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Articles by O.O. Ojebiyi
Total Records ( 6 ) for O.O. Ojebiyi
  I.O. Oladunjoye and O.O. Ojebiyi
  An eight week study was conducted to determine the nutritive value of Raw Breadfruit Meal (RBFM), Cooked Breadfruit Meal (CBFM) and Fermented Breadfruit Meal (FBFM) for the grower rabbit to increase their feed resources base and reduce cost of feeding. Breadfruit meals were included at 25% in the three diets except the control and the diets fed to four groups of fifteen rabbits in a completely randomized design. Data was collected on feed intake, weight gain, feed conversion ratio, digestibility, carcass and haematological characteristics. Results showed that weight gain of the rabbits that were fed control diet (15.4 g) was lower (p<0.05) than those fed FBFM (16.4 g) but higher than that of the group fed RBFM (12.8 g). Final weight, total weight gain, live weight, carcass weight and carcass yield followed similar trend. Feed consumed by the rabbits that were fed RBFM was lower (p<0.05) than that of the control, CBFM and FBFM diets. Rabbits that received RBFM also had lower (p<0.05) digestibility, Packed cell volume, Haemoglobin concentration, red blood cell counts and poor feed conversion than those fed other diets. Kidneys, pancreas and heart of the rabbits that were fed RBFM diet were larger (p<0.05) than those fed other diets. Cost/kilogram weight gain of the rabbits fed FBFM was lower than that of other diets. It was concluded that 25% FBFM can be included in grower rabbit diet to maximize growth and reduce production cost.
  M.D. Shittu , D.O. Adejumo , E.O. Ewuola , O. Alaba , O.J. Alagbe and O.O. Ojebiyi
  Background and Objective: Meeting nutrient requirement of broiler chicks to supply animal protein requirement cannot be overemphasized. Therefore research was designed to determine gut morphometric and ecological response of broiler starter fed varied levels of protein. Materials and Methods: A total of 144 days-old-broiler chicks were used for the study. Broiler standard starter mash with varied protein percentages of 20, 23 and 26%, respectively for treatments 1, 2 and 3 were used. Data were analyzed using ANOVA at α0.05. Results: Except feed conversion ratio (FCR) other parameters measured were significantly different, 26% CP had most efficient FCR (2.85). Average feed intake, daily feed intake, cost per kg feed and cost per kg weight gain increase with increase in the levels of protein. Weight of gut sections of broiler differ significantly (p<0.05) across treatments except oesophagus, proventriculus, duodenum and large intestine. Coliform forming unit of total aerobic microbes (CFU g1) was higher than other identified microbes in the GIT of broiler chicks. Caecum total aerobic plate count and total anaerobic plate count were higher compare to other sections. Enterobacter aerogenes was found in all regions of broiler examined irrespective of dietary protein levels. Salmonella specie also present across the treatments and present in every section except intestinal of broilers fed 26% CP. Lactobacillus species was found common in caecum and intestine of broilers. Conclusion: There is need for broiler farmers to embark on phase feeding to allow fast growing of broilers and sound biosecurity to suppress the growth of the pathogenic microbes.
  J.A. Akinlade , G.O. Farinu , A.A. Taiwo , O.A. Aderinola , T.A. Adebayo , O.O. Ojebiyi and O.A. Olaniran
  Two experiments were conducted to evaluate the potential use of jackbean (Canavalia ensiformis) forage as a feed supplement for West African dwarf goats in the derived savannah zone of Nigeria. In experiment 1, the forage production potential and quality of Canavalia ensiformis was investigated at three different spacing in a randomized complete block experiment. In the second experiment, the supplementary feeding value of the herbage in goats was investigated in a completely randomized experiment. Results showed that plant components (leaves, stem and whole) decreased (p<0.05) with increasing spacing. Leaf yield were 0.223, 0.209 and 0.109 t ha-1 for spacing 50x50, 75x75 and 100x100 cm, respectively. Crude protein contents of the leaves were similar (p>0.05) and were; 14.88 15.09 and 15.00% at 50x50, 75x75 and 100x100 cm spacing, respectively. In the second experiment, the total dry matter intake increased with increasing levels of supplementation (p<0.05). The total crude protein intake followed a similar trend. Average daily weight gain differed among the treatment groups with 0.18 g day-1 gain at the control group. It can be concluded based on herbage dry matter yield, nutrient composition and the animal performance that Canavalia ensiformis forage can be usefully incorporated into the dry season feed strategy of WAD goats in the derived savannah zone of Nigeria.
  R.O. Olabanji , G.O. Farinu , J.A. Akinlade and O.O. Ojebiyi
  Thirty-two crossed-bred rabbits of mixed sexes were used to investigate the effect of different inclusion levels of Wild Sunflower Leaf-blood Meal (WSFLBM) mixture on growth performance, carcass and organ characteristics of weaned rabbits in a completely randomized experimental design. Four diets were formulated to contain 0% (control), 5, 10 and 20% WSFLBM. The trial lasted for 56 days. Results showed that rabbits on 5, 10 and 20% inclusion levels had daily feed intake, average daily weight gain and feed to gain ratio that were comparable (p>0.05) to those on control diet. The feed cost per kg diet was significantly (p<0.05) reduced as the level of inclusion of WSFLBM mixture increased. The feed cost per kg weight gain was however not affected (p>0.05). Relative weights of heart, lung, kidney, spleen, stomach, pancreas and large intestine of rabbits on WSFLBM diets compared favourably with those rabbit on the control diet (p>0.05). It was concluded that wild sunflower leaf-blood meal mixture (WSFLBM) could be efficiently utilized and tolerated by weaner rabbits up to 20% inclusion level without any deleterious effect. However, further investigation into the long - term effect on internal organs and reproductive performance is suggested.
  I.A. Emiola , O.O. Ojebiyi and T.O. Akande
  Response of laying hens fed different levels of cocoa bean shell (CBS) was investigated using eighty 18-weeks old shaver Brown pullets in a six weeks feeding trial. Five rations were formulated by addition of 0, 15, 20, 25 and 30% cocoa bean shell and allocated to five groups of bird (16 birds/group) in a completely randomized design of experiment. Each group was further subdivided into eight replicates of 2 birds per replicate. The control diet was a maize-soybean meal based diet formulated to meet the nutrient requirement of a laying bird with no sun-dried cocoa bean shell (CBS), diets 2, 3, 4 and 5 contained 15, 20, 25 and 30 percent sun-dried cocoa been shell, respectively. Compared with the control diet, average daily feed intake (ADFI), egg production per bird per week as well as percent hen day production (HDP, %) were lower in diet 2 (15% CBS) (P < 0.05). Increasing the level of CBS from 0 to 30% in the diets resulted in linear decreases in ADFI, egg production per week and percent HDP (P < 0.05). Intake of theobromine increased with increasing level of inclusion of cocoa bean shell in the diets. The weights of the spleen, kidney and ovary were similar in birds fed the control diet, diet 2 (15% CBS) and diet 3 (20% CBS) (P > 0.05). However, the weights of the spleen, kidney and ovary were depressed in birds fed diets 4 (25%) and 5 (30%) compared with those that received the control diet (P<0.05). The weights of the liver, spleen, kidney and ovary were significantly (P < 0.05) influenced by addition of sun-dried CBS. It was concluded that cocoa been shell cannot be included in the layers diet up to 15%, a lower level might be tolerated.
  O.A. Oyewale , O.O. Ojebiyi , F.A. Adedeji , O. Bamidele and E.B. Sonaiya
  Background and Objective: The African Chicken Genetic Gain-Nigeria (ACGG-NG) project members decided to develop a software application to formulate feed rations (feed app) because the available (foreign) feed apps were either too complex for small holders to operate or the feed libraries in such apps could not be edited to include local feed ingredients. The web version of the app is available at, whereas the Windows, iOS and Android versions are available at the respective app stores. Materials and Methods: Locally-available feed resources in the project states were compiled into a feed library. The ACGG-NG app formulates rations for growers and layers using 50% of their crude protein requirements. The feed formulations are computed via a Pearson square ration formulation procedure that is enhanced by machine learning. A 10-week feeding trial was conducted involving 24 rural households where scavenging birds received app-formulated supplementation (ScAS) and were compared with scavenging birds that received farmer-formulated supplementation (ScFS) or no supplementation (ScNS) as well as a control group of confined birds that were fed proprietary diets (CPD). Results: The app is interactive and offers a way to formulate lower target quantities of the supplements when the available quantity of an ingredient is insufficient. The average daily gain of the ScAS growers was 49, 121 and 510% of that of the CPD, ScFS and ScNS growers, respectively. Conclusion: The feedapp allowed the use of locally-available feed resources to generate supplementary diets and the app-formulated supplementary diets resulted in enhanced growth in scavenging chickens.
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