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| 126. |  | BRUSCHI, J. H.; TEODORO, R. L.; VERNEQUE, R. da S.; NOVAES, L. P. (coord.). Guzerá leiteiro: como se tornar um criador. Viçosa: CPT; Juiz de Fora: Embrapa Gado de Leite, 2001. 1 videocassete (53min), VHS, son., color., NTSC. (Série Pecuária de Leite, 254). Acompanha manual.| Biblioteca(s): Embrapa Acre; Embrapa Agropecuária Oeste. |
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| Registros recuperados : 285 | |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Pecuária Sudeste. Para informações adicionais entre em contato com cppse.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Pecuária Sudeste. |
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Data corrente: |
12/11/2007 |
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Data da última atualização: |
24/02/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
Internacional - A |
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Autoria: |
GASPARIN, G.; MIYATA, M.; COUTINHO, M. L.; MARTINEZ, M. L.; TEODORO, R. L.; FURLONG, J.; MACHADO, M. A.; SILVA, M. V. G. B.; SONSTEGARD, T. S.; REGITANO, L. C. de A. |
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Afiliação: |
GUSTAVO GASPARIN, UFSCar; M. MYATA, UNESP/Araraquara; M. L. COUTINHO, ESALQ/ USP; MARIO LUIZ MARTINEZ, CNPGL; ROBERTO LUIZ TEODORO, CNPGL; JOHN FURLONG, CNPGL; MARCO ANTONIO MACHADO, CNPGL; MARCOS VINICIUS GUALBERTO B SILVA, CNPGL; T. S. SONSTEGARD, Bovine Functional Genomics Laboratory; LUCIANA CORREIA DE ALMEIDA REGITANO, CPPSE. |
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Título: |
Mapping of quantitative trait loci controlling tick [Riphicephalus (Boophilus) microplus] resistance on bovine chromosomes 5, 7, and 14. |
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Ano de publicação: |
2007 |
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Fonte/Imprenta: |
Animal Genetics, v. 38, n. 5, p. 453-459, oct. 2007. |
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DOI: |
10.1111/j.1365-2052.2007.01634.x |
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Idioma: |
Inglês |
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Conteúdo: |
Differences in domestication and selection processes have contributed to considerable phenotypic and genotypic differences between Bos taurus and Bos indicus cattle breeds. Of particular interest in tropical and subtropical production environments are those genetic differences between subspecies that underlie the phenotypic extremes in tolerance and susceptibility to parasite infection. In general, B. taurus cattle are more susceptible to ectoparasites than B. indicus cattle in tropical environments, and much of this difference is under genetic control. To identify genomic regions involved in tick resistance, we developed a B. taurus · B. indicus F2 experimental population to map quantitative trait loci (QTL) for resistance to the Riphicephalus (Boophilus) microplus tick. About 300 individuals were measured for parasite load in two seasons (rainy and dry) and genotyped for 23 microsatellite markers covering chromosomes 5, 7 and 14. We mapped a suggestive chromosome- wide QTL for tick load in the rainy season (P < 0.05) on chromosome 5. For the dry season, suggestive (P < 0.10) chromosome-wide QTL were mapped chromosomes 7 and 14. The additive effect of the QTL on chromosome 14 corresponds to 3.18% of the total observed phenotypic variance. Our QTL-mapping study has identified different genomic regions controlling tick resistance; these QTL were dependent upon the season in which the ticks were counted, suggesting that the QTL in question may depend on environmental factors. . |
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Palavras-Chave: |
Microsatellite marker; Resistance. |
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Thesaurus NAL: |
ectoparasites; quantitative trait loci. |
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Categoria do assunto: |
G Melhoramento Genético |
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Marc: |
LEADER 02416naa a2200289 a 4500
001 1048143
005 2023-02-24
008 2007 bl uuuu u00u1 u #d
024 7 $a10.1111/j.1365-2052.2007.01634.x$2DOI
100 1 $aGASPARIN, G.
245 $aMapping of quantitative trait loci controlling tick [Riphicephalus (Boophilus) microplus] resistance on bovine chromosomes 5, 7, and 14.$h[electronic resource]
260 $c2007
520 $aDifferences in domestication and selection processes have contributed to considerable phenotypic and genotypic differences between Bos taurus and Bos indicus cattle breeds. Of particular interest in tropical and subtropical production environments are those genetic differences between subspecies that underlie the phenotypic extremes in tolerance and susceptibility to parasite infection. In general, B. taurus cattle are more susceptible to ectoparasites than B. indicus cattle in tropical environments, and much of this difference is under genetic control. To identify genomic regions involved in tick resistance, we developed a B. taurus · B. indicus F2 experimental population to map quantitative trait loci (QTL) for resistance to the Riphicephalus (Boophilus) microplus tick. About 300 individuals were measured for parasite load in two seasons (rainy and dry) and genotyped for 23 microsatellite markers covering chromosomes 5, 7 and 14. We mapped a suggestive chromosome- wide QTL for tick load in the rainy season (P < 0.05) on chromosome 5. For the dry season, suggestive (P < 0.10) chromosome-wide QTL were mapped chromosomes 7 and 14. The additive effect of the QTL on chromosome 14 corresponds to 3.18% of the total observed phenotypic variance. Our QTL-mapping study has identified different genomic regions controlling tick resistance; these QTL were dependent upon the season in which the ticks were counted, suggesting that the QTL in question may depend on environmental factors. .
650 $aectoparasites
650 $aquantitative trait loci
653 $aMicrosatellite marker
653 $aResistance
700 1 $aMIYATA, M.
700 1 $aCOUTINHO, M. L.
700 1 $aMARTINEZ, M. L.
700 1 $aTEODORO, R. L.
700 1 $aFURLONG, J.
700 1 $aMACHADO, M. A.
700 1 $aSILVA, M. V. G. B.
700 1 $aSONSTEGARD, T. S.
700 1 $aREGITANO, L. C. de A.
773 $tAnimal Genetics$gv. 38, n. 5, p. 453-459, oct. 2007.
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