Size and shape of the neurocranium of laying chicken breeds

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dc.authoridSzara, Tomasz/0000-0001-8555-6435
dc.authoridGuzel, Baris Can/0000-0002-2504-120X
dc.authoridDuro, Sokol/0000-0002-6075-7342
dc.authoridGundemir, Ozan/0000-0002-3637-8166
dc.authoridUnal, Burak/0009-0009-6747-8395
dc.authoridRuzhanova-Gospodinova, Iliana/0000-0002-5855-9996
dc.authoridNicoleta, Manuta/0000-0002-2537-2973
dc.contributor.authorGuzel, Baris Can
dc.contributor.authorManuta, Nicoleta
dc.contributor.authorUnal, Burak
dc.contributor.authorRuzhanova-Gospodinova, Iliana Stefanova
dc.contributor.authorDuro, Sokol
dc.contributor.authorGundemir, Ozan
dc.contributor.authorSzara, Tomasz
dc.date.accessioned2024-12-24T19:27:34Z
dc.date.available2024-12-24T19:27:34Z
dc.date.issued2024
dc.departmentSiirt Üniversitesi
dc.description.abstractThe neurocranium in birds provides valuable insights into their morphological diversity, including adaptations related to brain size, facial shaping, and environmental factors. This study analyzes the neurocranial shape characteristics and size of chickens with similar genetic backgrounds. By examining the neurocranial shape variation in chickens of the same age and sex, the study aims to understand the factors contributing to morphological diversity within this specific group. 3D geometric morphometrics was used to analyze 235 neurocrania from four chicken breeds. The analysis revealed significant differences in centroid size among the chicken breeds. The largest neurocranium centroid size was found in Sasso chickens., which were statistically separated from Atak-S. Additionally, centroid size effectively differentiates between Lohmann Brown and Lohmann Sandy chicken breeds. The most significant shape variation concerned the width of the rostral part of the frontal bone. However, according to the PC1 value, the shape variation was observed within rather than between groups. Lohmann Sandy chickens exhibited higher variability in neurocranial shape, suggesting greater shape diversity within this breed than others. As for shape analysis, the breeds showed closer similarity to each other. Lohmann Sandy chickens are characterized by positive PC1 value, with the rostral end of the frontal region inclined more ventrally, and a more extensive basioccipital region. Sasso chickens have a more dome-shaped middle part of the frontal region than other breeds. The study also identified the most significant shape variation among the study samples, observed at the rostral part of the frontal bone. These findings contribute to understanding the genetic and environmental influences shaping neurocranial morphology in chickens. Similar studies in different bird species and subspecies offer valuable insights into avian biology and adaptation.
dc.description.sponsorshipScience Develop- ment Fund of the Warsaw University of Life Sciences-SGGW
dc.description.sponsorshipThe publication was financed by the Science Develop- ment Fund of the Warsaw University of Life Sciences-SGGW.
dc.identifier.doi10.1016/j.psj.2024.104008
dc.identifier.issn0032-5791
dc.identifier.issn1525-3171
dc.identifier.issue9
dc.identifier.pmid39013297
dc.identifier.scopus2-s2.0-85198526069
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1016/j.psj.2024.104008
dc.identifier.urihttps://hdl.handle.net/20.500.12604/6706
dc.identifier.volume103
dc.identifier.wosWOS:001271920400001
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoen
dc.publisherElsevier
dc.relation.ispartofPoultry Science
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_20241222
dc.subjectavian anatomy
dc.subjectcranium
dc.subjectgeometric morphometric
dc.titleSize and shape of the neurocranium of laying chicken breeds
dc.typeArticle

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