Comparative Morphometry of the Skull of Hair Goat (Capra aegagrus hircus) using Different Measurement Methods: a Methodological Study
Abstract
Morphometry is the branch of science that deals with the problems that arise in terms of shape by using various methods. In this sense, different measurement methods are used. The traditional morphometry technique that has been going on for years is based on measurements with digital callipers. With technological developments, three-dimensional (3D) modelling from images obtained with imaging systems has increased, which gives morphometric results closer to reality in irregular structures. For 3D modelling, images obtained from imaging systems such as CT and MRI are modelled using different software and morphometric data are obtained. In addition to these imaging systems, 3D models can also be created from images obtained with a tool called photogrammetry. The aim of this study is to determine the craniometric data of Hair goats by using different measurement methods. For this purpose, a total of 14 Hair goat skulls, 7 female and 7 male, were used. From each skull, 38 parameters were measured with the specified measurement methods (digital calliper, modelling with photogrammetry and modelling with 3D-slicer programme). Seven index calculations and statistical analyses were performed. As a result of the analyses, a statistical difference was determined between the techniques in 16 parameters in male goats, while the difference was observed in 13 parameters in female goats. In addition, facial index 1 and orbital index values in male goats differed between the methods, while differences were observed in facial index 1, basal index and palatal index values in female goats (p<0.05). As a result of the study, it was thought that the use of images and 3D models obtained from bones scanned with different methods should be a priority in osteometric measurements, especially since the results of measurements made in a digital environment provide closer results to reality. Since the skull bones used in the study consist of irregular bones, it is thought that differences may be observed, but statistical differences between the methods should not be ignored.
Keywords
References
- Slice DE. Geometric morphometrics. Annu Rev Anthropol, 36: 261-281, 2007. https://doi.org/10.1016/j.jchb.2010.01.048.
- Rohlf, FJ, Marcus LF. A revolution in morphometrics. Trends Ecol Evol, 8(4):129-132, 1993. https://doi.org/10.1016/0169-5347(93)90024-J.
- Velemínská J, Krajíček V, Dupej J, Goméz-Valdés JA, Velemínský P, Šefčáková A, Pelikán J, SánchezMejorada G, Brůžek, J. Technical Note: Geometric Morphometrics and Sexual Dimorphism of the Greater Sciatic Notch in Adults From Two Skeletal Collections: The Accuracy and Reliability of Sex Classification. Am J Phys Anthropol, 152(4): 435-571. 2013. https://doi.org/10.1002/ajpa.22373.
- İşbilir F, Güzel, BC. Morphometric analysis of the mandible of ram and ewe romanov sheep (Ovis aries) with 3D modelling: A CT study. Anat histol embryol, 52(5):742–751, 2023. https://doi.org/10.1111/ahe.12932.
- Dayan MO, Demircioglu I, Koçyigit A, Güzel BC, Karaavci FA. Morphometric analysis of the skull of Hamdani sheep via threedimensional modelling. Anat Histol Embryol, 52(2):215–222, 2022. https://doi.org/10.1111/ahe.12873.
- Güzel BC, Işbilir F. Prenatal (Second Trimester and Third Trimester) and Postnatal (Third and Fourth Week After Birth) Developmental Radiological Investigation of Sheep Skulls. Anat Histol Embryol, 53(5), e13105, 2024. https://doi.org/10.1111/ahe.13105
- Güzel B C, & Işbilir F. Sexual Dimorphism of Foetal Sheep Skulls During the Second and Third Periods of Pregnancy. Vet med sci, 11(2), e70265, 2025. https://doi.org/10.1002/vms3.70265
- Meise K, Mueller B, Zein B, Trillmich F. Applicability of single-camera photogrametry to determine body dimensions of pinnipeds: Galapagos sea lions as an example. Plos One, 9:1-7, 2014.
Details
Primary Language
English
Subjects
Veterinary Sciences (Other)
Journal Section
Research Article
Authors
Publication Date
July 29, 2025
Submission Date
February 7, 2025
Acceptance Date
June 30, 2025
Published in Issue
Year 2025 Volume: 44 Number: 1
APA
Aslan Kanmaz, Y., & Atli, M. Z. (2025). Comparative Morphometry of the Skull of Hair Goat (Capra aegagrus hircus) using Different Measurement Methods: a Methodological Study. Journal of Research in Veterinary Medicine, 44(1), 49-58. https://doi.org/10.30782/jrvm.1634988
AMA
1.Aslan Kanmaz Y, Atli MZ. Comparative Morphometry of the Skull of Hair Goat (Capra aegagrus hircus) using Different Measurement Methods: a Methodological Study. J Res Vet Med. 2025;44(1):49-58. doi:10.30782/jrvm.1634988
Chicago
Aslan Kanmaz, Yeşim, and Muhammed Zahid Atli. 2025. “Comparative Morphometry of the Skull of Hair Goat (Capra Aegagrus Hircus) Using Different Measurement Methods: A Methodological Study”. Journal of Research in Veterinary Medicine 44 (1): 49-58. https://doi.org/10.30782/jrvm.1634988.
EndNote
Aslan Kanmaz Y, Atli MZ (July 1, 2025) Comparative Morphometry of the Skull of Hair Goat (Capra aegagrus hircus) using Different Measurement Methods: a Methodological Study. Journal of Research in Veterinary Medicine 44 1 49–58.
IEEE
[1]Y. Aslan Kanmaz and M. Z. Atli, “Comparative Morphometry of the Skull of Hair Goat (Capra aegagrus hircus) using Different Measurement Methods: a Methodological Study”, J Res Vet Med, vol. 44, no. 1, pp. 49–58, July 2025, doi: 10.30782/jrvm.1634988.
ISNAD
Aslan Kanmaz, Yeşim - Atli, Muhammed Zahid. “Comparative Morphometry of the Skull of Hair Goat (Capra Aegagrus Hircus) Using Different Measurement Methods: A Methodological Study”. Journal of Research in Veterinary Medicine 44/1 (July 1, 2025): 49-58. https://doi.org/10.30782/jrvm.1634988.
JAMA
1.Aslan Kanmaz Y, Atli MZ. Comparative Morphometry of the Skull of Hair Goat (Capra aegagrus hircus) using Different Measurement Methods: a Methodological Study. J Res Vet Med. 2025;44:49–58.
MLA
Aslan Kanmaz, Yeşim, and Muhammed Zahid Atli. “Comparative Morphometry of the Skull of Hair Goat (Capra Aegagrus Hircus) Using Different Measurement Methods: A Methodological Study”. Journal of Research in Veterinary Medicine, vol. 44, no. 1, July 2025, pp. 49-58, doi:10.30782/jrvm.1634988.
Vancouver
1.Yeşim Aslan Kanmaz, Muhammed Zahid Atli. Comparative Morphometry of the Skull of Hair Goat (Capra aegagrus hircus) using Different Measurement Methods: a Methodological Study. J Res Vet Med. 2025 Jul. 1;44(1):49-58. doi:10.30782/jrvm.1634988