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Articles by P.N. Onu
Total Records ( 3 ) for P.N. Onu
  P.N. Onu and M.O. Otuma
  A 28 day feeding trial was conducted to evaluate the utilization of heat-treated sheep dropping in the diets of broiler chicks. Four experimental finisher diets were formulated such that diet 1 which served as the control contained 0% HSD (maize-based). Diets 2, 3 and 4 contained 7.5, 15 and 22.5% HSD respectively. 160, 5-week old broiler chicks were divided into four treatment groups of forty (40) birds each and each group randomly assigned to an experimental diet in a Completely Randomized Design (CRD). Each treatment was further subdivided into four (4) replicates of ten birds (10) per replicate. Results showed that there was a significant difference (p<0.05) in feed intake among the birds fed with the experimental diets. There was no significant (p>0.05) difference among birds fed diets T1, T2 and T3 (15% inclusion of HSD) on average final body weight, average body weight gain and average daily weight gain. Birds fed 22.5% HSB-based diet recorded significantly (p<0.05) the lowest body weight gain. It was however observed that the 15% HSD diet gave the best result in terms of total cost of feed consumed, cost of daily feed intake, cost of feed per kilogram gain and cost saving in (%). It was found from this study that HSD can be included in broiler finisher diets at up to 15% dietary level without any deleterious effect.
  P.M. Aja , A.N.C. Okaka , U.A. Ibiam , A.J. Uraku and P.N. Onu
  The proximate analysis of Talinum triangulare was carried out in both wet and dry conditions respectively. The results revealed the presence of carbohydrates (10.87±3.99 mg/g and 12.38±2.76 mg/g), steroids (106.61±2.53 mg/100mg and 11.37±1.19 mg/100g), protein (3.52±0.32% and 18.75±2.72%), oil content (3.52% and 1.44%), b-Carotene (114.5±1.49 mg/g and 40.02±0.50 mg/g) and crude fibre (12.00% and 8.50%) in dry and wet samples respectively. The wet sample was assayed for pectinases at various temperatures. This revealed the presence of pectinases with specific activities of 38.64 units/kg protein, 55.44 units/kg protein, 61.14 units/kg protein and 62.09 units/kg protein at 35, 55, 75 and 95oC respectively. These results indicate that the leaves contain an appreciable amount of nutrients and should be included in our meal for a balanced diet. The high amount of pectinases detected lends credence to the traditional use of water leaf as a softener of other vegetables species and a possible industrial application.
  P.M. Aja , A.N.C. Okaka , P.N. Onu , U. Ibiam and A.J. Urako
  The qualitative and quantitative analyses of Talinum triangulare (water leaf) leaf which is commonly used as vegetable in Nigeria were carried out on both dry and wet samples. The result of dry and wet samples revealed the presence of bioactive compounds namely flavonoids (69.80±4.42 mg/100 g and 58.33 ± 9.00 mg/100 g), alkaloids (55.56±5.00 mg/100 g and 13.89±5.00 mg/100 g), saponins (1.48±0.20 mg/100 g and 1.37±0.60 mg/100 g) and tannins (1.44±0.73 mg/100 g and 1.09±0.26 mg/100 g) respectively. The results indicate that the leaves contain an appreciable amount of bioactive compounds. Medically the presence of these phytochemicals explains the use of this vegetable in ethnomedicine for the management of various ailments.
 
 
 
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