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1 Advances in Science and Technology. Research Journal

1 2024

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Analysis of the Mechanical Properties of Femurs and Eggshells of Two Selected Japanese Quail Lines Under Quasi-Static and Impact Loading Conditions

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Skic A. , Kołodziej P. , Stropek Z. , Beer-Lech K. , Drabik K. , Skic K. , Branco R.

tom Vol. 18, no 7

437--446

This study presents the results of a dynamic two-point bending test and a quasi-static three-point bending test of the quail femurs. Bones from females and males of two genetic strains of Japanese quail belonging to various utility types were analyzed. Mechanical parameters obtained under impact and quasi-static loading conditions were investigated. The mechanical strength of eggshells under both loading conditions was also examined. The obtained results showed that the bones of males of both analyzed types of quails were characterized by statistically significant higher strength obtained under impact loading conditions compared to the bones of females. Moreover, the mechanical strength of the eggshell measured under impact loading conditions was characterized by higher values compared to the result obtained under quasi-static load conditions. The observed differences between quail genetic lines were not statistically significant. SEM–EDS qualitative elemental distribution analysis showed a higher content of calcium in the female femurs. The damage present on the fracture surface indicates that these bones were more brittle.