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Morphology of rhinoceros platelets
L Du Plessis1, A J Botha, K Stevens
1Department of Haematology, University of Pretoria, South Africa. ldupless@medic.up.ac.za
Journal of Morphology
|March 19, 1999
Summary
Hematological data for rhinoceroses is scarce. This study reveals similar platelet counts but distinct platelet morphology and size between white and black rhinoceros species.
Area of Science:
- Veterinary Hematology
- Comparative Pathology
- Wildlife Biology
Background:
- Limited hematological data exists for rhinoceros species.
- Understanding blood cell morphology is crucial for wildlife health assessment.
Purpose of the Study:
- To determine and compare platelet counts and morphology in white (Ceratotherium simum) and black (Diceros bicornis) rhinoceros.
- To establish baseline hematological parameters for these endangered species.
Main Methods:
- Light and electron microscopy were utilized to examine platelet morphology.
- Platelet counts were determined for free-living individuals of both species.
Main Results:
- Platelet counts were comparable between white and black rhinoceros.
- Significant differences in platelet size and morphology were observed between the two species.
- Large, non-discoid platelet forms (proplatelets/stress platelets) were more prevalent in black rhinoceros than in white rhinoceros.
Conclusions:
- Distinct platelet characteristics exist between white and black rhinoceros species.
- The observed morphological differences may reflect physiological or health status variations.
- Further research into rhinoceros hematology can aid conservation and veterinary care.