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Articles by B.U. Ekenyem
Total Records ( 6 ) for B.U. Ekenyem
  F.N. Madubuike and B.U. Ekenyem
  A 49-day feeding trial involving 240 one-week old Anak broiler chicks was carried out to study the haematology and serum biochemistry of broilers fed varying dietary inclusion levels of Ipomoea asarifolia leaf meal. The birds were grouped into four dietary treatments of 0%, 5%, 10% and 15% levels of Ipomoea asarifolia leaf meal (IALM), which were further replicated 4 times in a completely randomized design. Feed and water supply were offered to birds ad libitum while standard management practices were meticulously adopted. At the 8th week of age, 16 birds were randomly selected (4 per treatment), bled 9.00am - 10.00am from punctured vein to aspirate 7mls of blood from each bird for haematology and serum assay. Results of the haematology parameters showed significant differences (P< 0.05) between treatments, indicating that IALM influenced the values of the parameters. However, packed cell volume (PCV) and Eosinophil did not significantly differ (P>0.05) between their treatments. This shows that the IALM influenced the serum chemistry of Anak broilers as their values reduced with increasing levels of IALM.
  B.U. Ekenyem and C.P. Onyeagoro
  One hundred and sixty 4-week old broiler chicks were used in a 28-day feeding trial in a completely randomized design, to evaluate the performance of finisher broiler chicks fed varying replacement values of Bambaranut sievate (BNS) Voandzeia subterranea for soyabean meal (SBM) Glycin max. The four dietary treatments were further replicated four times. Treatments having 0%, 5%, 10% and 15% BNS replaced corresponding weights of SBM in the diets. Feed and potable water were supplied ad libitum while vaccination and medication were appropriately applied. The initial weight, final weight, weight gain, feed intake, feed conversion ratio, feed cost per kg gain were measured. Results show that birds on 0% and 5% BNS with weights 1.85kg and 1.83kg respectively were significantly (P< 0.05) heavier than those on 10% and 15% BNS weighing 1.68kg and 1.65kg respectively. This trend was also observed for weight gain where birds on 0% and 5% BNS were superior (P< 0.05) to those on 10% and 15% levels respectively. However, the initial weight and feed intake were not statistically different (P>0.05), feed conversion ratio and feed cost/kg gain were significantly (P< 0.05) different between their various treatment means. BNS was found to appreciably reduce cost of broiler chick production and could be included up to 15% in chicks diets.
  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
  Thirty-two large white X Hamshire hybrid weaner pigs aged 7 weeks with average initial weights of 18kg were used in an 10 weeks feeding trial to study the performance of pigs fed varying levels of Ipomoea asarifolia leaf meal. The 32 weaner pigs were split into 4 groups and assigned to the dietary treatments containing 0%, 5%, 10% and 15% Ipomoea asarifolia leaf meal (IALM) respectively and further replicated four times in a completely randomized design. Feeding and potable water were supplied ad libitum while routine medication and sanitation were scrupulously observed. Live weights were measured at the start of the experiment but weekly thereafter. The initial weights daily weight gain, daily feed intake, feed conversion ratio, feed cost per pig were calculated. Final body weights 41.25kg, 40.00kg, 34.75 and 32.00kg for pigs on treatments 0%, 5%, 10% and 15% IALM respectively differed significantly (P<0.05) between treatments. Weights of pigs on diets 0% and 5% IALM did not significantly differ (P>0.05). Feed conversion ratio for pigs on diet 0% and 5% IALM were significantly superior (P<0.05) to those on 10% and 15%. Daily feed intake and feed cost per pig reduced with increasing amount of IALM in the diets and differences between treatment in each parameter were significant (P<0.050. it was found that IALM could be included in weaner pig diets up to 15% level without deleterious effect but optimally of 10% level.
  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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