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Articles by O.M. Oluba
Total Records ( 4 ) for O.M. Oluba
  O.O. Alabi , A.J. Shoyombo , O.B. Akpor , O.M. Oluba and A.G. Adeyonu
  The feed fed to broilers is a determinant of digestibility, absorption and utilization of nutrient by the birds. The increasing cost of poultry production currently for feed formulated from conventional feed ingredients has made the use of cheaper, lesser known and unconventional feed ingredients a possible way of reducing the cost of production and providing more profit to poultry producers. However, most of the alternative feed ingredients are richer in Non-Starch Polysaccharide (NSP) content, the high content of NSP invariably affect animals’ performance in different ways. To mitigate the anti-nutritional factors of NSP, the use of feed enzymes are employed. This is so, since the endogenous enzyme secreted in the gastro-intestinal tract of broilers cannot digest NSP, therefore, it is desirable to supplement high fibrous feed with exogenous enzymes for effective and efficient digestion of NSP content and better performance of the birds in terms of feed intake, growth rate, feed conversion efficiency, body weight gain and carcass characteristics. These exogenous enzymes are readily obtainable from different microorganism such as Bacillus subtilis, Trichoderma longibrachiatum, Aspergillus niger, Trichoderma viride, Humicola insolens. The enzymes preparations are available under various trade names such as Nutrase xyla, Histazyme, Avizyme, Natugrain, Allzyme, Grindazyme, Roxazyme G, Avizyme, Maxi-grain, Natuzyme and others. In this review, exogenous enzyme for broiler’s diet, features of bacterial and fungal xylanase enzymes, effect of xylanase and phytase on broiler nutrition, qualities of commercial enzymes and benefits of enzyme supplementation was discussed.
  B.O. Idonije , E.O. Nwoke , O. Festus and O.M. Oluba
  Malaria has protean clinical manifestations and Acute Renal Failure (ARF) is one of its serious complications and could be life threatening. Information on kidney involvement in malaria in Africa is still scanty and Nigeria is no exception. Kidney function was assessed in 60 (28 males and 32 females) malaria positive patients (as test subjects) and 40 (16 males and 24 females) malaria negative individuals (as controls) using plasma creatinine, urea and uric acid as test indicators. Descriptive analysis of results obtained showed that plasma creatinine level was significantly (p<0.05) increased in both males and females malaria positive patients (tests) compared to their respective controls (malaria negative males and females, respectively). Female test subjects also had significantly higher plasma urea concentration compared to female controls. No significant change (p>0.05) was observed in plasma uric acid between female test subjects and female control subjects. Similarly, plasma urea and uric acid levels were not significantly altered in male test subjects compared to male control subjects. Males test subjects were observed to have higher plasma levels of the test parameters compared to female test subjects. Comparative study between male and female test subjects showed significantly higher concentrations in plasma creatinine and uric acid in male test subjects compared to female test subjects. From these results, it is concluded that renal impairment is a clinical feature of malaria in Ekpoma, South-South Nigeria.
  O.M. Oluba , Y.R. Ogunlowo , G.C. Ojieh , K.E. Adebisi , G.O. Eidangbe and I.O. Isiosio
  In this study, the physicochemical properties and fatty acid composition of Citrullus lanatus (egusi melon) were investigated. Oil from the seeds of Citrullus lanatus (egusi melon) was extracted with petroleum ether as solvent. The ether extract was evaluated for its specific gravity, refractive index, acid, iodine, peroxide and saponification values. The fatty acid profile analysis of the oil was also carried out by Gas Liquid Chromatography. The oil has a specific gravity of 0.93 and refractive index of 1.45 indicating that the oil is less thick compared to most drying oils with refractive indices between 1.48 and 1.49. Its acid, iodine, peroxide and saponification values were 3.5 ±0.3, 110 ±8.2, 8.3 ±4.6 and 192 ±43.7, respectively. These values are within recommended range for edible oils. The oil has four main fatty acids: palmitic, stearic, oleic and linoleic acids, linoleic acid being the most abundant. The fatty acid content of the oil showed that 71.9% is unsaturated. These results indicate that egusi melon oil could be a good source of table oil. Its high content of linoleic acid is of particular interest especially in the fight against atherosclerosis.
  O.M. Oluba , O. Adeyemi , G.C. Ojieh , K.E. Adebisi , I.O. Isiosio and C.O. Aboluwoye
  The activities of serum enzymes were investigated in rats feeding on 5 and 10% cholesterol. Rat were subjected to feeding over a period of seven weeks on formulated diets containing no cholesterol supplement, 5 and 10% cholesterol respectively. Serum cholesterol, triglycerides, gamma-glutamyl transpeptidase (GGT), lactate dehydrogenase (LDH), alanine transaminase (AST) and Aspartate Transaminase (AST) of rat placed on the formulated diets were measured every week for seven weeks. Relative to the control, the serum parameters studied increased significantly (p<0.05) in the test rats. In contrast, the body weight of rats was significantly lower than that of the control rats (p<0.05). It eas considered that consumption of the cholesterol based diet may not lead to increase in body weight. However, it could increase the risk of heart related diseases.
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