Results 21 to 30 of about 5,109 (183)
Journal of Agricultural Sciences, 2020 The aim of the study was to investigate eggshell traits; including eggshell water vapor conductance, eggshell thickness, pore density, egg weight loss as well as eggshell surface area and volume in 28 and 40 week-old broiler breeders.
Ümran Şahan +2 more
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Prediction of Eggshell Ultrastructure via Some Non-destructive and Destructive Measurements in Fayoumi Breed [PDF]
Asian-Australasian Journal of Animal Sciences, 2015 Possibilities of predicting eggshell ultrastructure from direct non-destructive and destructive measurements were examined using 120 Fayoumi eggs collected from the flock at 45 weeks of age.
Lamiaa M. Radwan +2 more
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Uterine Metabolomic Analysis for the Regulation of Eggshell Calcification in Chickens
Metabolites, 2021 Eggshell quality is economically important for table eggs and functionally indispensable for hatching eggs. During the formation of eggshell in the uterus, organic matrixes in uterine fluid can control and modify the formation of calcified eggshell.
Xiqiong Wang +4 more
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Correlates of eggshell thickness
Global Journal of Pure and Applied Sciences, 2010 Este estudio discutió los efectos de la edad y el genotipo de las aves y la ubicación de la granja en el grosor de la cáscara de huevo. El objetivo final del estudio es determinar los correlatos del grosor de la cáscara de huevo que pueden ser relevantes para mejorar el grosor de la cáscara de huevo.
Okereke, O.E, Nwogu, E.C
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Indian Journal of Animal Sciences, 2023 Minerals are used widely as feed additives in the diets of poultry to enhance bone and egg quality and productivity. Therefore, the current study aimed to evaluate the impact of strontium ranelate and cerium oxide addition in the diet on egg production ...
PAYAM SADQ SABIR, KAMARAN A ABBAS
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Global diversity and adaptations of avian eggshell thickness indices [PDF]
Ibis, 2022 The amniote eggshell is a fundamental aspect of the embryo life‐support system, protecting it from UV light, microbes and mechanical damage, while regulating gas exchange and providing calcium for growth. The thickness of eggshells is highly diverse across modern birds and influences multiple eggshell functions, yet the selective pressures driving ...
Attard, Marie R.G., Portugal, Steven J.
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BMC Genomics, 2021 Background Eggshell is a bio-ceramic material comprising columnar calcite (CaCO3) crystals and organic proteinaceous matrix. The size, shape and orientation of the CaCO3 crystals influence the microstructural properties of chicken eggshells. However, the
Quanlin Li +5 more
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Determination of hen eggshell stress by the puncture method [PDF]
Journal on Processing and Energy in Agriculture, 2021 The aim of this study was to design and apply the measuring acquisition system, or a device for determining the limit values of eggshell stress using the puncture method.
Koprivica Ranko +7 more
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Poultry Science, 2021 : This study was conducted to determine the effect of 25-hydroxyvitamin D (HDV) and essential oils (EO) on the uterus antioxidant capacity, egg quality, and eggshell ultrastructure in laying hens.
Pinyao Zhao +5 more
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Factors Influencing Thickness of Eggshell
Poultry Science, 1928 Abstract The original work described in this paper was done as part of a project of the Kentucky Agricultural Experiment Station. In producing and handling market eggs, strong shells are desirable. Much of the loss through breakage, both on the farm and in transportation, is due to weak shells.
LEWIS W. TAYLOR, J. HOLMES MARTIN
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