Disorders in blood circulation as a probable cause of death in dogs infected with Babesia canis

Zygner, Wojciech; Rodo, Anna; Gójska-Zygner, Olga; Górski, Paweł; Bartosik, Justyna; Kotomski, Grzegorz

doi:10.2478/jvetres-2021-0036

Abstract

Introduction

The purpose of the study was to investigate post-mortem changes in dogs infected with Babesia canis and to establish the probable cause of death of the affected animals.

Material and Methods

Cadavers of six dogs that did not survive babesiosis were collected. Necropsies were performed and samples of various organs were collected for histological examination.

Results

Necropsies and histological examinations revealed congestion and oedemata in various organs. Most of the dogs had ascites, hydrothorax or hydropericardium, pulmonary oedema, pulmonary, renal, hepatic, and cerebral congestion, and necrosis of cardiomyocytes.

Conclusion

These results suggested disorders in blood circulation as the most probable cause of death. However, the pulmonary inflammatory response and cerebral babesiosis observed in some of these dogs could also be considered possible causes of death. This study also showed a possible role for renal congestion in the development of renal hypoxia and azotaemia in canine babesiosis.

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