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 | Acesso ao texto completo restrito à biblioteca da Embrapa Gado de Corte. Para informações adicionais entre em contato com biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Gado de Corte. |
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Data corrente: |
23/12/2020 |
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Data da última atualização: |
21/02/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
OSHIRO, L. M.; RODRIGUES, V. da S.; GARCIA, M. V.; HIGA, L. de O. S.; SUZIN, A.; BARROS, J. C.; ANDREOTTI, R. |
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Afiliação: |
LEANDRA MARIA OSHIRO, Bolsista, Embrapa Gado de Corte, Campo Grande.; VINICIUS DA SILVA RODRIGUES, Universidade Federal de Uberlândia, Uberlândia, MG.; MARCOS VALERIA GARCIA, Bolsista, Embrapa Gado de Corte, Campo Grande, MS.; LEANDRO DE OLIVEIRA SOUZA HIGA, Bolsista, Embrapa Gado de Corte, Campo Grande, MS.; ADRIANE SUZIN, Universidade Federal de Uberlândia, Uberlândia, MG.; JACQUELINE CAVALCANTE BARROS, CNPGC; RENATO ANDREOTTI E SILVA, CNPGC. |
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Título: |
Effect of low temperature and relative humidity on reproduction and survival of the tick Rhipicephalus microplus. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Experimental and Applied Acarology, v. 83, n. 1, p. 95-106, 2021. |
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Idioma: |
Inglês |
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Conteúdo: |
The objective of this study was to evaluate the survival of Rhipicephalus microplus females under low temperature, to determine the influence of temperature and relative humidity (RH) on the biological parameters of this tick. In total 300 viable engorged female ticks collected from cattle were used. On the day of collection (D0), 30 female ticks were divided into three groups: G1, kept at 28 °C and 80% RH; G2, kept at 20 °C and 80% RH; and G3, kept at 20 °C and 30% RH. The remaining females were stored in a refrigerator at 4 °C. Over the next 9 days (D+1 to D+9), 30 female ticks were removed daily from the refrigerator and distributed among the three treatments. Egg mass, feed conversion rate, egg incubation period, larval hatch rate, number of dead females per group, weight of female tick removed from the refrigerator, and female tick weight loss were recorded. At 20 °C and 80% RH hatching was delayed. Among the female ticks kept in the refrigerator and then allocated to groups G1, G2, and G3, there was a reduction in reproductive efficiency and a rise in mortality as time in the refrigerator increased. The female ticks expressed their best reproductive capacity when subjected to the refrigeration temperature for a maximum of 3 days and then kept at 28 °C and 80% RH. Thus, although female ticks can be stored in the refrigerator before being sent to research centers for use in bioassays, the storage time should be as short as possible, not exceeding 3 days. |
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Palavras-Chave: |
Cattle tick; Laboratory conditions. |
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Thesaurus Nal: |
Humidity; Rhipicephalus microplus; Temperature. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02258naa a2200253 a 4500
001 2128693
005 2022-02-21
008 2021 bl uuuu u00u1 u #d
100 1 $aOSHIRO, L. M.
245 $aEffect of low temperature and relative humidity on reproduction and survival of the tick Rhipicephalus microplus.$h[electronic resource]
260 $c2021
520 $aThe objective of this study was to evaluate the survival of Rhipicephalus microplus females under low temperature, to determine the influence of temperature and relative humidity (RH) on the biological parameters of this tick. In total 300 viable engorged female ticks collected from cattle were used. On the day of collection (D0), 30 female ticks were divided into three groups: G1, kept at 28 °C and 80% RH; G2, kept at 20 °C and 80% RH; and G3, kept at 20 °C and 30% RH. The remaining females were stored in a refrigerator at 4 °C. Over the next 9 days (D+1 to D+9), 30 female ticks were removed daily from the refrigerator and distributed among the three treatments. Egg mass, feed conversion rate, egg incubation period, larval hatch rate, number of dead females per group, weight of female tick removed from the refrigerator, and female tick weight loss were recorded. At 20 °C and 80% RH hatching was delayed. Among the female ticks kept in the refrigerator and then allocated to groups G1, G2, and G3, there was a reduction in reproductive efficiency and a rise in mortality as time in the refrigerator increased. The female ticks expressed their best reproductive capacity when subjected to the refrigeration temperature for a maximum of 3 days and then kept at 28 °C and 80% RH. Thus, although female ticks can be stored in the refrigerator before being sent to research centers for use in bioassays, the storage time should be as short as possible, not exceeding 3 days.
650 $aHumidity
650 $aRhipicephalus microplus
650 $aTemperature
653 $aCattle tick
653 $aLaboratory conditions
700 1 $aRODRIGUES, V. da S.
700 1 $aGARCIA, M. V.
700 1 $aHIGA, L. de O. S.
700 1 $aSUZIN, A.
700 1 $aBARROS, J. C.
700 1 $aANDREOTTI, R.
773 $tExperimental and Applied Acarology$gv. 83, n. 1, p. 95-106, 2021.
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Embrapa Gado de Corte (CNPGC) |
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| 1. |  | SILVA JÚNIOR, M. B. da; POZZA, E. A.; RESENDE, M. L. V.; RIBEIRO JUNIOR, P. M.; COSTA, B. H. G.; CARVALHO, C. A.; RESENDE, A. R. M.; BOTELHOS, D. M. dos. Foliar fertilizers for the management of phoma leaf spot on coffee seedlings. Journal of Phytopathology, v. 166, n, 10, p. 686-693, oct. 2018.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
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