Introduction: the current study was prepared to provide a complete anatomical and morphometric comparison description of the metatarsal bone in the zebu bull and Egyptian Baladi bull using the anatomical cross-section and computed tomography technique. Material and Methods: in all examined specimens of zebu and Baladi bull, two large metatarsal bones were identified, apparently fused, and presented common morphological features. In the metatarsal bones of the two species, a fusion of the proximal extremity with the shaft was apparent meanwhile the distal extremity was clearly separated from the shaft especially in the Baladi metatarsal bones. The obtained tomographic images provided an excellent modality for the skeletal and soft tissue architecture of the Egyptian Baladi and Zebu metatarsal bones. Results: in Baladi bull, the proximal osseus septum was represented by a short crest meanwhile it was relatively long in Zebu bull. In addition, the distal osseous septum is longer and more extensive in Zebu metatarsi than in those the Egyptian Baladi bull. In Zebu bull, the medullary cavity is incompletely divided by a vertical bony septum, which is interrupted at the middle third of the shaft. Morphometric data revealed significant variations among the dimensions of the metatarsal bones of the two examined bull species. Conclusions: except for the diameter of the distal extremity, all the recorded parameters were greater in Zebu metatarsi compared to those of the Egyptian Baladi bull.
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Sharaby et al. (2021) studied this question.
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