Unilateral renal agenesis in greater rhea (Rhea americana Linnaeus, 1758) reared under human care in the potiguar semiarid, Brazil

Autores/as

  • Ana Caroline Freitas Caetano de Sousa Wild Animal Clinic and Surgery Residency, Universidade Federal Rural do Semi-Árido (UFERSA), Mossoró-RN, Brazil. Department of Animal Science, Laboratório de Morfofisiologia Animal Aplicada (LABMORFA), Universidade Federal Rural do Semi-Árido (UFERSA), Mossoró-RN, Brazil https://orcid.org/0000-0001-5883-9704
  • João Augusto Rodrigues Alves Diniz Department of Animal Science, Laboratório de Morfofisiologia Animal Aplicada (LABMORFA), Universidade Federal Rural do Semi-Árido (UFERSA), Mossoró-RN, Brazil. Postgraduate Program in Animal Science, Department of Animal Science, Universidade Federal Rural do Semi-Árido (UFERSA), Mossoró-RN, Brazil https://orcid.org/0000-0001-5329-9059
  • Igor Renno Guimarães Lopes Department of Animal Science, Laboratório de Morfofisiologia Animal Aplicada (LABMORFA), Universidade Federal Rural do Semi-Árido (UFERSA), Mossoró-RN, Brazil. Postgraduate Program in Animal Science, Department of Animal Science, Universidade Federal Rural do Semi-Árido (UFERSA), Mossoró-RN, Brazil https://orcid.org/0000-0003-1832-4647
  • Carlos Eduardo Vale Rebouças Department of Animal Science, Laboratório de Morfofisiologia Animal Aplicada (LABMORFA), Universidade Federal Rural do Semi-Árido (UFERSA), Mossoró-RN, Brazil. Postgraduate Program in Animal Science, Department of Animal Science, Universidade Federal Rural do Semi-Árido (UFERSA), Mossoró-RN, Brazil https://orcid.org/0000-0003-3600-556X
  • Jael Soares Batista Postgraduate Program in Animal Science, Department of Animal Science, Universidade Federal Rural do Semi-Árido (UFERSA), Mossoró-RN, Brazil https://orcid.org/0000-0001-9663-7468
  • Juliana Fortes Vilarinho Braga Department of Veterinary Clinic and Surgery, Universidade Federal do Piauí (UFPI), Bom Jesus-PI, Brazil https://orcid.org/0000-0001-5907-3798
  • Moacir Franco de Oliveira Department of Animal Science, Laboratório de Morfofisiologia Animal Aplicada (LABMORFA), Universidade Federal Rural do Semi-Árido (UFERSA), Mossoró-RN, Brazil. Postgraduate Program in Animal Science, Department of Animal Science, Universidade Federal Rural do Semi-Árido (UFERSA), Mossoró-RN, Brazil https://orcid.org/0000-0002-6269-0823

DOI:

https://doi.org/10.26605/medvet-v18n4-6394

Palabras clave:

congenital changes, ratite, urinary system

Resumen

Considered the largest wild bird in South America, the Greater Rhea is a ratite endowed with great zootechnical value and scientific importance. Understanding the pathologies that may affect these animals is necessary since they are kept in captivity. Thus, seeking effective measures to prevent diseases in livestock is important. The present report aims to describe the first diagnosis of unilateral renal agenesis in Greater Rhea. A male Greater Rhea (Rhea americana) approximately five years old, was euthanized, aiming at the anatomical characterization of the structures that make up the lumbosacral region. Analysis of the coelomic cavity showed the absence of the left kidney and an increase in the volume of the left ureter. The right kidney had normal topography and anatomical structures. Fragments of the right kidney and left ureter were collected, fixed in formaldehyde, and submitted to the inclusion process to obtain histological slides stained by hematoxylin and eosin. The microscopic findings showed no compensatory changes even without the contralateral kidney. The left ureter did not present preserved histological organization. The mucosa was thin due to a large amount of mucoid content in the lumen. In conclusion, unilateral renal agenesis in Greater Rhea is compatible with life. The contralateral kidney is fully functional and can meet the body's demands. In addition, it is important to conduct anatomopathological studies in Greater Rheas under captivity, aiming to expand the understanding of the aspects involved in maintaining this species and the pathologies that affect them.

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Publicado

2024-12-18

Cómo citar

Sousa, A. C. F. C. de, Diniz, J. A. R. A., Lopes, I. R. G., Rebouças, C. E. V., Batista, J. S., Braga, J. F. V., & Oliveira, M. F. de. (2024). Unilateral renal agenesis in greater rhea (Rhea americana Linnaeus, 1758) reared under human care in the potiguar semiarid, Brazil. Medicina Veterinária, 18(4), 275–279. https://doi.org/10.26605/medvet-v18n4-6394

Número

Sección

Animais Selvagens

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