Venous blood gas analysis in green-billed toucan (Ramphastos dicolorus Linnaeus, 1766)

Authors

DOI:

https://doi.org/10.5433/1679-0359.2024v45n5p1479

Keywords:

Birds, Blood gas analysis, Ramphastos dicolorus, Venous blood, Wild, Green-billed toucan.

Abstract

The class Aves accounts for the largest number of visits to Wildlife Rescue Centers in Brazil, and complementary tests have played an important role in the monitoring and prognostic evaluation of avian patients. Blood gas analysis is a complementary test that allows the analysis of blood gases and can be used to obtain information on acid-base balance, monitor tissue perfusion and metabolism, pulmonary and renal system impairment, and prognostic evaluation of patients. Few studies have established blood gas parameters for birds, and there are no published studies for the species Ramphastos dicolorus. Therefore, this study aimed to establish venous blood gas parameters in a group of green-billed toucans (R. dicolorus) treated at the Wildlife Rehabilitation Center and Wildlife Rescue Center (NURFS/CETAS) of the Federal University of Pelotas (UFPel). The animals were physically restrained, and samples were collected by puncture of the right jugular vein. The processing was performed in automatic equipment, in which the potential of hydrogen (pH), partial pressure of oxygen (PO2), partial pressure of carbon dioxide (PCO2), bicarbonate (HCO3), base excess (BE), sodium (Na), chloride (Cl), ionized calcium (iCa), potassium (K), and anion gap (AG) were measured. All animals included in this study were considered healthy, the required blood collection was 0.5 ml for all animals, and the sample temperature was standardized at 40 °C. The obtained mean and standard deviation of the evaluated parameters were as follows: pH (7.5 ± 0.1), PO2 (45.4 ± 5.5), PCO2 (34.9 ± 6.5 mmHg), SatO2 (85.3 ± 5.8%), HCO3 (28.0 ± 2.3 mmol/L), TCO2 (29.1 ± 2.3), BE (5.0 ± 2.5 mmol/L), Na (147.9 ± 2.9 mmol/L), Cl (108.4 ± 3.3 mmol/L), iCa (1.2 ± 0.0 mmol/L), K (3.8 ± 0.6 mmol/L), and AG (15.3 ± 1.8 mmol/L). Thus, our study provides venous blood gas analysis data previously unknown for the species, with results that can be used as reference values in the clinical and prognostic routine of these birds.

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Author Biographies

Mayana Lima Sá, Universidade Federal de Pelotas

Master’s Student in the Graduate Program in Veterinary, Universidade Federal de Pelotas, UFPEL, Pelotas, RS, Brazil.

Ana Paula Morel, Universidade Federal de Pelotas

PhD Student in the Graduate Program in Veterinary, UFPEL, Pelotas, RS, Brazil.

Ana Raquel Mano Meinerz, Universidade Federal de Pelotas

Profa., Department of Veterinary Clinics, UFPEL, Pelotas, RS, Brazil.

Raqueli Teresinha França, Federal University of Pelotas

Profa., Department of Veterinary Clinics, UFPEL, Pelotas, RS, Brazil.

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Published

2024-09-16

How to Cite

Sá, M. L., Morel, A. P., Meinerz, A. R. M., & França, R. T. (2024). Venous blood gas analysis in green-billed toucan (Ramphastos dicolorus Linnaeus, 1766). Semina: Ciências Agrárias, 45(5), 1479–1488. https://doi.org/10.5433/1679-0359.2024v45n5p1479

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