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 | Acesso ao texto completo restrito à biblioteca da Embrapa Caprinos e Ovinos. Para informações adicionais entre em contato com cnpc.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
01/08/1992 |
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Data da última atualização: |
12/06/2023 |
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Autoria: |
KELLY, J. D.; HALL, C. A. |
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Título: |
Resistance of animal helminths to anthelmintics. |
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Ano de publicação: |
1979 |
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Fonte/Imprenta: |
Advances in Pharmacology and Chemotherapy, v. 16, p. 89-128, 1979. |
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Idioma: |
Inglês |
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Conteúdo: |
This chapter discusses the resistance of animal helminths to anthelmintics. Resistance is defined as a significant increase in the ability of individuals within a strain to tolerate doses of a compound, which would prove lethal to the majority of individuals in a normal population of the same species. The introduction of phenothiazine and the benzimidazole broad-spectrum anthelmintics, has unfortunately led to the selection of drug-resistant strains of important parasitic helminths. The emergence of an increasing number of resistant helminths is associated with the widespread use and misuse of anthelmintics, and poses important problems for the helminth chemotherapist. Several species of ovine nematodes have developed resistance to anthelmintics after repeated exposures. Field strains of Haemonchus contortus resistant to phenothiazine (coarse particle) were first reported in the United States by Drudge et al. Benzimidazole-resistant strains of H. contortus have now been reported from the United States, Chile, Australia, South Africa, and West Malaysia. Other species of helminths known to have developed resistance to this group of drugs are Trichostrongylus colubriformis and Ostertagia circumcincta. |
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Palavras-Chave: |
Controle; Nematodeo; Resistance to anthelmintics. |
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Thesagro: |
Anti-Helmíntico; Helminto; Parasitologia; Resistência; Ruminante. |
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Thesaurus Nal: |
Animal parasitic nematodes; Helminths; Parasitology; Ruminants. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01967naa a2200277 a 4500
001 1522055
005 2023-06-12
008 1979 bl uuuu u00u1 u #d
100 1 $aKELLY, J. D.
245 $aResistance of animal helminths to anthelmintics.$h[electronic resource]
260 $c1979
520 $aThis chapter discusses the resistance of animal helminths to anthelmintics. Resistance is defined as a significant increase in the ability of individuals within a strain to tolerate doses of a compound, which would prove lethal to the majority of individuals in a normal population of the same species. The introduction of phenothiazine and the benzimidazole broad-spectrum anthelmintics, has unfortunately led to the selection of drug-resistant strains of important parasitic helminths. The emergence of an increasing number of resistant helminths is associated with the widespread use and misuse of anthelmintics, and poses important problems for the helminth chemotherapist. Several species of ovine nematodes have developed resistance to anthelmintics after repeated exposures. Field strains of Haemonchus contortus resistant to phenothiazine (coarse particle) were first reported in the United States by Drudge et al. Benzimidazole-resistant strains of H. contortus have now been reported from the United States, Chile, Australia, South Africa, and West Malaysia. Other species of helminths known to have developed resistance to this group of drugs are Trichostrongylus colubriformis and Ostertagia circumcincta.
650 $aAnimal parasitic nematodes
650 $aHelminths
650 $aParasitology
650 $aRuminants
650 $aAnti-Helmíntico
650 $aHelminto
650 $aParasitologia
650 $aResistência
650 $aRuminante
653 $aControle
653 $aNematodeo
653 $aResistance to anthelmintics
700 1 $aHALL, C. A.
773 $tAdvances in Pharmacology and Chemotherapy$gv. 16, p. 89-128, 1979.
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Registro original: |
Embrapa Caprinos e Ovinos (CNPC) |
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Registro Completo
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Biblioteca(s): |
Embrapa Gado de Corte. |
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Data corrente: |
22/12/2020 |
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Data da última atualização: |
22/12/2020 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
BARRETO, C. D.; ALVES, F. V.; RAMOS, C. E. C. de O.; LEITE, M. C. de P.; LEITE, L. C.; KARVATTE JUNIOR, N. |
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Afiliação: |
Camilla Diniz Barreto; FABIANA VILLA ALVES, CNPGC; Carlos Eduardo Crispim de Oliveira Ramos; Meiby Carneiro de Paula Leite; Laudí Cunha Leite; Nivaldo Karvatte Junior. |
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Título: |
Infrared thermography for evaluation of the environmental thermal comfort for livestock. |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
International Journal of Biometeorology, v. 64, p. 881?888, 2020. |
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Idioma: |
Inglês |
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Palavras-Chave: |
Ambience; Infrared; Multiple factor analysis; Tropical conditions. |
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Thesaurus NAL: |
Microclimate; Trees. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/219599/1/20-Infrared-thermography.pdf
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Marc: |
LEADER 00729naa a2200241 a 4500
001 2128631
005 2020-12-22
008 2020 bl uuuu u00u1 u #d
100 1 $aBARRETO, C. D.
245 $aInfrared thermography for evaluation of the environmental thermal comfort for livestock.$h[electronic resource]
260 $c2020
650 $aMicroclimate
650 $aTrees
653 $aAmbience
653 $aInfrared
653 $aMultiple factor analysis
653 $aTropical conditions
700 1 $aALVES, F. V.
700 1 $aRAMOS, C. E. C. de O.
700 1 $aLEITE, M. C. de P.
700 1 $aLEITE, L. C.
700 1 $aKARVATTE JUNIOR, N.
773 $tInternational Journal of Biometeorology$gv. 64, p. 881?888, 2020.
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