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Relationship between hatchability and non-destructive physical measurements of chicken eggs

Narushin, Valeriy G., Bogatyr, V P, Romanov, Michael N (2016) Relationship between hatchability and non-destructive physical measurements of chicken eggs. The Journal of Agricultural Science, 154 (2). pp. 359-365. ISSN 0021-8596. E-ISSN 1469-5146. (doi:10.1017/S0021859615001045) (Access to this publication is currently restricted. You may be able to access a copy if URLs are provided) (KAR id:54052)

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The current study was aimed at exploring the relationship between egg physical parameters that can be evaluated before incubation without egg breakage and hatchability of chick embryos. Eggs from laying hens of the White Leghorn (WL), Rhode Island White (RIW) and Rhode Island Red (RIR) lines were examined using a ranking system for analysing influence of egg parameters on hatchability. Specifically, eggs were subdivided into three groups whose non-destructive measurement values were: (i) within the mean ± standard deviation (?), (ii) < mean minus ? and (iii) > mean plus ?. As a result, the smaller WL and RIW eggs, where values of weight, volume, surface area, length and maximum breadth were < mean minus ?, appeared to be more successful at hatching than the bigger ones. Hatchability of the more ‘round-shaped’ WL and RIW eggs, whose shape index was 0·76?0·80, tended to be higher. Effect of egg-specific gravity on hatchability varied in different layer strains, and genetic background seemed to be an essential factor determining relationship between hatchability and other egg characteristics. The RIW eggs of larger weight with a relatively small surface area appeared to have decreased hatchability, supposedly due to insufficient gas exchange of embryos.

Item Type: Article
DOI/Identification number: 10.1017/S0021859615001045
Uncontrolled keywords: Egg physical characteristics; hatchability
Subjects: Q Science > QH Natural history > QH324.2 Computational biology
Q Science > QH Natural history > QH426 Genetics
S Agriculture > SF Animal culture
Divisions: Divisions > Division of Natural Sciences > Biosciences
Signature Themes: Food Systems, Natural Resources and Environment
Depositing User: Mike Romanov
Date Deposited: 09 Feb 2016 10:00 UTC
Last Modified: 17 Aug 2022 12:20 UTC
Resource URI: (The current URI for this page, for reference purposes)
Narushin, Valeriy G.:
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