ORIGINAL PAPER
Egg specific gravity in improvement of hatchability
in laying hens
| 1 | University of Life Sciences in Lublin, Chair for Biological Bases of Animal Production,
Akademicka 13, 20-950 Lublin, Poland |
| 2 | Institute of Genetics and Animal Breeding, Polish Academy of Sciences,
Jastrzębiec, 05-552 Wólka Kosowska, Poland |
CORRESPONDING AUTHOR
I. Rozempolska-Rucińska
University of Life Sciences in Lublin, Chair for Biological Bases of Animal Production, Akademicka 13, 20-950 Lublin, Poland
University of Life Sciences in Lublin, Chair for Biological Bases of Animal Production, Akademicka 13, 20-950 Lublin, Poland
Publication date: 2011-03-12
J. Anim. Feed Sci. 2011;20(1):84–92
KEYWORDS
ABSTRACT
The aim of the study was to assess the suitability of egg specific gravity (ESG) as an
accompanying trait in estimation of the birds’ breeding value for hatchability. The study involved 3
generations of performance recorded laying hens Rhode Island White (RIW) and Rhode Island Red
(RIR). The breeding merit for number of chicks hatched from eggs laid (NCH) was estimated with
three different model variants which differed with regard to the information accounted for: 1. all the
standard information plus post factum hatchability record and ESG, 2. no post factum hatchability
data on the last generation but ESG present, and 3. no hatchability data on last generation nor
ESG. In both lines a high positive correlation between the egg specific gravity and hatchability was
observed (0.47 to 0.66). In RIR, when ESG was included in the left-hand-side, a significantly higher
concordance of birds’ NCH breeding value ranking between 2. and 1. than between 3. and 1. were
observed.
CITATIONS (4):
1.
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2.
Eggshell Qualities as Indicative of Eggshell Strength for Layer Selection
L Kibala, I Rozempolska-Rucinska, K Kasperek, G Zieba, M Lukaszewicz
Revista Brasileira de Ciência Avícola
L Kibala, I Rozempolska-Rucinska, K Kasperek, G Zieba, M Lukaszewicz
Revista Brasileira de Ciência Avícola
3.
A 2-D imaging-assisted geometrical transformation method for non-destructive evaluation of the volume and surface area of avian eggs
Valeriy Narushin, Gang Lu, James Cugley, Michael Romanov, Darren Griffin
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Food Control
4.
Yemleme Zamanı ve Kafes Yoğunluğunun Yumurta Tavuklarında Performans Üzerine Etkisi
Oğuzhan KAHRAMAN, Tahir BALEVİ, Süleyman DERE, Varol KURTOĞLU, Esad POLAT, Mustafa ÇAM, Huzur ARIK
Erciyes Üniversitesi Veteriner Fakültesi Dergisi
Oğuzhan KAHRAMAN, Tahir BALEVİ, Süleyman DERE, Varol KURTOĞLU, Esad POLAT, Mustafa ÇAM, Huzur ARIK
Erciyes Üniversitesi Veteriner Fakültesi Dergisi
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