Publication: Influence of the myotome zone and of the sex on the muscle cellularity and on the fillet texture of diploid and triploid turbots Scophthalmus maximus L.
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Date
2020-06-15
Authors
Ayala Florenciano, María Dolores ; Hernández Urcera, Jorge ; Santaella, Marina ; Martínez Graciá, María Carmen ; López Albors, Octavio ; Cal, Rosa
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Publisher
Faculty of Veterinary Medicine, Urmia University
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Description
© 2020 Urmia University. This manuscript version is made available under the CC-BY-NC 4.0 license http://creativecommons.org/licenses/by-nc/4.0/
This document is the Published Manuscript version of a Published Work that appeared in final form in Veterinary Research Forum. To access the final edited and published work see https://doi.org/10.30466/vrf.2018.94534.2278
Abstract
The muscle and textural parameters were analyzed in four myotome zones (epaxial upper,
hipoaxial upper, epaxial bottom, and hipoaxial bottom) in seven diploids (D) and seven triploids
(T) turbot specimens. Diploid specimens showed the highest values of the size and number of
white fibers in the epaxial zones, being such values higher in female than male specimens. In
triploid specimens, the highest fibers sizes were found in the upper zones (epaxial and
hipoaxial), whereas the lowest number and density of fibers were found in the epaxial upper
zone. In this latter group (T), the lowest fibers sizes were found in female specimens, whereas
the rest of the parameters were usually higher in female than male specimens. When comparing
both groups, the hypertrophy was higher in T than D in all zones. In both ploidy groups, the
highest textural values were usually observed in the upper epaxial fillet, being slightly higher in
female than male specimens. The values of standard length, total weight, gonad weight,
gonadosomatic index and gutted weight were higher in female than male specimens in both
groups (D and T).
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