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Author: search.filters.author.Ologhobo, A. D.Subject: search.filters.subject.Performance

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    Performance and carcass characteristics of broiler chicken fed soybean and sesame/soybean based diets supplemented with or without microbial phytase
    (2014-07) Omojola, A. B.; Otunla, T. A.; Olusola, O. O.; Adebiyi, O. A.; Ologhobo, A. D.
    Aims: The experiment was conducted to investigate the performance and carcass characteristics of meat-type chicken fed Soybean Meal (SBM) and Sesame/Soybean Meal (SSBM) supplemented with or without microbial phytase. Study Design: The experiment employed a complete randomized design; all data generated were subjected to analysis of variance, P=0.05. Place and Duration of Study: The study was carried out at the Teaching and Research Farm of the University of Ibadan, Nigeria, between October and December, 2011. Methodology: One hundred and sixty-eight unsexed two weeks old Arbor Acre strain chickens were used in a 35-day feeding trial. Two feeding regimes of soybean meal and Sesame/soybean meal based diets were formulated. Each feeding regime comprised of control diet and two levels of phytase units (300 and 600 FTU/kg) of 500 unit /g activity making a total of six dietary treatments. The birds were fed the experimental diets for a 35- and Feed Conversion Ratio (FCR). At the end of the feeding trial, three birds were slaughtered per replicate to evaluate carcass and meat characteristics. Results: The addition of phytase improved the birds’ performance, FI and FCR. Significant (P<0.05) increase was obtained for apparent retention of nitrogen (67.22%), ash (74.85%), ether extract (65.43%), crude fibre (76.22%) and Phosphorus (45.58%). Cooking loss values increased while the Water Holding Capacity (WHC) reduced with microbial phytase supplementation. Conclusion: Sesame/soybean diet supplemented with 300 FTU/Kg microbial phytase gave optimum performance and should probably be adopted as the feeding regime of choice since it also resulted in better nutrient utilization by the birds.
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    Response of broiler chickens to carica papaya and talinium triangulare leaf meal under normal and subnormal diets
    (Sciencedomain International, 2018) Agboola, B. E.; Ologhobo, A. D.; Adejumo, I. O.; Adeyemo, G. O.
    The use of locally available and cheap feed ingredients has received particular attention as a viable alternative to the use of conventional feedstuffs in developing countries. Vegetable-based feeds are rich sources of essential plant amino acids, vitamins, minerals, and antioxidants. Further to the rich contents mentioned, it has been established that green vegetable leaves are cheap and abundant sources of protein because of their ability to synthesize amino acids from a wide range of available primary materials. The aim of this study was to investigate the response of broiler chickens to Carica papaya and Talinium triangulare under normal and subnormal diets. In this study, the effects of C. papayaleaf meal and T. triangulare chopped leaves were assessed on growth performance and haematological parameters of broiler chickens. Two hundred and seventy 1-d old Arbor acres broiler chicks were used for the study. Each treatment had 5.replicates with 6 birds per replicate. Normal diets and subnormal diets were compounded with varying amounts of ingredients. The test ingredients were supplied at the rate of 10% of the main diets. The design of the experiment was a completely randomized design. All the treatments with subnormal diets obtained higher feed intake than treatments with normal diets. Birds on subnormal diet mixed with C. papaya leaf meal (24.03%) obtained the highest packed cell volume. The haemoglobin concentrations followed a similar pattern. Normal diets compared with control for feed conversion ratio.
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    Performance and tibia characteristics of chickens fed cassava chips supplemented with Dl-methionine
    (Sciencedomain International, 2016) Ologhobo, A. D.; Etop, S.; Ogunwole, O. A.; Adeyemo, G. O.; Adejumo, I. O.; Adeoye, D.
    This study was carried out to investigate the effect of cassava chips and DL-methionine supplementation on performance and tibia bone characteristics of broiler chickens. Broiler chickens were randomly assigned to 20 treatments in a 4x5 factorial arrangement with 5 dietary levels of cassava chips (0, 25, 50, 75 and 100 corn replacement) and 4 dietary levels of DL-methionine supplementation (0, 0.05, 0.1 and 0.2% i.e. 0, ½ NRC, NRC and double NRC 1994 recommended levels). Data obtained were subjected to analysis of variance. At starter phase, birds on cassava chips-based diets had significantly (P<0.05) higher body weight gain (BWG) than the control. Those on 25% cassava chip-based diet compared well with the control. Methionine supplement improved BWG at both starter and finisher phases; Cassava chips supplemented with DL-methionine can replace corn 100.00% in broiler chickens diet.