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- Title
Serological evidence of Leptospira spp. infection in livestock from indigenous villages in the Caatinga biome, Brazil.
- Authors
Freire de Oliveira, Matheus Carvalho; Napoleão Santos, José Felipe; Lucena Alencar de Medeiros, Avana Maria; Castro, Vanessa; de Sousa Bezerra, Camila; José Alves, Clebert; Santos de Azevedo, Sérgio; Américo Batista Santos, Carolina de Sousa
- Abstract
Leptospirosis, a disease of significant economic impact on livestock and public health concern, may exhibit unique epidemiological characteristics in indigenous villages, particularly those located within semiarid climates such as the Caatinga biome in Brazil. This environment often presents conditions unfavorable for leptospire survival. This study conducted serological diagnoses of livestock in indigenous villages within the Caatinga biome, Northeastern Brazil. The survey was carried out in the Mãe Maria and Santa Helena indigenous villages, home to the Xukuru de Cimbres tribe, in the county of Pesqueira, Pernambuco State, Brazil, within the Caatinga biome. Blood samples were collected from cattle (n = 42), goats (n = 41), and sheep (n = 19). Out of the 102 samples tested, 73 (71.6%; 95% CI = 62.8% - 80.3%) were seroreactive (cut-off = 100). The seropositivity rates for cattle, goats, and sheep were 54.8%, 80.5%, and 89.5%, respectively. A statistically significant difference was observed in the proportion of seropositive animals between cattle and goats and cattle and sheep (P < 0.05). Icterohaemorrhagiae was identified as the most probable serogroup across all animal species. The study revealed that livestock in indigenous villages within the Caatinga biome are frequently exposed to leptospires. This finding underscores the importance of a One Health approach, emphasizing the need for comprehensive studies in areas where large human and animal populations coexist. Such studies are crucial for investigating zoonotic infections and for planning and implementing control measures against livestock-associated leptospirosis.
- Subjects
BRAZIL; LEPTOSPIRA; LIVESTOCK; ECONOMIC impact of disease; PUBLIC health; ANIMAL species; BIOMES; ANIMAL health; ANIMAL populations
- Publication
Ciência Rural, 2024, Vol 54, Issue 5, p1
- ISSN
0103-8478
- Publication type
Article
- DOI
10.1590/0103-8478cr20230191