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Mathematical progression of avian egg shape with associated area and volume determinations

Narushin, Valeriy G., Romanov, Michael N., Mishra, Birendra, Griffin, Darren K. (2022) Mathematical progression of avian egg shape with associated area and volume determinations. Annals of the New York Academy of Sciences, 1513 (1). pp. 65-78. ISSN 0077-8923. (doi:10.1111/nyas.14771) (KAR id:95513)

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Official URL:
https://doi.org/10.1111/nyas.14771

Abstract

Development of nondestructive techniques for estimating egg parameters requires a comprehensive approach based on mathematical theory. Basic properties used to solve theoretical and applied problems in this respect are volume (V) and surface area (S). There are respective formulae for calculating V and S of spherical, ellipsoidal, and ovoid eggs in classical egg geometry; however, the mathematical description and calculation of these parameters for pyriform eggs have remained elusive. In the present study, we derived the appropriate formulae and established that this would be not only applicable and valid for the category of pyriform eggs, but also universal and explicit for all other naturally occurring avian egg shapes. Thus, we have demonstrated “mathematical progression” of this natural object, considering the egg as a sequence of geometric figures that transform from one to another in the following sequence of shapes: sphere → ellipsoid → ovoid (whose profile corresponds to Hügelschäffer's model) → pyriform ovoid.

Item Type: Article
DOI/Identification number: 10.1111/nyas.14771
Uncontrolled keywords: egg shape geometry, egg volume, surface area, nondestructive measurement, mathematical progression
Subjects: Q Science > QA Mathematics (inc Computing science)
Q Science > QA Mathematics (inc Computing science) > QA440 Geometry
Q Science > QH Natural history > QH324.2 Computational biology
Q Science > QL Zoology
S Agriculture > SF Animal culture
Divisions: Divisions > Division of Natural Sciences > Centre for Interdisciplinary Studies of Reproduction
Divisions > Division of Natural Sciences > Biosciences
Depositing User: Mike Romanov
Date Deposited: 21 Jun 2022 10:42 UTC
Last Modified: 18 Nov 2022 04:34 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/95513 (The current URI for this page, for reference purposes)
Narushin, Valeriy G.: https://orcid.org/0000-0001-6799-6605
Romanov, Michael N.: https://orcid.org/0000-0003-3584-4644
Mishra, Birendra: https://orcid.org/0000-0002-8786-3700
Griffin, Darren K.: https://orcid.org/0000-0001-7595-3226
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