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Articles by J.A. Edache
Total Records ( 4 ) for J.A. Edache
  U. Musa , P.A. Abdu , I.I. Dafwang , J.U. Umoh , L. Sa`idu , U.M. Mera and J.A. Edache
  A study on seroprevalence, seasonal occurrence and clinical manifestation of Newcastle Disease Virus (ND) among rural household chickens and Live Birds Markets (LBM) was conducted using haemagglutination Inhibition Test (HI) and questionnaires. A total of 1, 208 chickens reared under extensive management system in four Local Government Areas (LGAs) of Plateau State were used for the study. The seroprevalence of ND virus antibodies in rural chickens showed that there was no statistically significant (p > 0.05) difference among the four LGAs and of the 1,208 sera tested, 51.9% had detectable antibodies to NDV but only 14.1% of the chickens had HI antibody titre of > 4log2 which was considered as protective. About 86.2% of the chickens sampled were at risk of suffering from clinical ND. Newcastle disease outbreaks occurred year round in the villages sampled with the highest incidence of 86.6% observed from November to March (Dry season) and September to October, 8.31% (Pre-dry season). During outbreaks of ND, infected birds exhibit the following major clinical signs; nervous signs (32.4%), weakness (16.6%), whitish/greenish diarrhea (16.2%), coughing/sneezing 13.6%, anorexia 9.39% and others 11.8%. It was concluded that the prevalence of ND in the four LGAs of Plateau State is high. At the time of the study over 80% of rural chickens in Plateau State were at risk of dying from ND when exposed to a virulent NDV. It is therefore recommended that vaccination and improved management practices as a means of prevention against ND before the period of outbreaks should be instituted.
  A.G. Yisa , J.A. Edache , A.D. Udokainyang and C.N. Iloama
  A four-week study was conducted to investigate the effect of partially or completely withdrawing fish meal from broiler finisher diets on growth performance and carcass yield. In a completely randomized design, ninety six (96) four-week-old Marshall Breed of broilers were allotted to four dietary treatments having 0, 50, 75 and 100% of their fishmeal content withdrawn. Each dietary treatment had 24 birds with 3 replicates of 8 birds. Results show that initial weights, final weights, average daily feed intake, average daily weight gain, feed conversion ratio and feed cost per kilogram gain were not negatively affected (P>0.05) by levels of fish meal withdrawal. Dressing percentages were also not significantly different (P>0.05) between treatment means. However, the percent carcass cut-up parts of breast, wings, thighs and drumsticks to live weight of birds fed diets with fish meal totally withdrawn were significantly less (P<0.05) than those of birds fed diets containing fish meal. From this study, it can be concluded that withdrawing fish meal from broiler finisher diets may not have any adverse effect on their growth performance provided protein is obtained from non-animal sources. However, total withdrawal of fish meal negatively affects optimum development of the cut-up parts and as such 0.5-1% fish meal may be included in broiler finisher diets for full development of carcass components.
  A.G. Yisa , B. Yakubu , J.A. Edache , M.N. Danjuma and H.I. Deme
  A five week study was conducted to determine the effect of graded levels of toasted pigeon pea on growth performance and carcass characteristics of Japanese quail chicks. In a completely randomized design, three hundred unsexed, seven day old Japanese quails used for the study were divided into four groups of seventy five birds each. Each group was divided into three replicates of twenty five birds. Four isonitrogenous (24%CP) diets incorporating graded levels (0, 10, 20 and 30%) of toasted pigeon pea were evaluated. Average daily feed intake (18.62, 19.68, 19.58 and 20.29 g), Feed conversion ratio (4.87, 5.13, 5.36 and 5.38) and feed cost (Naira) per bird (38.34, 40.86, 41.46 and 43.57) increased (p<0.05) with increasing levels of dietary toasted pigeon pea inclusion. However, average daily weight gain (3.82, 3.83, 3.65 and 3.77 g) and dressing percentages (59.53, 61.91, 58.89 and 61.92) and percentage of breast to live weight were statistically similar (p>0.05) for all the treatments respectively. The back, wings, thighs and drumsticks were affected (p<0.05) by levels of toasted pigeon pea inclusion. By this study, pigeon pea may be included in diets of Japanese quails by not more than 10% for optimum growth and cost effective feeding.
  J.A. Edache , A.G. Yisa and E.J. Okpala
  A 6-week feeding trail was conducted to determine the effect of varying levels of yam peel meal (CP; 8.07% and ME; 2701 kcal/kg) on the laying performance of Japanese quails. One hundred and fifty 4 - week old female quails divided into 4 groups having 3 replicates of 12 birds each were used in this study. Four isonitrogenous (20% CP) diets incorporating graded levels (0, 10, 20 and 30%) of yam peel meal were compounded. The diets, however, varied in energy levels having 2,626 (Diet A), 2,553 (Diet B), 2,480 Diet C and 2,406 kcalME/kg (Diet D) respectively. Each diet was replicated three times. Average daily feed intake (34.77, 31.13, 31.50 and 33.23 g/bird) and hen-day production (30.06, 22.17, 18.81 and 16.19%) were significantly (p<0.05) affected by the test diets. However, respective daily weight gains (10.23, 8.93, 10.40, 7.83 g/bird), feed conversion ratio (7.96, 7.78, 6.90, 8.07) and egg weights (7.0, 8.8, 8.67 and 7.47 g) were not significantly (p>0.05) affected. As the level of yam peel meal increased in the diet, hen-day egg production was dropping. Feed cost/kg diet (N) decreased from diet A (41.24), B (38.02), C (34.52) to 31.02 (diet D) which had a cost saving of 25% over the control diet. By this study, it is indicated that at dietary crude protein level of 20% and Metabolizable Energy of between 2,480 and 2,626 kcal/kg, 20% level of yam peel meal inclusion in Japanese quail diet is acceptable for satisfactory egg production.
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