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Articles by A.O. Oso
Total Records ( 3 ) for A.O. Oso
  A.O. Fafiolu , O.O. Oduguwa , A.M. Bamgbose , A.O. Oso , O.A. Isah , J.E.N. Olatunji and A.V. Jegede
  A study was carried out to determine the intake and utilization of Mango leaf meal by growing rabbits. Twenty cross weaned rabbits of average weight 700 g were randomly assigned to the five iso-nitrogenous and iso-caloric diets in which wheat offal was substituted at 0, 25, 50, 75 and 100%. The results showed that rabbits weight reduced significantly (p<0.05) across the dietary treatments. Weight gain and feed intake were affected significantly (p<0.05) by the treatment imposed on the rabbits. Dry matter digestibility, ash and crude fibre digestibility were affected across the treatment. Carcass evaluation values were significantly influenced by the treatment except the kidney. The cost kg-1 diet (^) decreased significantly as the level of dietary inclusion of Mango leaf meal increased from 0 to 100%. At the end of the study the highest savings on feed to produce kg-1 was obtained in the group which consumed 100% mango leaf meal diet. This was closely followed by rabbits on 75, 50 and 25%. It was therefore concluded that Mango leaf meal can be fed to weaner rabbits up to 50% level without any adverse effect on performance variables.
  A.O. Oso , A.M. Bamgbose , O.A. Isah , J.E.N. Olatunji , A.T. Mabadeje , A.A. Alade and A.O. Oni
  Sixteen weaner rabbits of six weeks old, mixed breeds were fed Rice Milling waste based diets at 0, 25, 50 and 75% levels (replacing maize), respectively. This was done for a period of thirty-five days. The weight gain, feed conversion and protein efficiency ratios of rabbits fed 0% level and 25% level were significantly higher than those of rabbits fed 50 and 75% levels of the experimental diet. 0% and 25% levels do not have any significant difference between them. No mortality was recorded and also no physiological changes were observed throughout the thirty-five days of experiment. The nitrogen retention and crude fibre digestibility of diets fed 0% RMW and 25%RMW were significantly (p<0.05) the same and higher than others. Basically, from the performance data, there were no significance differences between the control diet 0% (RMW) and 25% (RMW) when compared, but there were significant differences when compared with diet 3 (50% RMW) and diet 4 (75% RMW), with diet 4 having the least performance. In terms of costing, diet 4 (75%) was the cheapest, but the least performance, while that of diet 2 (25% RMW) had a better performance and at a reduced cost. It can be concluded that RMW can conveniently be included in a weaner ration at 25% level of inclusion (replacing maize) without any adverse effect.
  W.A. Olayemi , A.O. OSO , A.M. Bamgbose , O.O. Oduguwa and S.A. Onadeko
  A ten-weeks feeding trial was conducted to assess the effect of inclusion of Maize Milling Waste (MMW) with/without xylanase supplementation on the performance characteristics, nutrient digestibility, haematological traits and carcass characteristics of weaner rabbits. A total of 48 unsexed, crossbred weaner rabbits were randomly allotted to the experimental diet in a 2 x 4 factorial arrangement with MMW at graded levels (0, 12, 23 and 35%) and two xylanase levels (0 ppm, 100 ppm). There were eight treatment groups of six rabbits each per treatment group(3 replicate of 2 rabbits per replicate). The final live weight of the rabbit were significantly (p<0.05) affected by MMW inclusion levels and it decreases as inclusion level of MMW increases from T1 to T4 and T3 to T8 respectively. Xylanase inclusion has no effect and hence did not improve the feed intake, final weight or weight gain. Nitrogen retention and crude fibre digestibility were not significantly (p<0.05) affected by the treatment. Ash digestibility significantly (p<0.05) increases as the inclusion level increases. Carcass yield indicated that shrunk weight, empty carcass weight and head were significantly (p<0.05) affected by the treatment imposed. The empty carcass weight reduces with increase in MMW inclusion level from 1165.30 g to as low as 999.30 g T4. The same trend also applies for the xylanase supplemented diets. The haemoglobin, red blood cell, mean corpuscular volume and white blood cell were all significantly (p<0.05) affected by the treatment. The result indicated that above 12% MMW inclusion level may have adverse effect (with/without xylanase enzyme supplementation) on rabbit performance and nutrient utilization and may not be a promising energy supplement beyond inclusion level of 12% in a weaner’s diet.
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