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| Registros recuperados : 86 | |
| 16. |  | SOARES, M. A.; MARCHIOR, L. C.; CASSINO, P. C. R. Variacao sazonal de Selenaspidus articulatus (Morgan, 1889) (Homoptera, Diaspididae) em Citrus reticulata Blanco, no Campus da UFRRJ Floresta e Ambiente, Rio de Janeiro, v.5, n.1, p.124-129, 1998.| Biblioteca(s): Embrapa Florestas. |
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| 20. | | LIMA, D. U. de; OLIVEIRA, L. E. M. de; SOARES, M. A.; DELU FILHO, N. Avaliação sazonal da produção de borracha e da dinâmica de carboidratos solúveis em plantas de seringueiras (Hevea brasiliensis Müll. Arg.) cultivadas em Lavras, Minas Gerais. Revista Árvore, Viçosa, v. 26, n. 3, p. 377-383, maio/jun. 2002.| Biblioteca(s): Embrapa Florestas. |
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Registro Completo
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Biblioteca(s): |
Embrapa Gado de Corte. |
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Data corrente: |
09/11/2011 |
|
Data da última atualização: |
23/10/2014 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
|
Circulação/Nível: |
B - 3 |
|
Autoria: |
ANDREOTTI, R.; GUERRERO, F. D.; SOARES, M. A.; BARROS, J. C.; MILLER, R. J.; PÉREZ DE LEÓN, A. |
|
Afiliação: |
RENATO ANDREOTTI E SILVA, CNPGC; Felix David Guerrero, USDA-ARS Knipling-Bushland US Livestock Insects Research Laboratory; Mariana Aparecida Soares, BOLSISTA; JACQUELINE CAVALCANTE BARROS, CNPGC; Robert John Miller, USDA-ARS Cattle Fever Tick Research Laboratory; Adalberto Pérez de Léon, USDA-ARS Knipling-Bushland US Livestock Insects Research Laboratory. |
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Título: |
Acaricide resistance of Rhipicephalus (Boophilus) microplus in State of Mato Grosso do Sul, Brazil. |
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Ano de publicação: |
2011 |
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Fonte/Imprenta: |
Revista Brasileira de Parasitologia Veterinária, Jaboticabal, v. 20, n. 2, p. 127-133, Apr.-Jun. 2011. |
|
Idioma: |
Português |
|
Conteúdo: |
This study was conducted to obtain an epidemiological view of acaricide resistance in populations of Rhipicephalus (Boophilus) microplus in the State of Mato Grosso do Sul. Twenty-four tick samples were collected from municipalities in the State where farmers had reported concerns about resistance to or failure of tick control. These ticks were subjected to in vitro resistance detection assays using the adult immersion test (AIT). The efficacy of alpha-cypermethrin, cypermethrin and amitraz treatments on samples collected throughout the State was generally poor. AIT showed efficacy ≥ 90% from the use of DDVP + chlorfenvinphos) (20 out of 21 municipalities), dichlorvos + cypermethrin (10 out of 16 municipalities) and cypermethrin + citronella + chlorpyrifos + piperonyl butoxide (20 out of 21 municipalities). PCR assays were used to detect the presence of pyrethroid resistance-associated sodium channel gene mutation. Larvae from three different populations that had previously been diagnosed as pyrethroid-resistant, through AIT, were evaluated. The PCR assays showed that the pyrethroid resistance-associated gene mutation was absent from these three populations. This study confirms that the emergence of resistance is a constant challenge for the livestock industry, and that development of resistance continues to be a major driver for new antiparasitic drugs to be developed. |
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Palavras-Chave: |
Rhipicephalus (Boophilus) microplus. |
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Thesagro: |
Bovino; Carrapato; Sanidade Animal. |
|
Categoria do assunto: |
H Saúde e Patologia |
|
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/45940/1/ACARICIDE-ANDREOTTI-REV-BRAS-PESQ-VET.pdf
|
|
Marc: |
LEADER 02138naa a2200229 a 4500
001 1905467
005 2014-10-23
008 2011 bl uuuu u00u1 u #d
100 1 $aANDREOTTI, R.
245 $aAcaricide resistance of Rhipicephalus (Boophilus) microplus in State of Mato Grosso do Sul, Brazil.$h[electronic resource]
260 $c2011
520 $aThis study was conducted to obtain an epidemiological view of acaricide resistance in populations of Rhipicephalus (Boophilus) microplus in the State of Mato Grosso do Sul. Twenty-four tick samples were collected from municipalities in the State where farmers had reported concerns about resistance to or failure of tick control. These ticks were subjected to in vitro resistance detection assays using the adult immersion test (AIT). The efficacy of alpha-cypermethrin, cypermethrin and amitraz treatments on samples collected throughout the State was generally poor. AIT showed efficacy ≥ 90% from the use of DDVP + chlorfenvinphos) (20 out of 21 municipalities), dichlorvos + cypermethrin (10 out of 16 municipalities) and cypermethrin + citronella + chlorpyrifos + piperonyl butoxide (20 out of 21 municipalities). PCR assays were used to detect the presence of pyrethroid resistance-associated sodium channel gene mutation. Larvae from three different populations that had previously been diagnosed as pyrethroid-resistant, through AIT, were evaluated. The PCR assays showed that the pyrethroid resistance-associated gene mutation was absent from these three populations. This study confirms that the emergence of resistance is a constant challenge for the livestock industry, and that development of resistance continues to be a major driver for new antiparasitic drugs to be developed.
650 $aBovino
650 $aCarrapato
650 $aSanidade Animal
653 $aRhipicephalus (Boophilus) microplus
700 1 $aGUERRERO, F. D.
700 1 $aSOARES, M. A.
700 1 $aBARROS, J. C.
700 1 $aMILLER, R. J.
700 1 $aPÉREZ DE LEÓN, A.
773 $tRevista Brasileira de Parasitologia Veterinária, Jaboticabal$gv. 20, n. 2, p. 127-133, Apr.-Jun. 2011.
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Embrapa Gado de Corte (CNPGC) |
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