In order to meet its chicken meat and egg demand for its growing population and produces export surpluses, Ethiopian poultry sub-sector should move away from the traditional scavenging family poultry system (TFP) to the improved semi-scavenging family poultry system (IFP) and increase the scale of specialized poultry. The Bovans brown (BB) genetics are one of familiar exotic breed in Ethiopia. A prospective cohort study was conducted to estimate their livability and evaluate body weight and age as predictors of livability. There is direct proportional trend in body weight increment with slight difference with the standard. Both sex groups showed excellent growth with percent uniformity of 96.7% for males and 95.3% for females. Overall, 161 chickens died with the total weekly chicken death rate ranged from 0.00% to 1.79% varying from 0.00% to 3.14% in males and from 0.00% to 1.57% in females. On the other hand the percentage of cumulative mortality was 9.91% (46/510) for male chicken and 2.94 (115/4020)% for female and 3.69% (161/4530) for all. The mean mortality of chicken was 4.24 per week being 2.42 for males and 6.05 for females. The loss of female chickens exceeded that of male chickens, CV of 2.38 for the former and 1.82 for the latter. Using regression analysis, the identified significant predictors of mortality were age in weeks (Coef. = -0.78; p = 0.011) and body weight in gram (Coef. =-0.0086; p = 0.006). As both parameters get increased, mortality of chicken on the contrary got reduced. The overall livability of bovans brown breeder chicks at the end of rearing period was 96.45% (90.98% for males and 97.14 for females). Bovans brown parent stock layer chicks demonstrated excellent performance and livability.
| Published in | American Journal of Bioscience and Bioengineering (Volume 9, Issue 2) |
| DOI | 10.11648/j.bio.20210902.11 |
| Page(s) | 33-39 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2021. Published by Science Publishing Group |
Body Weight, Bovans Brown, Chicken, Livability, Mortality
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APA Style
Berhanu Abera, Kasim Kediro, Mohamed Jafer, Shihun Shimelis, Abdulbari Ismael, et al. (2021). The Livability of Bovans Brown Parent Layers Raised in Commercial Breeder Farm, Ethiopia. American Journal of Bioscience and Bioengineering, 9(2), 33-39. https://doi.org/10.11648/j.bio.20210902.11
ACS Style
Berhanu Abera; Kasim Kediro; Mohamed Jafer; Shihun Shimelis; Abdulbari Ismael, et al. The Livability of Bovans Brown Parent Layers Raised in Commercial Breeder Farm, Ethiopia. Am. J. BioSci. Bioeng. 2021, 9(2), 33-39. doi: 10.11648/j.bio.20210902.11
AMA Style
Berhanu Abera, Kasim Kediro, Mohamed Jafer, Shihun Shimelis, Abdulbari Ismael, et al. The Livability of Bovans Brown Parent Layers Raised in Commercial Breeder Farm, Ethiopia. Am J BioSci Bioeng. 2021;9(2):33-39. doi: 10.11648/j.bio.20210902.11
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Download@article{10.11648/j.bio.20210902.11,
author = {Berhanu Abera and Kasim Kediro and Mohamed Jafer and Shihun Shimelis and Abdulbari Ismael and Dereje Alemu and Yehualashet Bayu},
title = {The Livability of Bovans Brown Parent Layers Raised in Commercial Breeder Farm, Ethiopia},
journal = {American Journal of Bioscience and Bioengineering},
volume = {9},
number = {2},
pages = {33-39},
doi = {10.11648/j.bio.20210902.11},
url = {https://doi.org/10.11648/j.bio.20210902.11},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.bio.20210902.11},
abstract = {In order to meet its chicken meat and egg demand for its growing population and produces export surpluses, Ethiopian poultry sub-sector should move away from the traditional scavenging family poultry system (TFP) to the improved semi-scavenging family poultry system (IFP) and increase the scale of specialized poultry. The Bovans brown (BB) genetics are one of familiar exotic breed in Ethiopia. A prospective cohort study was conducted to estimate their livability and evaluate body weight and age as predictors of livability. There is direct proportional trend in body weight increment with slight difference with the standard. Both sex groups showed excellent growth with percent uniformity of 96.7% for males and 95.3% for females. Overall, 161 chickens died with the total weekly chicken death rate ranged from 0.00% to 1.79% varying from 0.00% to 3.14% in males and from 0.00% to 1.57% in females. On the other hand the percentage of cumulative mortality was 9.91% (46/510) for male chicken and 2.94 (115/4020)% for female and 3.69% (161/4530) for all. The mean mortality of chicken was 4.24 per week being 2.42 for males and 6.05 for females. The loss of female chickens exceeded that of male chickens, CV of 2.38 for the former and 1.82 for the latter. Using regression analysis, the identified significant predictors of mortality were age in weeks (Coef. = -0.78; p = 0.011) and body weight in gram (Coef. =-0.0086; p = 0.006). As both parameters get increased, mortality of chicken on the contrary got reduced. The overall livability of bovans brown breeder chicks at the end of rearing period was 96.45% (90.98% for males and 97.14 for females). Bovans brown parent stock layer chicks demonstrated excellent performance and livability.},
year = {2021}
}
TY - JOUR T1 - The Livability of Bovans Brown Parent Layers Raised in Commercial Breeder Farm, Ethiopia AU - Berhanu Abera AU - Kasim Kediro AU - Mohamed Jafer AU - Shihun Shimelis AU - Abdulbari Ismael AU - Dereje Alemu AU - Yehualashet Bayu Y1 - 2021/04/23 PY - 2021 N1 - https://doi.org/10.11648/j.bio.20210902.11 DO - 10.11648/j.bio.20210902.11 T2 - American Journal of Bioscience and Bioengineering JF - American Journal of Bioscience and Bioengineering JO - American Journal of Bioscience and Bioengineering SP - 33 EP - 39 PB - Science Publishing Group SN - 2328-5893 UR - https://doi.org/10.11648/j.bio.20210902.11 AB - In order to meet its chicken meat and egg demand for its growing population and produces export surpluses, Ethiopian poultry sub-sector should move away from the traditional scavenging family poultry system (TFP) to the improved semi-scavenging family poultry system (IFP) and increase the scale of specialized poultry. The Bovans brown (BB) genetics are one of familiar exotic breed in Ethiopia. A prospective cohort study was conducted to estimate their livability and evaluate body weight and age as predictors of livability. There is direct proportional trend in body weight increment with slight difference with the standard. Both sex groups showed excellent growth with percent uniformity of 96.7% for males and 95.3% for females. Overall, 161 chickens died with the total weekly chicken death rate ranged from 0.00% to 1.79% varying from 0.00% to 3.14% in males and from 0.00% to 1.57% in females. On the other hand the percentage of cumulative mortality was 9.91% (46/510) for male chicken and 2.94 (115/4020)% for female and 3.69% (161/4530) for all. The mean mortality of chicken was 4.24 per week being 2.42 for males and 6.05 for females. The loss of female chickens exceeded that of male chickens, CV of 2.38 for the former and 1.82 for the latter. Using regression analysis, the identified significant predictors of mortality were age in weeks (Coef. = -0.78; p = 0.011) and body weight in gram (Coef. =-0.0086; p = 0.006). As both parameters get increased, mortality of chicken on the contrary got reduced. The overall livability of bovans brown breeder chicks at the end of rearing period was 96.45% (90.98% for males and 97.14 for females). Bovans brown parent stock layer chicks demonstrated excellent performance and livability. VL - 9 IS - 2 ER -
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