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April 10, 2026Anatomia Histologia Embryologia

Longitudinal Thoracic Growth and Emerging Sexual Dimorphism in Dromedary Camel Calves

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Authors

DRDjallal Eddine RahmounMMMohamed Kamal Merai Abdel MaksoudHMHebatAllah H. Mahmoud

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Overview

Longitudinal analysis shows emerging sexual dimorphism in thoracic growth in dromedary camel calves, indicating developmental differences.

Key Points

  • This research aims to investigate thoracic growth and identify sex-related differences in dromedary camel calves during their first year.
  • Examined 120 clinically healthy dromedary camel calves (60 males, 60 females) shortly after birth.
  • Measured thoracic dimensions (circumference, depth, width) at multiple time points (birth, 1, 3, 6, 9, and 12 months).
  • Analyzed growth data using linear mixed-effects models to identify significant changes over time.
  • Thoracic dimensions increased significantly with age; circumference grew from 72.1 cm at birth to 140.6 cm at 12 months.
  • Significant interactions between age and sex were noted for body weight and thoracic circumference.
  • Males exhibited greater transverse thoracic expansion after 6 months, indicating sexual dimorphism.
  • A progressive increase in the thoracic index was observed, suggesting more growth in width than depth.

Cite This Study

Rahmoun et al. (2026) studied this question.

synapsesocial.com/papers/69d896a46c1944d70ce0827fhttps://doi.org/10.1111/ahe.70107
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