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Tropical animal health and production2024; 56(8); 268; doi: 10.1007/s11250-024-04134-4

Significance of Anaplasma phagocytophilum, Babesia caballi, and Theileria equi as etiologic agents in horses with clinical manifestations from the metropolitan area of Rio De Janeiro, Brazil.

Abstract: Equine Piroplasmosis (EP) and Equine Granulocytic Anaplasmosis (EGA) are diseases that affect horses, transmitted by ixodid ticks, causing a nonspecific febrile syndrome. Equine Piroplasmosis is endemic in Brazil, and most horses are in enzootic stability. Serological and molecular studies carried out on horses in Brazil have shown the presence of Anaplasma phagocytophilum, however, the clinical relevance of this infection has not yet been established. The present study aims to evaluate the importance of Babesia caballi, Theileria equi, and A. phagocytophilum as etiological agents in horses with clinical manifestations suggestive of these diseases in the metropolitan mesoregion of Rio de Janeiro. A total of 45 animals with clinical signs were submitted to DNA extraction followed by qPCR test. Anaplasma phagocytophilum, Neorickettsia risticii and Theileria haneyi were not found in any of the horses with clinical signs, however 62.2% were infected with at least one agent of EP. Theileria equi was the most frequent etiologic agent (35.5%), followed by coinfection (15.5%) and B. caballi (11.2%). These results suggest that A. phagocytophilum has minor clinical importance in the region, while EP is frequently found in symptomatic horses, representing an important differential diagnosis in suspected cases.
Publication Date: 2024-09-21 PubMed ID: 39305438PubMed Central: 9169286DOI: 10.1007/s11250-024-04134-4Google Scholar: Lookup
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Cite This Article

APA
de Albuquerque CV, da Silva Andrade M, de Freitas MS, Paulino PG, Santos HA, de Tarso Landgraf Botteon P. (2024). Significance of Anaplasma phagocytophilum, Babesia caballi, and Theileria equi as etiologic agents in horses with clinical manifestations from the metropolitan area of Rio De Janeiro, Brazil. Trop Anim Health Prod, 56(8), 268. https://doi.org/10.1007/s11250-024-04134-4

Publication

ISSN: 1573-7438
NlmUniqueID: 1277355
Country: United States
Language: English
Volume: 56
Issue: 8
Pages: 268

Researcher Affiliations

de Albuquerque, Celina Vieira
  • Postgraduate Program in Veterinary Medicine, Federal Rural University of Rio de Janeiro (UFRRJ), Seropédica, Rio de Janeiro, Brazil. vieira.celina91@gmail.com.
da Silva Andrade, Mylena
  • Federal Rural University of Rio de Janeiro (UFRRJ), Undergraduate in Veterinary Medicine, Seropédica, Rio de Janeiro, Brazil.
de Freitas, Marina Sereno
  • Postgraduate Program in Veterinary Medicine, Federal Rural University of Rio de Janeiro (UFRRJ), Seropédica, Rio de Janeiro, Brazil.
Paulino, Patrícia Gonzaga
  • Department of Epidemiology and Public Health, Federal Rural University of Rio de Janeiro (UFRRJ), Seropédica, Rio de Janeiro, Brazil.
Santos, Huarrisson Azevedo
  • Department of Epidemiology and Public Health, Federal Rural University of Rio de Janeiro (UFRRJ), Seropédica, Rio de Janeiro, Brazil. huarrissonazevedo9@gmail.com.
de Tarso Landgraf Botteon, Paulo
  • Department of Veterinary Medicine and Surgery, Federal Rural University of Rio de Janeiro (UFRRJ), Seropédica, Rio de Janeiro, Brazil. paulobotteon@gmail.com.

MeSH Terms

  • Horses
  • Animals
  • Horse Diseases / parasitology
  • Horse Diseases / microbiology
  • Horse Diseases / epidemiology
  • Brazil / epidemiology
  • Theileria / isolation & purification
  • Babesia / isolation & purification
  • Anaplasma phagocytophilum / isolation & purification
  • Theileriasis / epidemiology
  • Theileriasis / parasitology
  • Babesiosis / epidemiology
  • Babesiosis / parasitology
  • Ehrlichiosis / veterinary
  • Ehrlichiosis / epidemiology
  • Ehrlichiosis / microbiology
  • Male
  • Female

Grant Funding

  • 001 / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
  • 313753/2021-0 / Conselho Nacional de Desenvolvimento Científico e Tecnológico
  • E_27/2021 / Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro
  • E-26/201.342/2021 / Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro

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