ORIGINAL PAPER
Bayesian estimates of genetic variance of fertility
and hatchability under a threshold animal model
1
August Cieszkowski Agricultural University of Poznań,
Department of Mathematical and Statistical Methods,
Wojska Polskiego 28, 60-637 Poznań, Poland
2
August Cieszkowski Agricultural University of Poznań,
Department of Genetics and Animal Breeding,
Wołyńska 33, 60-637 Poznań, Poland
Publication date: 2003-04-04
J. Anim. Feed Sci. 2003;12(2):307-314
KEYWORDS
ABSTRACT
The genetic variability of fertility and hatchability of laying hens were studied in four strains
under long-term selection for productive traits. Data were collected over nine generations. The total
number of individuals recorded per strain ranged from 2015 to 5386. The traits were analysed as binary characters under the threshold animal model using Gibbs sampling. The point estimates of heritability of fertility were relatively high and ranged from 0.38 to 0.46. The estimates for hatchability were lower and ranged from 0.22 to 0.24. All the strains showed positive genetic trends.
CITATIONS (5):
1.
Genetic and permanent environmental variability of twinning in Thoroughbred horses estimated via three threshold models
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2.
Genetic evaluation of reproductive potential in the Zatorska goose under a conservation program
Magdalena Graczyk, Krzysztof Andres, Ewa Kapkowska, Tomasz Szwaczkowski
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3.
Longitudinal multiple-trait versus cumulative single-trait analysis of male and female fertility and hatchability in chickens
R.L. Sapp, R. Rekaya, I. Misztal, T. Wing
Poultry Science
R.L. Sapp, R. Rekaya, I. Misztal, T. Wing
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4.
Entropy as a measure of dependency for categorized data
Ewa Skotarczak, Anita Dobek, Krzysztof Moliński
Biometrical Letters
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Biometrical Letters
5.
The algorithm of Bayesian estimation of maternal genetic and permanent maternal environmental variances in a two-trait binary threshold model
E. Skotarczak, M. Szyd, A. Dobek, K. Moli, T. Szwaczkowski
Czech Journal of Animal Science
E. Skotarczak, M. Szyd, A. Dobek, K. Moli, T. Szwaczkowski
Czech Journal of Animal Science
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| ISSN: | 1230-1388 |
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