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Asian Journal of Animal and Veterinary Advances
  Year: 2016 | Volume: 11 | Issue: 10 | Page No.: 643-649
DOI: 10.3923/ajava.2016.643.649
 
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An Evaluation of Selection Data of Barred Rock-1 and Rhode Island Red-1 Pure Line Laying Hens at the Poultry Research Institute of Ankara

Huseyin Goger

Abstract:
Background and Objective: In Turkey, study on egg-laying hens has been performed by Republic of Turkey, Ministry of Food, Agriculture and Livestock, Poultry Research Institute which was established in 1930. Many genetic selection projects have been successfully completed at the Institute. The project mentioned in this study has been conducted since 1995 with six brown and five white layer pure lines. The aim of this study was to evaluate the selection data of two brown egg shell layer pure lines between the years 2005 and 2014. Methodology: Data on age and body weight at first egg, egg number and egg weight upto 43 weeks age were collected from 12,904 Barred Rock-1 and 11,821 Rhode Island Red-1 pure lines for 10 years. Data were analyzed by Multiple Trait Derivative Free Restricted Maximum Likelihood. Results: Estimated heritabilities were 0.46 and 0.40 for age at first egg, 0.49 and 0.43 for body weight at first egg, 0.36 and 0.33 for egg number, 0.55 and 0.50 for egg weight in Barred Rock-1 and Rhode Island Red-1 lines, respectively. Genetic correlations were 0.45 and -0.33 between age at first egg and body weight at first egg, 0.22 and -0.35 between age at first egg and egg number, -0.34 and -0.23 between age at first egg and egg weight, -0.49 and -0.38 between body weight at first egg and egg number, 0.17 and 0.26 between body weight at first egg and egg weight, -0.15 and -0.23 between egg number and egg weight in BAR-1 and RIR-1 lines, respectively. Means of 43 weeks egg production traits between two lines were statistically significant (p≤0.05). Conclusion: As a result of implementing the selection while, egg number was increasing, age at first egg and body weight at first egg were decreasing and egg weight was remaining almost at the same level.
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How to cite this article:

Huseyin Goger , 2016. An Evaluation of Selection Data of Barred Rock-1 and Rhode Island Red-1 Pure Line Laying Hens at the Poultry Research Institute of Ankara. Asian Journal of Animal and Veterinary Advances, 11: 643-649.

DOI: 10.3923/ajava.2016.643.649

URL: https://scialert.net/abstract/?doi=ajava.2016.643.649

COMMENTS
13 December, 2016
Huseyin goger:
I think this assessment will be useful for future studies.
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