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Articles by F.N. Madubuike
Total Records ( 3 ) for F.N. Madubuike
  B.U. Ekenyem , F.N. Madubuike and O.F. Dike
  One hundred and sixty 4-week old Anak 2000 broiler chicks were used in a 28-day feeding trial to evaluate the effect of partial replacement of yam peel meal (YPM) for Maize Meal (MM) in the performance and carcass characteristics of finisher broiler chicks. Birds were grouped into four treatments and fed diets containing 0%, 5%, 10% and 15% YPM. The treatments were replicated four times in a completely randomized design. Feeding and potable water supply were ad libitum. Routine vaccination and medication and other standard management practices were strictly observed. Data collected were performance parameters such as initial weight, final weight, weight gain, feed intake, feed conversion ratio and feed cost per kg gain while carcass parameters such as dressed weight, breast weight, thigh weight, wings, shank and head were measured. Results show that birds fed 15% YPM 1737.50g were significantly (P< 0.05) heavier than others fed 0% YPM 1650.00g, 5% YPM 1637.50g and 10% YPM 1675.00g thus showing heavier weight with increasing levels of YPM in the diets. Similar trend was also observed in weight gain in which birds fed 15% YPM made significantly (P< 0.05) superior gain to birds on the rest diets. Cost of feed/kg gain significantly (P< 0.05) reduced with increasing levels of YPM. All carcass parameters show significant (P< 0.05) differences between treatments in favour of birds fed higher levels of YPM. Thus the inclusion of YPM in diets up to 15% improved the performance and carcass characteristics of the birds as well as significantly (P< 0.05) reduced the cost of feed/weight gain.
  B.U. Ekenyem and F.N. Madubuike
  Two hundred and forty one week old Anak broiler chicks were involved in a 49-day feeding trial in a completely randomized design to assess the effect of 0%, 5%, 10% and 15% inclusion levels of Ipomoea asarifolia leaf meal (IALM) in the performance, organ and carcass characteristics of broiler chicks. The birds were fed the experimental broiler diets for 28 days while they were fed the finisher diets for the remaining 21 days. Feeding and potable water supply were ad libitum while other standard management practices were meticulously observed. The initial weight, final weight, weight gain, feed intake, feed conversion ratio and feed cost per broiler were evaluated. The results show that the final live weight of birds on control diet 0% IALM (2.200kg) and 5% IALM (2.050kg) were significantly (P< 0.05) superior to birds on 10% IALM (1.775kg) and 15% IALM (1.600kg). Feed conversion ratio for the control 0% IALM was significantly superior (P< 0.05) to 10% and 15% IALM inclusions, while 0% and 5% levels were statistically similar (P>0.05). Daily feed intake in 0%, 5% and 10% levels were significantly higher (P< 0.05) than 15% level of IALM. Dressed weights for 0% and 5% levels were similar (P>0.05) but superior (P< 0.05) to 10% and 15% levels. Organ weights differed significantly (P< 0.05) between treatments, showing declining values with increasing levels of IALM. From the results of the experiment, the optimum inclusion level of IALM in broiler diets is between 5% and 10% levels. Further research is therefore necessary to improve the nutritive value of Ipomoea asarifolia leaves for livestock because of its abundance and cheapness for improved meat production.
  F.N. Madubuike , B.U. Ekenyem and T.K.O. Obih
  Thirty six weeks old (Large white X Landrace) hybrid weaner pigs (fifteen females and fifteen males) were used in a 12-week experiment to determine the cost effectiveness of substituting rubber seed cake for groundnut cake on the growth rate of weaner pigs. Graded levels of rubber seed cake (0%, 25%, 50%, 70% and 100%) replaced corresponding levels of groundnut cake in five Iso-Nitrogenous and Iso-caloric treatments (A, B, C, D and E) respectively which were further replicated three times in a completely randomized design. Feed and water were supplied ad libitum to the experimental pigs while medication (wormers) were administered to maintain good health. Feed intake was recorded everyday while body weight was taken every week in all the treatments. The average weight of pigs at eighteen (18) weeks were 40.30c, 41.70bc, 39.30c, 41.80b and 47.20a for treatments A, B, C, D, E respectively while the average feed cost (naira) per kilogram of pork gained were N86.95a, N77.47b, N84.04a, N68.00bc and N56.56c for treatments A, B, C, D, and E respectively. Results showed that treatment E had both significantly (P< 0.05) higher weight gain and lowest cost of production.
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