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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1111/vcp.12799
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|a eng
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| 100 |
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|a Schwartz, Diana
|e verfasserin
|4 aut
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|a Morphologic and quantitative evaluation of bone marrow aspirates from Hispaniolan Amazon parrots (Amazona ventralis)
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|c 2019
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 02.06.2020
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|a Date Revised 02.06.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2019 American Society for Veterinary Clinical Pathology.
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|a BACKGROUND: Bone marrow aspirate assessments provide valuable information about hematopoietic status and hematologic disease. Hematopoietic cell differentials and morphologies have been anecdotally described in psittacines, but quantitative studies are lacking
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|a OBJECTIVES: We aimed to determine differential cell counts and calculate granulocyte:erythroid (G:E) ratios in bone marrow aspirates from Hispaniolan Amazon parrots and report representative morphologies of the hematopoietic cells
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|a METHODS: Bone marrow aspirates were collected from 32 clinically healthy, captive, parrots. Peripheral blood was obtained for CBCs. Bone marrow differential cell counts (%) were determined by counting 500 cells on modified Wright's-stained smears. G:E ratios were calculated. Representative images of hematopoietic cells at all stages of development were taken
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|a RESULTS: Of the 32 parrots sampled, 17 bone marrow samples were of sufficient cellularity and quality for evaluation. Erythroid cells comprised 68.9 ± 8.6% (total ± SD) of the hematopoietic cells and consisted primarily of early- and late-stage polychromatophilic rubricytes (43.6 ± 2.1% of total erythroid cells). Granulocytic cells comprised 28.1 ± 3.8% of the hematopoietic cells and consisted primarily of mature and band heterophils (11.9 ± 5.2% and 6.5 ± 3.4%, respectively, of total granulocytic cells). A unique morphologic finding in avian progranulocytes was the presence of multiple different granules. The G:E ratio was 0.4 ± 0.2 (median 0.4, range 0.1-0.9). Thrombocyte lineage cells could not be reliably identified and were not counted. CBC results were largely within expected limits
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|a CONCLUSIONS: The low G:E ratios observed could be normal in this species; however, these ratios could be affected by factors related to sampling and cell identification. These findings will be a valuable resource for the diagnostic evaluation of clinical bone marrow samples from Hispaniolan Amazon parrots and could serve as a general reference for psittacine bone marrow evaluation
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|a Journal Article
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|a avian
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|a erythropoiesis
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| 650 |
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4 |
|a granulopoiesis
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| 650 |
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4 |
|a hematology
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| 650 |
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4 |
|a hematopoiesis
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| 650 |
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4 |
|a morphology
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| 700 |
1 |
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|a Guzman, David Sanchez-Migallon
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Beaufrere, Hugues
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ammersbach, Melanie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Paul-Murphy, Joanne
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tully, Thomas N
|c Jr
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Christopher, Mary M
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Veterinary clinical pathology
|d 1975
|g 48(2019), 4 vom: 07. Dez., Seite 645-651
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|x 1939-165X
|7 nnas
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| 773 |
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|g volume:48
|g year:2019
|g number:4
|g day:07
|g month:12
|g pages:645-651
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|u http://dx.doi.org/10.1111/vcp.12799
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