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Registro Completo |
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
06/03/2018 |
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Data da última atualização: |
30/01/2025 |
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Autoria: |
RODEN, J. A.; FINCH, J. M.; HARESIGN, W. |
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Título: |
Genetic analysis of birth weight and related traits in Dorset Down and Hampshire Down sheep. |
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Ano de publicação: |
2001 |
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Fonte/Imprenta: |
In: ANNUAL MEETING OF THE BRITISH SOCIETY OF ANIMAL SCIENCE, 2001, Scarborough, UK. Proceedings... Medlothian: BSAS, 2001. 1 CD ROM. p. 224. |
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Idioma: |
Inglês |
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Conteúdo: |
The aim of this study, which is part of a larger project covering a number of breeds, was to estimate the direct and maternal heritability of birth weight and its genetic correlations with 8 week weight in the Dorset Down and Hampshire Down breeds. In addition the genetic trend in birth weight over a fourteen year period is assessed. Birth weight is a trait with a moderate heritability for which maternal genetic effects are important. Both direct and maternal genetic effects on birth weight are positively correlated with later weights, however, there have been only small genetic changes in birth weight since 1985 in the Dorset Down and Hampshire Down breeds. The results of this study suggest that although birth weight is likely to increase as a consequence of selection for improved growth, the changes are likely to be small and beneficial, resulting in a decrease in the number of low birth weight lambs that are born. |
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Palavras-Chave: |
Growth. |
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Thesaurus Nal: |
Birth weight; Genetic improvement; Heritability; Lambs; Sheep. |
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Categoria do assunto: |
G Melhoramento Genético |
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Marc: |
LEADER 01589nam a2200205 a 4500
001 2088656
005 2025-01-30
008 2001 bl uuuu u00u1 u #d
100 1 $aRODEN, J. A.
245 $aGenetic analysis of birth weight and related traits in Dorset Down and Hampshire Down sheep.
260 $aIn: ANNUAL MEETING OF THE BRITISH SOCIETY OF ANIMAL SCIENCE, 2001, Scarborough, UK. Proceedings... Medlothian: BSAS, 2001. 1 CD ROM. p. 224.$c2001
520 $aThe aim of this study, which is part of a larger project covering a number of breeds, was to estimate the direct and maternal heritability of birth weight and its genetic correlations with 8 week weight in the Dorset Down and Hampshire Down breeds. In addition the genetic trend in birth weight over a fourteen year period is assessed. Birth weight is a trait with a moderate heritability for which maternal genetic effects are important. Both direct and maternal genetic effects on birth weight are positively correlated with later weights, however, there have been only small genetic changes in birth weight since 1985 in the Dorset Down and Hampshire Down breeds. The results of this study suggest that although birth weight is likely to increase as a consequence of selection for improved growth, the changes are likely to be small and beneficial, resulting in a decrease in the number of low birth weight lambs that are born.
650 $aBirth weight
650 $aGenetic improvement
650 $aHeritability
650 $aLambs
650 $aSheep
653 $aGrowth
700 1 $aFINCH, J. M.
700 1 $aHARESIGN, W.
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Registro original: |
Embrapa Caprinos e Ovinos (CNPC) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Cerrados. Para informações adicionais entre em contato com biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Cerrados. |
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Data corrente: |
29/03/1999 |
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Data da última atualização: |
29/03/1999 |
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Autoria: |
BRENNER, H.; MCMANUS, C.; SAUERESSIG, M. G. |
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Título: |
Tolerancia ao calor em racas exoticas de bovinos no Brasil Central. |
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Ano de publicação: |
1998 |
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Fonte/Imprenta: |
In: CONGRESSO DE INICIACAO CIENTIFICA DA UnB, 4., 1998, Brasilia, DF. Anais. Brasilia: UnB, 1998. |
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Páginas: |
P.18. |
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Idioma: |
Português |
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Notas: |
Resumo. |
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Palavras-Chave: |
Brasil; Regiao Central. |
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Thesagro: |
Bovino; Calor; Cerrado. |
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Thesaurus NAL: |
Brazil; cattle; warm season. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00674naa a2200253 a 4500
001 1554684
005 1999-03-29
008 1998 bl uuuu u00u1 u #d
100 1 $aBRENNER, H.
245 $aTolerancia ao calor em racas exoticas de bovinos no Brasil Central.
260 $c1998
300 $aP.18.
500 $aResumo.
650 $aBrazil
650 $acattle
650 $awarm season
650 $aBovino
650 $aCalor
650 $aCerrado
653 $aBrasil
653 $aRegiao Central
700 1 $aMCMANUS, C.
700 1 $aSAUERESSIG, M. G.
773 $tIn: CONGRESSO DE INICIACAO CIENTIFICA DA UnB, 4., 1998, Brasilia, DF. Anais. Brasilia: UnB, 1998.
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