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Articles by E.C. Ndubuisi
Total Records ( 3 ) for E.C. Ndubuisi
  E.C. Ndubuisi , F.C. Iheukwumere and P.E. Etusim
  Five hundred and forty Lohmann hybrid point of lay birds aged 22 weeks were used to study the effect of periodic litter change on egg production and physical qualities. The birds were divided into 3 treatment groups consisting of 180 birds. Each treatment group was further replicated 3 times, made of 60 birds per replicate. Each treatment was allotted to three treatment periods of egg collection identified as T1 (morning 0700-1100 hrs). T2 (afternoon 1100-1400000 hrs) and T3 (evening 1400-1700 hrs) in a Completely Randomized Design (CRD). The birds were provided with water and feed ad-libitum. Litter was changed every 12 weeks and the experiment lasted for forty-eight weeks. The results of the climatic environmental conditions of the experimental site i.e. the ambient temperature, rectal temperature, relative humidity and wind velocity showed non significant difference (p>0.05) between T1 morning and T3 evening values but they differed significantly (p>0.05) from T2 afternoon values. The hen day egg production (61.15±0.87), hen housed egg production (59.04±0.91) and laying house mortality (4.69±0.43) for T1 morning were similar (p>0.05) to T3 evening hen day egg production (64.76±0.95), hen house egg production (61.41±0.73) and laying house mortality (3.91±0.42). Feed consumption, feed conversion and weight of the birds did not show any significant difference (p>0.05) between the treatment groups. The albumen weight, Haugh unit, egg length and width followed the same pattern as in the hen day egg production. The egg weight, yolk weight, shell weight and thickness in T1 morning, T2 afternoon and T3 evening did not differ (p>0.05) significantly between treatment groups. The pees-wees, cracked eggs and small-sized eggs were similar (p>0.05) in T1 morning and T3 evening period but significantly lower (p<0.05) than T2 afternoon values. The large sized and extra large eggs were similar in T1 and T3 but significantly (p<0.05) higher than T2 values. The results of this study show that litter change in a deep-litter system should be in the morning or evening must have finished egg laying for the day and when the ambient temperature must have fallen and is within the thermoneutrality zone between 12.8°C and 26°C.
  F.C. Iheukwumere , E.C. Ndubuisi , E.A. Mazi and M.U. Onyekwere
  A 25-day feeding trial involving 120, 5-week old Anak broilers was carried out in a completely randomized design to evaluate, growth, blood chemistry and carcass yield of broilers fed cassava leaf meal at dietary levels of 0, 5, 10 and 15% respectively. Feed intake, body weight gain, feed conversion ratio and the control (0%) leaf meal were superior (p<0.05) to the group on 10% and 15% leaf meal. The total serum protein albumin and haemoglobin at 0% and 5% leaf meal were superior to the values on 10% and 15% leaf meal; however, cholesterol, creatinine and urea showed no significant differences (p>0.05) between the treatment group. The cut parts of the carcass showed superior values (p<0.05) in the control treatment and they differed significantly (p<0.05) from broilers on 5, 10 and 15% leaf meal in carcass yield. It is suggested that 5% inclusion of cassava leaf meal could be used in broiler finisher without any deleterious effect on growth, blood chemistry and carcass yield of broilers.
  F.C. Iheukwumere , E.C. Ndubuisi , E.A. Mazi and M.U. Onyekwere
  A 35-day feeding trial involving 120, 5-week old Anak broilers was carried out in a completely randomized design to evaluate the performance, nutrient utilization and organ characteristics of broilers fed cassava leaf meal at dietary levels of 0, 5, 10 and 15% respectively. Feed intake, body weight gain, feed conversion ratio and organ weight of birds on the control (0%) and (5%) leaf meals were significantly superior (p<0.05) to the group on 10% and 15% leaf meal. The utilization of Dry Matter (DM), crude protein, ether extract and ash was significantly poorer at the 10 and 15% dietary levels. The organ weights (heart, liver, gizzard) were superior at 0 and 5% (p<0.05) groups to the groups on 10 and 15% inclusion levels of the leaf meal. It is suggested that 5% inclusion of cassava leaf meal could be used in broiler finisher diets without any deleterious effects.
 
 
 
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