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Articles by A.H. Akinmutimi
Total Records ( 6 ) for A.H. Akinmutimi
  A.H. Akinmutimi
  The nutritive value of raw and processed jackfruit seeds was investigated using the following parameters-proximate composition, gross energy, mineral composition and anti-nutritional factors. The raw seeds were cooked for 20, 40 and 60 min, respectively. Both the raw and processed seeds were later dried, milled and chemically analyzed. The raw seeds had values that were significantly (p<0.05) higher with the exception of dry matter for all the parameters considered for proximate composition and energy content. For mineral content of processed seeds, those subjected to 60 min duration of cooking had the highest value for both macro and micro minerals. Also, seeds subjected to 60 min of cooking had the highest percentage reduction in all the anti-nutritional factors with 49.72% reduction in phytin, 2.98% reduction in tannin, 50% reduction in oxalate, 44.25% reduction in saponin and 100% reduction in trypsin inhibitors. With appreciable value of crude protein (22.92%), energy content of 2.92kcal g-1, better values for macro and micro minerals and highest percentage reduction in all the anti-nutritional factors for the seeds cooked for 60 min, 60 min of cooking is therefore recommended for usage in livestock and poultry nutrition.
  A.H. Akinmutimi and U.H. Ukpabi
  The nutritive value of raw and processed velvet beans (Mucuna pruriens) was investigated using the following parameters-proximate composition, gross energy, mineral composition and anti-nutritional factors. The raw and processed seeds were dried, milled and chemically analysed. Values for crude protein, ether extract and ash for the raw seeds were similar to the values for seeds cooked for 30 min but significantly (p<0.05) higher than the seeds cooked for 60 and 90 min. The gross energy content for the raw had significantly (p<0.05) higher values than all. For mineral contents (macro and micro) seeds cooked for 90 min had the highest value that were significantly (p<0.05) higher than all with exception of Sodium that did not follow a specific pattern. Also, seeds cooked for 90 min had the highest percentage reduction in all the anti-nutritional factors with 100% reduction in trypsin inhibitor, 69.62% in hydrogen cyanide and 27.05% reduction in tannin. With appreciable value of crude protein (22.82%), energy content of 4.23 kcal g 1, highest values for both macro and micro minerals and highest percentage reduction in all the anti-nutritional factors for the seeds cooked for 90 min. Ninety minutes of cooking is therefore, recommended for usage in livestock and poultry ration.
  A.H. Akinmutimi , E.O. Onyekwodiri , S.N. Ibe and O.C. Onwudike
  Feeding trial was conducted using 150 birds of day-old Anak broiler chicks, to assess the optimal level of quantitative replacement of soybean meal with raw sword bean meal in broiler diets. Thirty and Ten birds, respectively constitute a treatment and a replicate. Five experimental diets were formulated. Diet one was soybean based (control), while the test feedstuff quantitatively replaced 5, 10, 15 and 20% soy bean in diets 2, 3, 4 and 5, respectively. The birds were assigned to these diets; feed and water were given ad-libitum throughout the experiment. This experiment lasted for 28 days. Feeds given daily were recorded and feed intake and weight gain determined weekly. Data on carcass quality, organ weight, blood constituents and histopathology were obtained. They were subjected to analysis of variance and means were separated using New Duncan’s multiple range tests. There was significant (p<0.05) difference between the treatment means for all the parameters considered. Broiler chickens placed on the test-diets had severely hindered growth that was significantly (p<0.05) different from the results obtained from control diet. Feed-intake values were (43.3333, 31.8567, 25.5267, 19.0133, 16.7367), weight gain (20.3233, 14.4067, 10.34, 5.3933, 2.9990) and the feed conversion ratio (2.1367, 2.2033, 2.4467, 3.5700 and 5.6067). The gross margin of the control diet was higher (137.67) than the test diets (135.59, 106.61) (84.66, 66.88). Values of cut-parts showed significant differences in all parameters considered, with the birds placed on the control diet on the average performing better than others. Organ-weights showed significant (p<0.05) differences between the treatment means of the control diet and the test diets for all the parameters considered with the exception of the spleen. The values for heart intestine, proventriculus and gizzard followed no specific pattern that could be attributed to the effects of the diets, while the values for liver and kidney did. The liver values for the test diets became significantly higher than the control diet from diet 3 and above. The values for kidney for the test diets were numerically higher and became significantly (p<0.05) higher than the control diet for 15 and 20% diets. The principal effects of dietary raw sword bean on blood constituents were decreased RBC, abnormal MCH, MCV and MCHC when compared with normal range of haematological indices for broiler chickens. Also, there was increase in serum creatinine, alkaline-phosphatase and urea values. The inclusion of raw sword bean in the broiler chicken diets produce histopathological changes within the liver, kidney and spleen. Raw sword bean could not replace soybean meal quantitatively even at 5% dietary level of inclusion for starter broiler chickens.
  A.H. Akinmutimi and N.D. Okwu
  This work was undertaken to assess the effect of quantitative substitution of cooked Mucuna utilis Seed Meal (CMSM) for soyabean meal in broiler finisher ration. Seventy-five; 4-week-old Anak broiler birds were used in this trial. The birds were divided into five treatments groups of 15 birds each in a Completely Randomized Design (CRD).The treatments had soyabean meal quantitatively substituted at 0, 22.42% (5%),44.84% (10), 67.26 (15%) and 89.68 (20%) respectively by cooked Mucuna utilis Seed Meal (CMSM). There were significant (P< 0.05) differences between treatment means for feed intake, weight gain and feed conversion ratio. They decreased as the dietary levels of Mucuna utilis inclusion increased in the diet. The cost /kg weight gain for test diets were significantly (P< 0.05) better than that of control diet. Cut-parts and organ proportions presented as a percentage dressed weight showed no significant (P>0.05) differences. Considering the lower feed conversion ratio for all (CMSM) diets, favourably comparable market weight of the birds fed (CMSM) even at 20% dietary level of inclusion, good cut-parts and organ weights and better cost per Kg weight gain of the test diets, 20% dietary level of substitution (CMSM) for soyabean meal is recommended in broiler finisher ration.
  A.H. Akinmutimi , V.U. Odoemelam and S.F. Obasienkong
  The effect of replacing maize with ripe plantain peels and yam peels in the diets of weaner rabbits were investigated using 15 weaner rabbits. There were five treatment diets in all designated T1, T2, T3, T4 and T5 with plantain peel and yam peel meal replacing maize meal as energy source at 0, 25, 50, 75, 100% levels, respectively. The diets were fed to the rabbits in a completely randomized design. This experiment lasted 56 days. Data were collected on feed intake, weight gain and were used to calculate other growth performance parameter. At the end of the trials two animals were selected from each treatment, slaughtered and were used to evaluate the carcass characteristics. The cost effectiveness of the diets was also evaluated. Data collected were subjected to analysis of variance and significant means were separated using Duncan’s multiple range test. There was significant (p<0.05) difference for the values obtained for total feed intake, feed conversion ratio and cost per kg weight gain. Diet 3 had favourable weight gain, feed intake, feed conversion ratio, moderate cost per kg weight gain. Based on this, diet 3 is recommended. For organ weight there were significant differences (p<0.05) in all parameters measured except the heart. Diet 2 compared more favourably with control diet. This was followed by diet 3. For cut-parts, there were significant differences (p<0.05) in all the parameters measured except for back-cut. Diet 4 compared more favourably with control diet, this is followed by diet 3. From the above results, considering average values of growth performance, gross margin, organ weight and cut-parts, diet 3 compared favourably with the control diet and hence recommended.
  A.H. Akinmutimi and J. Ezea
  Twelve rabbits were used to determine the effect of graded levels of toasted lima bean meal in weaner rabbit diets in a completely randomized design (CRD) experiment. There were four treatments in the experiment. Each was replicated thrice. Diet 1 (control) was lima bean-free while diets 2, 3 and 4 contained 25%, 30% and 35% levels of toasted lima bean meal, respectively. The experiment spanned 56 days, during which data were collected from the animals. There were significant (P< 0.05) differences in the growth performance parameters except for feed-to-gain ratio. The highest mean feed intake (42.35g) was obtained with diet 1 (0%) and was significantly (P< 0.05) different from diet 4 (35%) toasted lima bean meal only (35.61g). The mean weight gain followed similar pattern. There was no significant (P>0.05) difference in feed-to-gain ratios. The lowest ratio (2.34) was obtained with diet 2 (25%). Following are 2.36, 2.47 and 2.62 in diets 1, 3 and 4, respectively. Gross margin was highest (N1760.16) in diet 3. Next are N1757.35, N1744.38 and N1703.57 in diets 2, 1 and 4, respectively. There was no significant difference (P>0.05) among the values for cut-parts and organ weights. Considering the growth performance, carcass quality, organ weight and gross margin, it is concluded that toasted lima bean meal could be included up to 30% in weaner rabbits diet.
 
 
 
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