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Exp Appl Acarol. 2016 Dec;70(4):483-489. Epub 2016 Nov 4.

Efficacy of Tagetes minuta (Asteraceae) essential oil against Rhipicephalus sanguineus (Acari: Ixodidae) on infested dogs and in vitro.

Author information

1
Faculdade de Medicina Veterinária, Universidade Federal de Uberlândia, Uberlândia, MG, Brazil.
2
Laboratório de Biologia do Carrapato, Embrapa Gado de Corte, Universidade Federal de Mato Grosso do Sul, Campo Grande, MS, Brazil.
3
Laboratório de Ixodologia, Faculdade de Medicina Veterinária, Universidade Federal de Uberlândia, Uberlândia, MG, Brazil.
4
Laboratório de Biologia do Carrapato, Embrapa Gado de Corte/Bolsista DCR Fundect, Governo do Estado de Mato Grosso do Sul, Campo Grande, MS, Brazil.
5
Empresa Brasileira de Pesquisa Agropecuária, Embrapa Gado de Corte, Avenida Rádio Maia, 830, Campo Grande, MS, CEP 79106-550, Brazil. renato.andreotti@embrapa.br.

Abstract

Ticks from Rhipicephalus sanguineus complex are widely distributed in the world and one species from this complex is the most common tick on dogs in Brazil, notably in urban areas. This tick is a vector of several diseases. Among others it transmits the agent of canine Ehrlichiosis, a major dog infectious disease and the agent of Rocky Mountain spotted fever. This tick can spread rapidly and develop intolerable infestations within no time. Currently tick control is done with acaricides and demand for such drugs has grown fast. However, R. sanguineus has already developed resistance to the main active compounds and the development of new acaricides is necessary. Many essential oils of plants have acaricidal effect and may be an important source of molecules for the synthesis of new acaricide products. In this study, we evaluated the effectiveness of a new herbal phytotherapic, consisting of the essential oil of Tagetes minuta L., against R. sanguineus in vitro and on dogs undergoing experimental infestations. The product displayed 100% efficacy against larvae, nymphs and adults of the tick on all tested conditions.

KEYWORDS:

Control; Infestations; Phytoterapics; Rhipicephalus sanguineus; Tagetes minuta

PMID:
27815656
DOI:
10.1007/s10493-016-0092-8
[Indexed for MEDLINE]

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