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| 1. |  | FERNÁNDEZ, M.C.; GIMÉNEZ, R.A.; COVATTA, F. Impacto del imidacloprid como insecticida, sobre los organismos del suelo en el cultivo de duraznero. ln: Congreso Nacional de Horticultura, 8.; Seminario Regional de Frutilla, 2001, Salto, Uruguay. Resúmenes. Montevideo (Uruguay): SUH; INIA, 2001. p. 82 "Sociedad Uruguaya de Horticultura; Instituto Nacional de Investigación Agropecuaria, Uruguay"| Biblioteca(s): INIA Las Brujas; INIA Salto Grande; INIA Tacuarembó; INIA Treinta y Tres. |
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Registro completo
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Biblioteca (s) : |
INIA Tacuarembó. |
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Fecha actual : |
22/04/2021 |
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Actualizado : |
09/06/2021 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Circulación / Nivel : |
Internacional - -- |
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Autor : |
MIRABALLES, C.; BARROS, A.T.M.; LUCAS, M.; KLAFKE, G.M.; DOMINGUES, L.N.; RIET-CORREA, F. |
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Afiliación : |
MÓNICA CECILIA MIRABALLES FERRER, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; ANTONIO THADEU M. BARROS, Embrapa Beef Cattle, Campo Grande, MS, Brazil.; MARTÍN LUCAS FONSECA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay.; GUILHERME M. KLAFKE, Centro de Pesquisa em Saúde Animal, Instituto de Pesquisas Veterinárias Desidério Finamor, Brazil.; LUÍSA N. DOMINGUES, USDA-ARS Knipling-Bushland U.S. Livestock Insects Research Laboratory, 2700 Fredericksburg Road, Kerrville, TX, USA 78028.; FRANKLIN RIET-CORREA AMARAL, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
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Título : |
Susceptibility of field populations of Haematobia irritans to fipronil in Uruguay. |
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Fecha de publicación : |
2021 |
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Fuente / Imprenta : |
Pesquisa Veterinaria Brasileira, 2021, Volume 41, Article number e06821. OPEN ACCESS. Doi: https://doi.org/10.1590/1678-5150-PVB-6821 |
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DOI : |
10.1590/1678-5150-PVB-6821 |
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Idioma : |
Inglés |
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Notas : |
Article history: 1 Received on December 4, 2020. Accepted for publication on December 16, 2020. Acknowledgments.- We would like to acknowledge Gonzalo Escayola, the
ranchers, the staff of the slaughterhouse and the interns who collaborated on this study. This work was supported by the ?Instituto Nacional de Investigación Agropecuaria? (INIA), Uruguay, project number CL 35. |
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Contenido : |
Fipronil was registered in Uruguay in 1997, and, since then, it has been used for the control of Haematobia irritans irritans and Rhipicephalus microplus. The susceptibility of H. irritants to this drug has not been evaluated. Therefore, the goal of the present study was to evaluate the resistance of H. irritans to fipronil. Additionally, a survey was carried out with the farmers to evaluate the use of fipronil for H. irritans control in the ranches where the flies came from. For the bioassays, 31 field populations of H. irritans were exposed to 10 concentrations of fipronil (3.2-16.0?g.cm2 ), and their LC50 values were calculated using probit analysis. A bioassay was performed with horn flies from the susceptible colony maintained at the USDA-ARS Knipling-Bushland U.S. Livestock Insects Research Laboratory for comparison and calculation of resistance ratios (RRs). All 31 field populations surveyed in the study were susceptible to fipronil, with resistance ratios ranging from <0.5 to 2.2. Four populations with RRs >1 did not differ significantly from the susceptible strain. A single population showed an RR >2.2. Overall, the survey shows that fipronil was mostly used for R. microplus control, and in only three ranches, which were free of R. microplus, was fipronil used for horn fly control. Seventeen farmers did not use fipronil at all in the last three years. It is concluded that, in Uruguay, field populations of horn flies remain susceptible to fipronil. |
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Palabras claves : |
BIOASSAYS; FIPRONIL; HEMATOBIA IRRITANS; INTEGRATED PEST MANAGEMENT. |
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Thesagro : |
URUGUAY. |
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Asunto categoría : |
A50 Investigación agraria |
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URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/15509/1/Miraballes-et-al-2021.pdf
https://www.scielo.br/j/pvb/a/s7F8dxtqmS8DRGQvK6ZFSpx/?lang=en&format=pdf
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Marc : |
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001 1061990
005 2021-06-09
008 2021 bl uuuu u00u1 u #d
024 7 $a10.1590/1678-5150-PVB-6821$2DOI
100 1 $aMIRABALLES, C.
245 $aSusceptibility of field populations of Haematobia irritans to fipronil in Uruguay.$h[electronic resource]
260 $c2021
500 $aArticle history: 1 Received on December 4, 2020. Accepted for publication on December 16, 2020. Acknowledgments.- We would like to acknowledge Gonzalo Escayola, the ranchers, the staff of the slaughterhouse and the interns who collaborated on this study. This work was supported by the ?Instituto Nacional de Investigación Agropecuaria? (INIA), Uruguay, project number CL 35.
520 $aFipronil was registered in Uruguay in 1997, and, since then, it has been used for the control of Haematobia irritans irritans and Rhipicephalus microplus. The susceptibility of H. irritants to this drug has not been evaluated. Therefore, the goal of the present study was to evaluate the resistance of H. irritans to fipronil. Additionally, a survey was carried out with the farmers to evaluate the use of fipronil for H. irritans control in the ranches where the flies came from. For the bioassays, 31 field populations of H. irritans were exposed to 10 concentrations of fipronil (3.2-16.0?g.cm2 ), and their LC50 values were calculated using probit analysis. A bioassay was performed with horn flies from the susceptible colony maintained at the USDA-ARS Knipling-Bushland U.S. Livestock Insects Research Laboratory for comparison and calculation of resistance ratios (RRs). All 31 field populations surveyed in the study were susceptible to fipronil, with resistance ratios ranging from <0.5 to 2.2. Four populations with RRs >1 did not differ significantly from the susceptible strain. A single population showed an RR >2.2. Overall, the survey shows that fipronil was mostly used for R. microplus control, and in only three ranches, which were free of R. microplus, was fipronil used for horn fly control. Seventeen farmers did not use fipronil at all in the last three years. It is concluded that, in Uruguay, field populations of horn flies remain susceptible to fipronil.
650 $aURUGUAY
653 $aBIOASSAYS
653 $aFIPRONIL
653 $aHEMATOBIA IRRITANS
653 $aINTEGRATED PEST MANAGEMENT
700 1 $aBARROS, A.T.M.
700 1 $aLUCAS, M.
700 1 $aKLAFKE, G.M.
700 1 $aDOMINGUES, L.N.
700 1 $aRIET-CORREA, F.
773 $tPesquisa Veterinaria Brasileira, 2021, Volume 41, Article number e06821. OPEN ACCESS. Doi: https://doi.org/10.1590/1678-5150-PVB-6821
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