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Articles by R.F. Ogunleye
Total Records ( 3 ) for R.F. Ogunleye
  F.O. Abulude , M.O. Ogunkoya1 , R.F. Ogunleye , A.O. Akinola and A.O. Adeyemi
  The effect of palm oil for the control of Sitophilus zeamais and Callosobruchus maculatus in stored grains was investigated using standard methods of analyses. The experiment was conducted between May and October 2006 in Chemistry laboratory of the Department of General Studies, Federal College of Agriculture, Akure, Nigeria. The quantity of oil used for the storage of 25 g of Zea mays, Cajanus cajan and Vigna unguiculata was 0.1, 0.2, 0.3 and 0.4 mL each. The results showed that the rate of mortality of S. zeamais and C. maculatus was high using 0.3 and 0.4 mL of palm oil. There was no sign of oviposition during the storage except in the control. The result also showed that the higher the quantity of oil, the lower the number of exit holes. Seed viability in the test was high compared to the control which did not show any sign of viability i.e., seed viability was not affected by the oil treatment. The application of the oil on the stored grains was simple and the results were encouraging. Efforts should be made to encourage its use in pest management.
  O.T. Omotoso , R.F. Ogunleye and J.B. Edward
  One hundred and twenty six laboratory rats, Rattus norvegicus (63 males and 63 females) were used in a 5 months trial to study the effects of dietary supplements on the growth, reproductive capacity and offspring birth-weights of the rats. The rats were randomly distributed into 7 dietary groups tagged dietary A (poultry starter mash+groundnut cake meal), dietary B (poultry starter mash+prawn meal), dietary C (poultry starter mash+soyabean meal), dietary D (poultry starter mash+fish meal), dietary E (poultry starter mash+groundnut meal), dietary F (poultry starter mash+blood meal) and dietary G, the control (poultry starter mash only). The highest weight gain was obtained by male rats fed with diet D (45.66 g) while the least weight was observed in male rats fed with diet F (26.98 g). Female rats fed with diet B had the longest tail length (18.40 cm) while male rats fed with the same diet recorded 16.10 cm. The highest number of offspring (7) were produced by female rat fed on diet D. The average birth-weight of the offspring was 3.56 g. The offspring of the rats fed with diet A had th highst birth-weight (4.36 g).
  F.O. Abulude M.O. Ogunkoya , R.F. Ogunleye , O. Emidun and A.I. Abulude
  Assessment of Pb, Cd, Ni and Cr was carried on soaps and detergents from Akure, Nigeria using spectrophotometry method. The mean results of the nineteen samples ranged thus: 3.78, 2.20 and 1.33 mg kg-1 of Pb, Ni and Cr, respectively. Cd was below detection limit. There was good correlation between the metals and all the samples (r = Pb (0.969), Ni (0.835) and Cr (0.806) at 95% confidence level. Although the values obtained for the trace heavy metals determined were low, there is a cause for vigilance. It is therefore advisable to monitor the environment were the soaps and detergents were obtained. If this is ensured, the end users of the samples would be safe from environmental hazard-pollution.
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