DEPARTMENT OF ANIMAL SCIENCE

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Author: search.filters.author.Ogunwole, O. A.

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    Growth and carcass characteristics of finishing broilers on acidified blood meal based diet
    (2013-01) Abu, O. A.; Ogunwole, O. A.; Adedeji, B. S.; Adeboboye, A. V. K.; Tewe, O. O.
    The objective of this study was to evaluate the effects of inclusion of acidifer in a blood meal based diet on broiler performance and carcass characteristics. One hundred and eighty un-sexed 4-week old broiler chicks raised on a common Starter diet were randomly distributed into four experimental diets of 3 replicates and fifteen birds per replicate consisting of a control diet devoid of blood meal and acidifier (T1). Birds on treatment 2 (T2), in addition to common ingredients, had blood meal and acidifier; birds on treatment 3 (T3) had blood meal without acidifer and birds on treatment 4 (T4) had acidifier without blood meal. The birds were fed respective diets and watered ad libitum for four weeks. Daily feed intake was not significantly (p> 0.05) affected by dietary treatment. However, birds on treatment 3 had the poorest average daily body weight gain and feed conversion ratio. The addition of acidifier to diet containing blood meal however alleviated depressed daily body weight. The final body weights were 1.78, 1.74, 1.53 and 1.71 kg for birds on diets 1, 2, 3 and 4, respectively. Carcass yield expressed in percent live body weight were not significantly (p< 0.05) affected. The inclusion of blood meal in the diet without the addition of acidifier caused a mortality of 22% in the chickens and that addition of acidifier at 0.3% improved the growth performance and livability of chickens.
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    Effects of dietary acidifier-based diet on haematology and serum biochemical indices of broilers
    (2009-07) Ogunwole, O. A.; Abu, O. A.; Sokunbi, O. A.; Asiruwa, P. O.
    A trial was conducted to determine the effect of dietary Biotronics SE® supplementation on haematological and serum parameters of broilers. A total of 120 1-day old Marshall broilers were randomly distributed to four dietary treatments using completely randomized design. Chicks in treatment 1 were fed basal diet (control) while those on treatments 2, 3 and 4 were given basal deits supplemented with 0.1% oxytetracycline HCl only; 0.3% Biotronics SE® only and 0.1% oxytetracycline HCl + 0.3% Biotronics SE®, respectively. Each treatment was a duplicate of fifteen chicks per replicate. The diets were formulated to contain 3000 Kcal/kg ME and crude protein of 23% (Starter) and 20% (finishers). Variations in values obtained for haemoglobin (g/dl) (9.28, 9.69. 10.04 and 10.15) and Mean Cell Volume (MCV) (fl) (107.02, 109.38, 125.43 and 118.31) for birds fed diets 1, 2, 3 and 4., respectively were significantly (p<0.05) different while other haematological parameters measured in both phases were similar (p>0.05). The serum triglycerides (mg/dl)(23.19. 19.29, 23.93 and 19.01) and VLDL (mg/dl) (4.63, 3.85, 5.78 and 3.80) for the Starter birds fed diets 1, 2, 3 and 4, respectively were affected by dietary acidifier inclusion. The serum total proteins and Cholesterol also varied significantly for finishers birds. Generally, most serum indices measured declined in values at the finishers phase compared with corresponding values for Starter. All measured indices were within normal physiological ranges. This study revealed Biotronics SE as a suitable alternative growth promoter for the production of meat type chickens.
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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.