed with 10.72 and 5.36 mg of ethanolic extract per kg body weight, respectively groups C and D were exposed to 10. 72 and 5.36 mg of tobacco smoke for 3 min, respectively group E was exposed to equal weight (0.02 g) of cotton wool smoke for 3 min while group F was also given equal amount (0.2 mL) of normal saline for 21 days. The treated groups exhibited some behavioral changes such as restlessness, aggressiveness, agitation and disorientation. The neurobehavioural investigation was carried out using elevated plus maze. The results suggested that the consumption of N. tabacum leaves smoke and ethanolic extract can alter neurobehavioural activities.
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