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Hematological, morphological and morphometric characteristics of blood cells from rhea, Rhea Americana (Struthioniformes: Rheidae): a standard for Brazilian birds

Overview of attention for article published in Brazilian Journal of Biology, November 2015
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Title
Hematological, morphological and morphometric characteristics of blood cells from rhea, Rhea Americana (Struthioniformes: Rheidae): a standard for Brazilian birds
Published in
Brazilian Journal of Biology, November 2015
DOI 10.1590/1519-6984.03414
Pubmed ID
Authors

S. S. M. Gallo, N. B. Ederli, M. O. Bôa-Morte, F. C. R. Oliveira

Abstract

AbstractBlood exams are an indispensable tool in bird medicine. This study aimed at describing values and aspects of rheas' hematology, Rhea americana, as well as analyzing the morphology and morphometry of all blood cells. Fifty eight adult rheas of both sexes from two farms, one in Cachoeiro de Itapemirim, Espírito Santo State and the other in São Carlos, São Paulo State, were selected. Blood samples were taken and RBC count, PCV and Hb levels measured and used in hematimetric indexes calculations. The total and differentiated leukocyte counts, as well as the TPP and fibrinogen were determined. Erythrocytes, leukocytes and thrombocytes were identified and characterized morphologically. The values for the red series and hematimetric indexes were: RBC (2.81±0.15×106/μL), PCV (44.20±2.86%), Hb (12.12±0.74 g/dL), MCV (15.75±0.89 fL), MCH (43.18±1.82 pg), MCHC (27.44±0.80 g/dL); the values of white series were: WBC (12.072±4116/μL), heterophils (64.10±9.90%), eosinophils (2.05±2.06%), monocytes (6.40±2.99%), lymphocytes (26.93±9.62%), basophils (0.52±1.27%). One may conclude that on average, rheas' blood cells are larger than those of other birds, but these cells in smears cannot be differentiated only by their size. Besides rheas' leukocytes have different components and coloring as in other bird species, however, there are no components or staining aspects unique to the species.

Mendeley readers

The data shown below were compiled from readership statistics for 56 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 56 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 10 18%
Researcher 6 11%
Student > Doctoral Student 6 11%
Student > Ph. D. Student 4 7%
Student > Postgraduate 3 5%
Other 10 18%
Unknown 17 30%
Readers by discipline Count As %
Agricultural and Biological Sciences 17 30%
Veterinary Science and Veterinary Medicine 8 14%
Environmental Science 3 5%
Biochemistry, Genetics and Molecular Biology 3 5%
Chemistry 2 4%
Other 4 7%
Unknown 19 34%