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Articles by Wondmeneh Esatu
Total Records ( 3 ) for Wondmeneh Esatu
  Getachew Bekele , Gebeyehu Goshu , Aberra Melesse , Wondmeneh Esatu and Tadelle Dessie

Background and Objective: The first phase of characterization of indigenous chicken involves the identification of population based on morphological descriptors that can also provide useful information on the suitability of breeds for selection. The study was conducted to characterize on-farm phenotypic and morphological features of indigenous chicken population in selected districts of Gambella regional state, Ethiopia. Materials and Methods: Both purposive and random sampling techniques were used to collect the data and assessed through a semi-structured questionnaire survey. Data on visual appraisal and linear body measurements were obtained from a total of 600 matured local chickens of both sexes taken from 384 households. Linear body measurements were analyzed using the generalized linear model procedures. Results: The majority of the male chickens possessed red plumage color (30.5%) and most of chicken populations had single combs (80.84%), plain head shape (96.5%), yellow shanks color (85.34%) and feathered Shanks (1.67%). The male chickens were generally heavier (1.38 kg) than the female chickens (1.16 kg). The mean for body length, shank length, keel bone length, wingspan, wattle length, comb length and comb height of the cocks were 39.76, 10.19, 11.66, 65.77, 3.44, 5.28 and 2.15 cm, respectively. Conclusion: Variation in qualitative traits such as plumage color, feather distribution, comb type, earlobe color, shank feather, head shape and shank color indigenous chickens were evaluated in the study areas. The dominant plumage colour of the cocks was red followed by black and Gebsima (greyish with varying mixture) with other colors and in hens brown color followed by black and white.

  Berhanu Bekele , Aberra Melesse , Wondmeneh Esatu and Tadelle Dessie

Objective: This study was conducted to determine the relationship between live body weight and linear body measurements and to establish a model for predicting body weight using linear body parameters of the indigenous chickens of Ethiopia. Materials and Methods: A total of 520 adult chickens (130 males and 390 females) were randomized from three agro-ecologies (120 from lowland, 200 from midland and 200 from highland). Body parameters including beak length, body length, breast circumference, comb length, ear lobe length, shank circumference, shank length, wattle length and wingspan were measured using flexible measuring tape. Data were analyzed using SAS and SPSS. Results: Agro-ecology had significant effect (p<0.05) on body length, live body weight, breast circumference, shank circumference, shank length and wingspan. In indigenous chickens, the strong, positive and significant (p<0.05) correlation of body weight with breast circumference, body length and shank length indicate that, these variables could provide a good estimate in predicting body weight of chicken. Body length, chest circumference and shank length showed highest R2 (0.599, 0.517 and 0.382), respectively. This indicates that 59.9, 51.7 and 38.2% of body weight variation in indigenous chicken of Ethiopia depends on body length, breast circumference and shank length, respectively. Equivalently, linear measurements with highest R2 imply that they could be the best predictors of body weight of indigenous chickens in Ethiopia. Live body weight had significant (p<0.05) association with the linear body measurements; body length, chest circumference, shank length and wingspan to which the model has been subjected. Therefore, multiple linear regression model relating body weight and linear body measurements of Ethiopian indigenous chicken is Ŷ = -0.949+0.039BoL+0.037SL+0.026BC+0.006WS. Conclusion: Body length, shank length and breast circumference can be used to predict body weight of Ethiopian indigenous chicken compared to the other linear body measurements.

  Mekonnen Girma , Mahendra Pal , Tadelle Dessie , Wondmeneh Esatu , Wondu Mamo and Simenew Keskes
  A cross sectional study was conducted on 384 chicken raised under traditional management system in four villages of Bishoftu area using Haemagglutination Inhibition (HI) test for the detection of antibodies against Newcastle Disease (ND) virus in serum samples collected from chickens with no history of vaccination and apparently healthy during December 2011 to April 2012. An overall sero-positive rate of 23.4% was recorded in this study. The differences in sero-prevalence however, were not significant (p>0.05) among village, sex, age, flock size, feeding system, source of chicken and contact with wild birds. However, housing system had a significant difference (p<0.05) on sero-prevalence rate of the disease. The fact that most of the chicken originated from village had low HI titer (about 54.4%, ≤2 log2) warrant the need to systematic consideration for disease prevention strategy in the village chicken. Detailed further study on ND virus strain identification, a survey of major poultry diseases and improved management packages should be devised.
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