[HTML][HTML] Laying performance, genetic parameters, and the expression of FSHβ, LHβ, FSHR, and LHR genes in Japanese quails selected for early egg production

EA Manaa, MM El-Attrouny, EL Amal, GM Albadrani… - Poultry Science, 2024 - Elsevier
Investigating the impact of early egg production selection (the first 90 d of laying) on egg
production features, cumulative selection response (CSR), and the mRNA expression of …

[PDF][PDF] Heritability of egg production in laying hens under cumulative, multitrait and repeated measurement animal models

A Wolc, M Lisowski… - Czech Journal of Animal …, 2007 - agriculturejournals.cz
Six generations of three layer lines (13 770 recorded individuals of A22 line, 13 950 of A88,
9 351 of K66) were used to estimate genetic effects on egg production under cumulative …

[PDF][PDF] Genetic evaluation of laying traits in Iranian indigenous hens using univariate and bivariate animal models

A Jafarnejad, MA Kamali, SJ Fatemi… - Journal of Animal and …, 2017 - thejaps.org.pk
The present study was carried out with the aim to estimate genetic parameters as well as
evaluating genetic improvement in Iranian native chickens to assess the effectiveness of …

[HTML][HTML] Genetic analysis of partial egg production records in Japanese quail using random regression models

G Abou Khadiga, BYF Mahmoud, GS Farahat… - Poultry Science, 2017 - Elsevier
The main objectives of this study were to detect the most appropriate random regression
model (RRM) to fit the data of monthly egg production in 2 lines (selected and control) of …

Genetic evaluation of laying hens under fixed regression animal models

A Wolc, M Lisowski… - Archives Animal …, 2007 - aab.copernicus.org
Monthly egg production in laying hens was studied under fixed regression models. The data
of 37071 birds from three strains under long term selection were analysed. The covariates …

[PDF][PDF] Estimates of repeatability and heritability of egg number in Sasso hens in a tropical environment

A Yakubu, IB Dodo, HS Abdulkadiri, OA Oluremi - J Genet Genom, 2017 - researchgate.net
The aim of this study was to derive variance components, and hence, estimate repeatability
and heritability of weekly egg production in Sasso hens. The birds, each with an …

[PDF][PDF] 鸡产蛋数遗传力的Meta 分析

郭军, 曲亮, 窦套存, 王星果, 胡玉萍, 王克华 - 广东农业科学, 2020 - researchgate.net
鸡产蛋数遗传力的Meta 分析 Page 1 收稿日期:2020-02-07 基金项目:江苏省公益类科研院所
自主科研经费(BM2018026);江苏现代农业产业技术体系建设项目(JATS [2019]378);国家现代 …

[PDF][PDF] Pendugaan heritabilitas rill (realized heritability) dan kemajuan genetik produksi telur itik mojosari

IMU Abrianto, L Hakim… - J. Ilmu-Ilmu …, 2017 - scholar.archive.org
This study aims to estimate the value of genetic parameters of realized heritability and to
estimate the value of genetic progress in 10 Mojosari duck lines selected for 4 generations …

[HTML][HTML] Evaluation of selection criteria in laying quail (Coturnix coturnix japonica)

TE Stivanin, FC Maia, E Migliorini, S Kluska… - Livestock Res. Rural …, 2019 - lrrd.cipav.org.co
The primary aim of the commercial exploration of quail in Brazil is to increase egg
production. The characteristics of the genetic groups used are not well known, making it …

[HTML][HTML] Seleção para a produção de ovos em períodos parciais e acumulados em linhagem de frango de corte comercial

VAR Cruz, AV Pires, FM Gonçalves… - Arquivo Brasileiro de …, 2016 - SciELO Brasil
Objetivou-se com este estudo estimar parâmetros genéticos para produções parciais e
acumuladas de ovos em uma linha fêmea de frangos de corte comercial. Foram …