What question did this study set out to answer?

To assess the prevalence, regional distribution, co-infection dynamics, and risk factors associated with cattle tick fever pathogens across distinct climatic regions.

December 22, 2025PathogensOpen Access

Epidemiological Spectrum of Bovine Tick-Borne Pathogens in Northeast Brazil: Comparative Analysis Across a Tropical Humid and Two Semi-Arid Regions

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Authors

FÁFelipe Boniedj Ventura ÁlvaresUniversidade Estadual da Paraíba JSJordania Oliveira SilvaInstituto Federal de Educação Ciência e Tecnologia da Paraíba BNBasílio Felizardo Lima NetoUniversidade Federal de Campina Grande

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Implication

Cross-sectional study reveals high cattle tick fever prevalence in livestock herds, highlighting management practices and biting flies as major infection drivers.

Key Points

To assess the prevalence, regional distribution, co-infection dynamics, and risk factors associated with cattle tick fever pathogens across distinct climatic regions.
Conducted a cross-sectional epidemiological survey across 60 farms involving blood collection from N=336 cattle.
Identified Anaplasma marginale, Babesia bovis, and Babesia bigemina using conventional PCR and nested-PCR assays.
Employed producer questionnaires and multivariate logistic regression to evaluate environmental and herd management risk factors.
Overall pathogen prevalence was 82.7% (278/336), with the highest infection rate observed in the tropical humid zone at 94.8% (109/115), compared to 88.1% (89/101) and 66.6% (80/120) in semi-arid zones.
Dual infections occurred in 23.2% (78/336) of cattle, primarily involving A. marginale and B. bigemina, while triple infections were detected in 15.8% (53/336).
Significant risk factors included horn flies (OR = 7.23; 95% CI, 3.05–18.86), needle reuse (OR = 5.8; 95% CI, 2.62–13.90), lack of quarantine (OR = 5.4; 95% CI, 2.17–14.93), and pasture sharing (OR = 3.21; 95% CI, 1.08–11.25), whereas beef herds showed reduced risk (OR = 0.28; 95% CI, 0.15–0.52).

Cite This Study

Álvares et al. (2025) studied this question.

synapsesocial.com/papers/6aabd42ec12b6ee7d716eabc https://doi.org/10.3390/pathogens15010015

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Implication

Cross-sectional study reveals high cattle tick fever prevalence in livestock herds, highlighting management practices and biting flies as major infection drivers.

Epidemiological Spectrum of Bovine Tick-Borne Pathogens in Northeast Brazil: Comparative Analysis Across a Tropical Humid and Two Semi-Arid Regions

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Cite This Study

Epidemiological Spectrum of Bovine Tick-Borne Pathogens in Northeast Brazil: Comparative Analysis Across a Tropical Humid and Two Semi-Arid Regions

Discussion

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Implication

Key Points

Cite This Study

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