ArticleParasites & vectors2022
Seasonal fluctuations of Babesia bigemina and Rhipicephalus microplus in Brangus and Nellore cattle reared in the Cerrado biome, Brazil.
Article in Parasites & vectors, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 13 citations in OpenAlex.
- Epidemiology and predilection-site distribution of tick infestation in communal cattle systems of Limpopo Province, South Africa.BMC veterinary research · 2026Article
- Tick-borne pathogens in meat sheep from Brazil: first report of Theileria ovis in sheep in latin America.Parasitology research · 2026Article
- Comparative Diagnostic Efficacy of Microscopy, LAMP and PCR for Detection of Bovine Babesiosis in New Valley Governorate, Egypt.Acta parasitologica · 2026Article
- Epidemiological Spectrum of Bovine Tick-Borne Pathogens in Northeast Brazil: Comparative Analysis Across a Tropical Humid and Two Semi-Arid Regions.Pathogens (Basel, Switzerland) · 2025Article
- Mitochondrial and Nuclear DNA Analyses ofGenes · 2025Article
- Molecular detection of vector-borne agents in water buffaloes (Bubalus bubalis) and associated ectoparasites from Brazil.Tropical animal health and production · 2025Article
- Babesia bigemina and Theileria annulata infections in cattle: molecular detection, phylogenetic analysis, and assessment of risk factors.Tropical animal health and production · 2024Article
- Enzootic stability of tick fever in Holstein calves grazing in a tropical region, subjected to strategic cattle tick control with fluralaner.Parasites & vectors · 2024Article
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Authors and funding
9 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe tick Rhipicephalus microplus (Ixodida: Ixodidae, Canestrini, 1888) causes substantial economic and health losses in cattle production and is the main vector of Babesia bigemina (Piroplasmidae: Babesidae, Smith & Kilborne, 1893). Babesia bigemina is responsible for a tick-borne disease known as babesiosis that can cause hemolytic anemia, fever and death. In the study reported here, we investigated the relationship between the number of ticks per animal and the number of B. bigemina cytochrome b gene (cbisg) copies in the blood of Brangus and Nellore cattle reared without acaricidal treatment in the Brazilian Cerrado biome over a 1-year period.
methodsTicks on 19 animals (9 Brangus and 10 Nellore cattle) were counted every 18 days, and blood was collected every 36 days for 12 months. Serological samples were analyzed with an indirect enzyme-linked immunosorbent assay, and genomic DNA was analyzed by conventional PCR and quantitative PCR. The PCR products were sequenced by the Sanger method.
resultsThe Brangus and Nellore breeds showed similar weight development and no clinical signs of babesiosis. Statistically significant differences (P < 0.05) between the breeds were observed for the number of ticks and the number of B. bigemina cbisg gene copies.
conclusionsNo correlation between the number of ticks and the number of circulating copies of cbisg was observed, although Nellore cattle presented with fewer ticks than Brangus cattle and the number of cbisg copies was higher for Nellore cattle than for Brangus cattle.
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