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 | Acesso ao texto completo restrito à biblioteca da Embrapa Pecuária Sul. Para informações adicionais entre em contato com cppsul.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Pecuária Sul. |
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Data corrente: |
21/08/2018 |
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Data da última atualização: |
21/08/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
KASHINO, S. S.; RESENDE, J.; SACCO, A. M. S.; ROCHA, C.; PROENÇA, L.; CARVALHO, W. A.; FIRMINO, A. A.; QUEROZ, R.; BENAVIDES, M. V.; GERSHWIN, L. J.; SANTOS, I. K. F. de M. |
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Afiliação: |
Suely S. Kashino, EMBRAPA; Janaína Resende, EMBRAPA; ANA MARIA SASTRE SACCO, CPPSUL; Clarisse Rocha, EMBRAPA; Laila Proença, EMBRAPA; WANESSA ARAUJO CARVALHO, CNPGL; Alexandre A. Firmino, EMBRAPA; Rosevaldo Queiroz, EMBRAPA; MAGDA VIEIRA BENAVIDES, CPPSUL; Laurel J. Gershwin, University of California; ISABEL KINNEY FERREIRA DE M SANTOS, Cenargen. |
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Título: |
Boophilus microplus: the pattern of bovine immunoglobulin isotype responses to high and low tick infestations. |
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Ano de publicação: |
2005 |
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Fonte/Imprenta: |
Experimental Parasitology, v. 110, n. 1, p. 12-21, May 2005. |
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Idioma: |
Inglês |
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Conteúdo: |
Cattle present variable levels of resistance to ticks and the immune correlates of these heritable phenotypes must be known in order to develop eVective vaccines. The antibody responses to tick salivary antigens were examined in cattle of tick-susceptible (Holstein) and tick-resistant (Nelore) breeds. After heavy infestations, levels of IgG1 and IgG2 antibodies decreased in Holsteins and remained the same in Nelores. Conversely, levels of IgE antibodies increased in Holsteins. DiVerent sizes of tick burdens modulated the IgG1 antibody response in a susceptible breed (Aberdeen): levels were higher than in controls in heavily infested animals, but not in those undergoing intermediary or minimal infestations. The three experimental groups presented similar levels of IgG2 antibodies. Levels of IgE antibodies were higher only in animals undergoing intermediate infestations. These results indicate that tick infestations suppress the IgG antibody response in susceptible breeds, that IgE antibodies are not protective, and that the dose of tick saliva modulates the isotype of host antibody responses. Published by Elsevier Inc. |
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Thesagro: |
Boophilus Microplus; Bos Indicus; Bos Taurus; Carrapato; Imunoglobulina; Saliva. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02033naa a2200313 a 4500
001 2094363
005 2018-08-21
008 2005 bl uuuu u00u1 u #d
100 1 $aKASHINO, S. S.
245 $aBoophilus microplus$bthe pattern of bovine immunoglobulin isotype responses to high and low tick infestations.$h[electronic resource]
260 $c2005
520 $aCattle present variable levels of resistance to ticks and the immune correlates of these heritable phenotypes must be known in order to develop eVective vaccines. The antibody responses to tick salivary antigens were examined in cattle of tick-susceptible (Holstein) and tick-resistant (Nelore) breeds. After heavy infestations, levels of IgG1 and IgG2 antibodies decreased in Holsteins and remained the same in Nelores. Conversely, levels of IgE antibodies increased in Holsteins. DiVerent sizes of tick burdens modulated the IgG1 antibody response in a susceptible breed (Aberdeen): levels were higher than in controls in heavily infested animals, but not in those undergoing intermediary or minimal infestations. The three experimental groups presented similar levels of IgG2 antibodies. Levels of IgE antibodies were higher only in animals undergoing intermediate infestations. These results indicate that tick infestations suppress the IgG antibody response in susceptible breeds, that IgE antibodies are not protective, and that the dose of tick saliva modulates the isotype of host antibody responses. Published by Elsevier Inc.
650 $aBoophilus Microplus
650 $aBos Indicus
650 $aBos Taurus
650 $aCarrapato
650 $aImunoglobulina
650 $aSaliva
700 1 $aRESENDE, J.
700 1 $aSACCO, A. M. S.
700 1 $aROCHA, C.
700 1 $aPROENÇA, L.
700 1 $aCARVALHO, W. A.
700 1 $aFIRMINO, A. A.
700 1 $aQUEROZ, R.
700 1 $aBENAVIDES, M. V.
700 1 $aGERSHWIN, L. J.
700 1 $aSANTOS, I. K. F. de M.
773 $tExperimental Parasitology$gv. 110, n. 1, p. 12-21, May 2005.
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Registro original: |
Embrapa Pecuária Sul (CPPSUL) |
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| Acesso ao texto completo restrito à biblioteca da Embrapa Pantanal. Para informações adicionais entre em contato com cpap.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Pantanal. |
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Data corrente: |
27/03/1996 |
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Data da última atualização: |
10/04/2017 |
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Autoria: |
SANTOS, S. A.; SERENO, J. R. B.; MAZZA, M. C. M.; MAZZA, C. A. |
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Afiliação: |
EMBRAPA. Centro de Pesquisa Agropecuaria do Pantanal (Corumba, MS). |
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Título: |
Origin of the pantaneiro horse in Brasil. |
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Ano de publicação: |
1992 |
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Fonte/Imprenta: |
Archivos de Zootecnia, v.41, n.154, p.371-381, 1992. Extra. |
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Idioma: |
Inglês |
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Conteúdo: |
The first horses that arrived in the Pantanal, a flooded land of the states of Mato Grosso and Mato Grosso do Sul (Central Western region of Brazil), formed a breed - the Pantaneiro horse - a product of the natural selection over the last three centuries, and adapted to the regional environmental conditions. Until recently, little or no human interference was imposed on this process. There is some information about dates when the first horses entered the region, but none of it is precise. The earliest origin appears to be related to such Spanish expeditions, as those of Pedro de Mendoza, in 1534; Alvar Nunez Cabeza de Vaca, in 1540; and Nuflo de Chavez, in 1543. The animals brought by these expeditions were, for the most part, of Iberian horses. Some horses on these expeditions were lost in the Pantanal, proliferating and, consequently, populating the area. The "Guaicuru" indians helped to spred horses in the Pantanal. They learned horse management from the spanish and extended their range. Explorers arriving in the state of Mato Grosso, particularly in the 17th and 18th centuries, coming from the state of Sao Paulo, by way of the Tiete-Parana-Paraguay rivers, and from Goias, by road, may have also contributed to the introduction of horses into the region. Since the formation of the Pantaneiro breed, this horse in played an important role in the development of the Pantanal region. |
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Palavras-Chave: |
Cavalo Pantaneiro; Equine; Horse pantaneiro; Origem; Origin. |
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Thesagro: |
Eqüino. |
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Thesaurus NAL: |
Brazil; Pantanal. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02030naa a2200253 a 4500
001 1788038
005 2017-04-10
008 1992 bl --- 0-- u #d
100 1 $aSANTOS, S. A.
245 $aOrigin of the pantaneiro horse in Brasil.
260 $c1992
520 $aThe first horses that arrived in the Pantanal, a flooded land of the states of Mato Grosso and Mato Grosso do Sul (Central Western region of Brazil), formed a breed - the Pantaneiro horse - a product of the natural selection over the last three centuries, and adapted to the regional environmental conditions. Until recently, little or no human interference was imposed on this process. There is some information about dates when the first horses entered the region, but none of it is precise. The earliest origin appears to be related to such Spanish expeditions, as those of Pedro de Mendoza, in 1534; Alvar Nunez Cabeza de Vaca, in 1540; and Nuflo de Chavez, in 1543. The animals brought by these expeditions were, for the most part, of Iberian horses. Some horses on these expeditions were lost in the Pantanal, proliferating and, consequently, populating the area. The "Guaicuru" indians helped to spred horses in the Pantanal. They learned horse management from the spanish and extended their range. Explorers arriving in the state of Mato Grosso, particularly in the 17th and 18th centuries, coming from the state of Sao Paulo, by way of the Tiete-Parana-Paraguay rivers, and from Goias, by road, may have also contributed to the introduction of horses into the region. Since the formation of the Pantaneiro breed, this horse in played an important role in the development of the Pantanal region.
650 $aBrazil
650 $aPantanal
650 $aEqüino
653 $aCavalo Pantaneiro
653 $aEquine
653 $aHorse pantaneiro
653 $aOrigem
653 $aOrigin
700 1 $aSERENO, J. R. B.
700 1 $aMAZZA, M. C. M.
700 1 $aMAZZA, C. A.
773 $tArchivos de Zootecnia$gv.41, n.154, p.371-381, 1992. Extra.
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