Occurrence of acaricide resistance in Rhipicephalus microplus in brazilian municipalities: an integrative review

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Abstract

The objective of this study was to conduct an integrative review on the resistance of the tick Rhipicephalus microplus to synthetic acaricides, surveying the Municipalities where collections for resistance testing were carried out. The search was conducted in the Virtual Library of Veterinary Medicine and Animal Science (BVS-Vet), Google Scholar, CAPES Journal Portal, Web of Science, Scopus, and PubMed databases, considering publications between 2004 and 2025. Forty-six studies that met the inclusion criteria were selected. The analysis revealed that most of the research was conducted in the states of Rio Grande do Sul (69 Municipalities), Minas Gerais (66), and Mato Grosso do Sul (40). In the other states, few or no records were observed. The number of states, Municipalities, and publications found for pyrethroids were 11, 249, and 35; organophosphates 11, 145, and 28; carbamates 1, 37, 3; formamidine 12, 178, 27; phenylpyrazole 8, 65, 12; macrocyclic lactones 8, 27, 16; and benzylurea 6, 15, 10, respectively. Considering that livestock farming is present in 4,939 Brazilian Municipalities, available data on resistance are still limited. These results reinforce the need to implement public policies aimed at developing and implementing a national plan to combat cattle ticks.
Keywords: laboratory tests of acaricides; ectoparasites; geolocation; epidemiology.

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References

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Published

2026-02-25

How to Cite

TEIXEIRA, Tarcísio Miguel; MILOCA, Léo Mathias; SAKANE, Kenny Tsuyoshi; RODRIGUES, Selma Alves; MARCHETTI, Pedro Henrique Lima; JUNIOR, Ranulfo Piau; RIBEIRO, Carlos Eduardo; GAZIM, Zilda Cristiani. Occurrence of acaricide resistance in Rhipicephalus microplus in brazilian municipalities: an integrative review. Brazilian Animal Science/ Ciência Animal Brasileira, Goiânia, v. 27, 2026. Disponível em: https://revistas.ufg.br/vet/article/view/81941. Acesso em: 28 feb. 2026.

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