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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: |
19/09/2007 |
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Data da última atualização: |
30/01/2025 |
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Autoria: |
MAN, W. Y. N.; LEWIS, R. M.; BOULTON, K.; VILLANUEVA, B. |
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Título: |
Genetic conseguences of selecting on PrP genotypes on terminal sire and hill sheep breeds. |
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Ano de publicação: |
2006 |
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Fonte/Imprenta: |
In: WORLD CONGRESS ON GENETICS APPLIED TO LIVESTOCK PRODUCTION, 8., 2006, Belo Horizonte, MG. Proceedings... Belo Horizonte: Instituto Prociência, 2006. 4 f. 1 CD-ROM. |
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Idioma: |
Inglês |
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Conteúdo: |
The current study aims to assess the impact of various PrP selection strategies on PrP allele frequencies, inbreeding and genetic gain in performance traits in terminal sire and hill sheep populations typical of those participating in sire referencing schemes. When PrP selection was targeted against VRQ genotypes only and the VRQ allele frequency was 30% or less, there was minimal impact on genetic gain and inbreeding. However, genetic gain was affected with selection in favour of the ARR allele when the frequency of this allele was below 60%. In general, inbreeding was unaffected by PrP selection as this selection was counter-balanced by a weaker selection on the performance trait when compared with the scenario when there was no selection on PrP. |
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Palavras-Chave: |
PrP. |
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Thesagro: |
Genótipo; Melhoramento Genético Animal; Ovino; Sistema Nervoso. |
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Thesaurus Nal: |
Animal genetics; Genotype; Scrapie; Sheep. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01562nam a2200253 a 4500
001 1533394
005 2025-01-30
008 2006 bl uuuu u00u1 u #d
100 1 $aMAN, W. Y. N.
245 $aGenetic conseguences of selecting on PrP genotypes on terminal sire and hill sheep breeds.
260 $aIn: WORLD CONGRESS ON GENETICS APPLIED TO LIVESTOCK PRODUCTION, 8., 2006, Belo Horizonte, MG. Proceedings... Belo Horizonte: Instituto Prociência, 2006. 4 f. 1 CD-ROM.$c2006
520 $aThe current study aims to assess the impact of various PrP selection strategies on PrP allele frequencies, inbreeding and genetic gain in performance traits in terminal sire and hill sheep populations typical of those participating in sire referencing schemes. When PrP selection was targeted against VRQ genotypes only and the VRQ allele frequency was 30% or less, there was minimal impact on genetic gain and inbreeding. However, genetic gain was affected with selection in favour of the ARR allele when the frequency of this allele was below 60%. In general, inbreeding was unaffected by PrP selection as this selection was counter-balanced by a weaker selection on the performance trait when compared with the scenario when there was no selection on PrP.
650 $aAnimal genetics
650 $aGenotype
650 $aScrapie
650 $aSheep
650 $aGenótipo
650 $aMelhoramento Genético Animal
650 $aOvino
650 $aSistema Nervoso
653 $aPrP
700 1 $aLEWIS, R. M.
700 1 $aBOULTON, K.
700 1 $aVILLANUEVA, B.
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Embrapa Caprinos e Ovinos (CNPC) |
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| 1. |  | BERTAGNOLLI, P. F.; COSTAMILAN, L. M.; COLLUSSI, G.; DOTTO, S. R.; PITOL, C. Avaliação de linhagens de soja da Embrapa Trigo, locais e ensaios, safra 2007/2008: [resumo]. In: REUNIÃO DE PESQUISA DE SOJA DA REGIÃO SUL, 36., 2008, Porto Alegre. Ata e resumos... Porto Alegre: Fepagro, 2008. p. 36.| Tipo: Resumo em Anais de Congresso | Circulação/Nível: -- - -- |
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