Controle estratégico de Amblyomma cajennense (Fabricius, 1787) (acari: xodidae) em eqüinos, Minas Gerais, Brasil - Parte I

Cunha, Arildo Pinto da; Bello, Ana Cristina Passos de Paiva; Leite, Romário Cerqueira; Bastianetto, Eduardo; Ribeiro, A. C. C. L.; Freitas, Carolina Maria Vianna de; Oliveira, Paulo Roberto de

doi:10.1590/s1984-29612007000400008

Cited by 3 publications

(2 citation statements)

References 12 publications

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“…However, it is noteworthy that some horses that were treated only with pyrethroids were also infested with A. cajennense at different intensity levels. The tick infestation in the present study, even when chemical acaricide products were used, may be related to the absence of a strategic control program for A. cajennense, as recommended by Labruna et al (2004) and Cunha et al (2007). Likewise, other factors may be interfering with the efficiency of tick control, such as the concentration of acaricide emulsion and application method.…”

Section: Discussionmentioning

confidence: 74%

“…In Brazil, it is distributed throughout the national territory (LABRUNA et al, 2004;ESTRADA-PEÑA et al, 2004), although it is found mostly in the southeast (VIEIRA et al, 2002). This ectoparasite causes economic losses among livestock due to reduction of the animals' productivity (OLIVEIRA, 2004;CUNHA et al, 2007) and the high cost of using acaricides (PRATA et al, 1996). Because of this arthropod's low parasitic specificity, it may infest many species of wild and domestic animals, including humans (ARAGÃO; FONSECA, 1961;PAROLA;RAOULT, 2001), although horses are the preferred hosts (LABRUNA et al, 2002;LOPES et al, 1998).…”

Section: Introductionmentioning

confidence: 99%

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Amblyomma cajennense infestation on horses in two microregions of the state of Rio de Janeiro, Brazil

Pires

Santos

et al. 2013

Rev. Bras. Parasitol. Vet.

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The objective of this study was to evaluate factors associated with infestation by Amblyomma cajennense on horses in two microregions of the state of Rio de Janeiro. Horses on 62 farms in the municipalities of the Itaguaí and Serrana microregions were evaluated between January and May 2009. The animals were examined to determine the presence of ticks and infestation level. The animals' rearing and management were assessed on each farm property using an epidemiological questionnaire. Out of the 635 horses evaluated, 41.6% were infested with A. cajennense. It was observed that farms in low-altitude regions (OR=3.69; CI: 2.3-5.8), with unsatisfactory zootechnical and sanitary management (OR=5.92; CI: 3.8-9.2) and an extensive rearing system (OR=4.25; CI: 2.1-8.5) were factors associated with tick infestation (p < 0.05) and also with cases of high infestation on horses. Use of chemical acaricides on horses was also associated with infestation (p < 0.05); the owners described different therapeutic approaches with different treatment intervals. From the present study, low altitudes, unsatisfactory management, extensive rearing and inappropriate use of acaricide products were factors associated with occurrences of A. cajennense at different infestation levels on horses in these municipalities.Keywords: Ticks, associated factors, equines, infestation, Rio de Janeiro. ResumoO objetivo deste estudo foi avaliar os fatores associados à infestação por Amblyomma cajennense em equinos em duas microrregiões do estado do Rio de Janeiro. Equinos de 62 fazendas nos municípios das microrregiões de Itaguaí e Serrana foram avaliados entre janeiro e maio de 2009. Os animais foram inspecionados quanto à presença e ao nível de infestação destes carrapatos. As condições de criação e o manejo foram avaliados em cada propriedade, por um questionário epidemiológico. Dos 635 equinos avaliados, 41,6% apresentavam-se infestados por A. cajennense. Observou-se que as criações dos animais em regiões de baixas altitudes (OR=3,69, IC: 2,3-5,8), em propriedades com manejo zootécnico e sanitário insatisfatório (OR=5,92, IC: 3,(8)(9),2) e em sistema de criação extensivo (OR=4,25, IC: 2,1-8,5) foram fatores associados (p < 0,05) à infestação, sendo também relacionados à intensa infestação nos equinos. O uso de carrapaticida nos equinos também apresentou associação (p < 0,05) à infestação, sendo descritas pelos proprietários, diferentes condutas terapêuticas, em intervalos alternados de tratamento. Baixas altitudes, condição de manejo insatisfatória, criação extensiva e o uso inadequado dos produtos carrapaticidas são fatores associados à ocorrência de A. cajennense em diferentes níveis de infestação nos equinos dos municípios estudados.Palavras-chave: Carrapatos, fatores associados, equinos, infestação, Rio de Janeiro.

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Section: Discussionmentioning

confidence: 74%

Section: Introductionmentioning

confidence: 99%

Amblyomma cajennense infestation on horses in two microregions of the state of Rio de Janeiro, Brazil

Pires

Santos

et al. 2013

Rev. Bras. Parasitol. Vet.

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Molecular investigation of Babesia caballi in horses from the state of Rio de Janeiro, Brazil: Epidemiological aspects associated with the infection

Peckle

Pires

Santos

et al. 2022

Veterinary Parasitology: Regional Studies and Reports

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A review on the treatment and control of ectoparasite infestations in equids

Karasek

Butler

Baynes

et al. 2020

Vet Pharm & Therapeutics

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Ectoparasites infestations are a growing concern to horse owners and equine veterinarians alike. Ectoparasites cause significant health and welfare issues and can potentially can serve as vectors for a variety of pathogens. The prevalence of ectoparasites increases around the world, and especially in horses information on the successful prevention and treatment of ectoparasite infestations in scarce and in many instances anecdotal. This poses a challenge to the equine veterinarian and off‐label use of drugs can lead to detrimental effects in horses. In this review we describe the current available evidence for the prevention and treatment of ectoparasite infestations in horses. Only a very limited number of products is approved for the use in horses and fortunately many of the other products that are used in an off‐label manner appear to be safe in horses. Future research in this area should aim at providing PK/PD modelling data to assure appropriate and safe dose regimen to prevent and treat ectoparasite infestations in horses.

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Controle estratégico de Amblyomma cajennense (Fabricius, 1787) (acari: xodidae) em eqüinos, Minas Gerais, Brasil - Parte I

Cited by 3 publications

References 12 publications

Amblyomma cajennense infestation on horses in two microregions of the state of Rio de Janeiro, Brazil

Amblyomma cajennense infestation on horses in two microregions of the state of Rio de Janeiro, Brazil

Molecular investigation of Babesia caballi in horses from the state of Rio de Janeiro, Brazil: Epidemiological aspects associated with the infection

A review on the treatment and control of ectoparasite infestations in equids

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