The hematology of captive Bobtail lizards (Tiliqua rugosa) : blood counts, light microscopy, cytochemistry, and ultrastructure

© 2016 American Society for Veterinary Clinical Pathology.

Bibliographische Detailangaben
Veröffentlicht in:Veterinary clinical pathology. - 1975. - 45(2016), 4 vom: 01. Dez., Seite 634-647
1. Verfasser: Moller, Cheryl A (VerfasserIn)
Weitere Verfasser: Gaál, Tibor, Mills, Jennifer N
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:Veterinary clinical pathology
Schlagworte:Journal Article Blood cells hemogregarine reptile vacuolated eosinophils
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245 1 4 |a The hematology of captive Bobtail lizards (Tiliqua rugosa)  |b blood counts, light microscopy, cytochemistry, and ultrastructure 
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500 |a Citation Status MEDLINE 
520 |a © 2016 American Society for Veterinary Clinical Pathology. 
520 |a INTRODUCTION: Bobtail lizards (Tiliqua rugosa) are native to Australia. The only previous study on the hematology of this species documented just 6 animals 
520 |a OBJECTIVES: The aims of this study were to characterize the light microscopy, ultrastructure and cytochemistry of blood cells, and evaluate CBCs of captive Bobtail lizards 
520 |a METHODS: Over 2 consecutive summers, heparinized venous blood was collected from the ventral coccygeal vein of 46 clinically healthy, captive indoor- or outdoor-housed adult Bobtails. Complete blood cell counts and smear evaluations were performed, and cytochemical stains and transmission electron microscopy were used to further characterize blood cells 
520 |a RESULTS: The eosinophils of this species were uniformly vacuolated: a unique feature not previously reported in reptiles. Heterophils were the predominant leukocyte, with fewer lymphocytes, azurophilic and nonazurophilic monocytes, occasional eosinophils, and basophils. Thrombocytes were frequently clumped. Slight polychromasia (0-15% of erythrocytes) was typically present. Hemogregarine parasites were seen on some smears. The range of CBC results was often wide. The PCV ranged from 11% to 38%. Total plasma proteins by refractometry were between 3.5 and 7.8 g/dL. Hemoglobin ranged between 2.6 and 12.6 g/dL by the modified hemoglobin-hydroxylamine method. Manual RBC count was 0.35-1.27 × 106 /μL, and WBC count was 2.86-22.66 × 103 /μL. Bobtail lizards housed outdoors had lower PCVs than indoor-housed animals. Bobtails with hemogregarine infections had lower PCVs than noninfected lizards 
520 |a CONCLUSIONS: Ranges for CBC data were often very wide, influenced by preanalytic and analytic factors. Hemogregarine infection is associated with a decreased PCV, suggesting that some hemogregarine species are pathogenic in this population 
650 4 |a Journal Article 
650 4 |a Blood cells 
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650 4 |a vacuolated eosinophils 
700 1 |a Gaál, Tibor  |e verfasserin  |4 aut 
700 1 |a Mills, Jennifer N  |e verfasserin  |4 aut 
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