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1 December 2016 Hematologic and Biochemical Values of Wild Red-Tailed Amazon Parrot (Amazona brasiliensis) Nestlings With Abnormal Clinical Examination in Rasa Island, Brazil
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Abstract

The red-tailed Amazon parrot (Amazona brasiliensis) is an endangered psittacine species, but little information is available about abnormal clinical findings and hematologic and biochemical values of this species, which are important for monitoring the health of this population. To determine hematologic and biochemical values for wild red-tailed parrot nestlings exhibiting abnormal clinical findings, 31 nestlings from the Rasa Island (Paraná State, Southern Brazil) were physically restrained for clinical examination and blood sample collection. On physical examination, 26 birds had mild abnormalities and 5 had severe disorders. Parrots were divided into 5 groups according to the following clinical findings: presence of ectoparasites (group 1), respiratory disorders (group 2), chronic skin lesions caused by fly larvae (group 3), beak disorders (group 4), and severe clinical signs (group 5). Abnormal hematologic and biochemical findings in the nestlings were high total protein in group 3; low values for hemoglobin and mean corpuscular hemoglobin concentration in group 4; low glucose concentration, high mean absolute heterophil count, and high heterophil : lymphocyte ratio in group 5; high concentrations of total plasma protein in groups 3 and 4; and high globulin concentration in groups 3 and 5. In general, the population assessed was in good condition. These results provide a guide to the expected clinical findings associated with hematologic and biochemical concentrations in a population of free-living parrots with abnormal clinical examination findings. The data support the conservation planning and health monitoring of the endangered red-tailed Amazon parrot.

© 2017 by the Association of Avian Veterinarians
Frederico Fontanelli Vaz, Rosangela Locatelli-Dittrich, Olair Carlos Beltrame, Elenise Angelotti Bastos Sipinski, Maria Cecília Abbud, and Rafael Meirelles Sezerban "Hematologic and Biochemical Values of Wild Red-Tailed Amazon Parrot (Amazona brasiliensis) Nestlings With Abnormal Clinical Examination in Rasa Island, Brazil," Journal of Avian Medicine and Surgery 30(4), 350-356, (1 December 2016). https://doi.org/10.1647/2015-119
Published: 1 December 2016
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