Article historyThe present study aims to report a transfusion therapy in a juvenile Myrmecophaga tridactyla. The patient had a chronic nonregenerative anemia associated with underdevelopment. This therapy was considered after a severe worsening of the clinical condition and laboratorial tests, in which severe anemia was confirmed, with no signs of recovery. The blood used was donated by a clinically healthy adult male of the same species, raised in captivity. The procedure was performed according to medical practice for small animals, since veterinary medicine reports described for xenarthrans are scarce. The result was satisfactory, with absence of late transfusion reactions and an improvement of the patient's overall condition, which demonstrates the possibility of using blood transfusion in anteaters as a therapeutic option.
O estudo do comportamento de animais sob cuidados humanos, elucitam respostas que auxiliam na conservação de espécies em meios naturais. A análise do comportamento reprodutivo é capaz de promover os melhores métodos para reprodução, condicionamento e posterior soltura da prole na tentativa de retomada do equilíbrio ambiental. O presente estudo foi realizado em criadouro científico para fins de conservação no Parque Vida Cerrado (Parque Fioravante Galvani), localizado na zona rural do município de Barreiras, estado da Bahia, Brasil. Observou-se uma fêmea de lobo-guará (Chrysocyon brachyurus) sub-adulta durante sete meses, entre os meses de agosto de 2019 e março de 2020, incluindo o início do período fértil, utilizando o método de sequence sampling para descrever os comportamentos observados, o qual baseia-se no registro de amostra focal, possibilitando a padronização dos métodos para elaboração de um repertório comportamental, também se fazendo importante para relatar comportamentos fortuitos, raros ou inesperados. Análises citológicas, como dados complementares, com autorização da responsável técnica, foram realizadas e totalizaram sete amostras. Os dados citológicos condizeram com os dados comportamentais de cada fase do ciclo estral, perimitindo inferir em qual fase do ciclo estral a fêmea aceita investida e cópula do macho, comprovadas por espermatozoides nos esfregaços citológicos. Os dados comportamentos emitidos em cada ciclo estral se resumem a sociabilidade da fêmea e tolerância sobre a permanência do macho em seu território, inferindo que o comportamento natural da espécie não foi alterado no criadouro.
Despite the large distribution of the Yellow-chevroned Parakeet in Cerrado biome, there are few studies on biological parameters in this species. The lack of information on free-living parakeets is a limiting factor for establishing data on the health and conservation status of these species. The aim of this study was to standardize hemogram and blood biochemistry values for specimens of Brotogeris chiriri. Blood samples were collected from 21 young, clinically healthy and free-living specimens from the Cerrado biome. The mean, median, standard deviation and intervals were calculated for the following hematological parameters: packed cell volume (PCV), red blood cells, hemoglobin, mean corpuscular volume (MCV), mean corpuscular hemoglobin concentration (MCHC), leukocytes, heterophils, eosinophils, lymphocytes, monocytes and thrombocytes; and blood biochemistry parameters: uric acid, aspartate aminotransferase, alanine aminotransferase, gamma-glutamyl transferase, alkaline phosphatase, total protein and albumin. Lower values of hemoglobin, MCV and MCHC when compared to the erythrogram interval of species belonging to the same genus and family, as well as a lymphocytic leukogram. The parameters related to blood biochemistry showed differences for alkaline phosphatase, presenting higher means values; and alanine aminotransferase, total protein and albumin, presenting lower means values when compared to other psittacids. This is a pioneer study to establish hematological and biochemical values for Brotogeris chiriri in the Cerrado biome. The importance of developing further studies to determine specific parameters for psittacid species is emphasized, with special regards to the effects of different stages of development, habitats and condition.
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