alexa Genetic improvement of egg production traits by direct and indirect selection of egg traits in Nigerian local chickens
ISSN: 2169-0111

Advancements in Genetic Engineering
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Research Article

Genetic improvement of egg production traits by direct and indirect selection of egg traits in Nigerian local chickens

Gwaza DS*, Dim NI and Momoh OM
Department of Animal Breeding and Physiology, University of Agriculture, Makurdi. Benue State, Nigeria
*Corresponding Author : Gwaza DS
Department of Animal Breeding and Physiology
University of Agriculture, Makurdi. Benue State, Nigeria
E-mail: [email protected]
Rec date: Feb 17, 2016; Acc date: Mar 16, 2016; Pub date: Mar 22, 2016
Citation: Gwaza DS, Dim NI, Momoh OM (2016) Genetic Improvement of Egg Production Traits by Direct and Indirect Selection of Egg Traits in Nigerian Local Chickens. Adv Genet Eng 5:148. doi:10.4172/2169-0111.1000148
Copyright: © 2016 Gwaza DS, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
 

Abstract

The study was carried out at Akpehe poultry farm, Makurdi.540 chicks produced from matings of 80 dams and 8 sires each of the Fulani and the Tiv local chickens ecotypes were used for the study. Sire, ecotype and dam had significant effect on age at first egg and body weight at first egg. Heritability estimates of age at first egg, body weight at first egg and egg weight due to sire variance component were high. There were significant positive genetic correlation between age at first egg, body weight at first egg and egg weight. Egg weight also had significant positive genetic correlation with egg length and egg diameter. Direct selection can be apply to age at first egg, body weight at first egg and egg weight in a multiple traits selection program to improve egg production traits. Indirect selection can also be apply to age at first egg and body weight at first egg in a multiple traits selection to exploit the correlated response to egg weight, egg diameter and egg length.

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