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| Registros recuperados : 15 | |
| Registros recuperados : 15 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
14/09/2001 |
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Data da última atualização: |
20/09/2004 |
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Autoria: |
OLIVEIRA, N. M. de; KENNEDY. J. P. |
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Título: |
Pattern of Change in Wool Production From Corriedale Breeding Ewes Varying in Age Composition in Rio Grande do Sul, Brazil. |
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Ano de publicação: |
1992 |
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Fonte/Imprenta: |
Pesquisa Agropecuaria Brasileira, Brasilia, v.27, n.10, p.1443-1451, out.1992 |
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Idioma: |
Inglês |
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Conteúdo: |
The effects of age and reproductive status on the main wool production components of 1256 Corriedale breeding ewes, ageing 21/4 to 81/4 years old, were investigated in southern Brazil, and used to predict the mean production of flocks of differing age structure. The results showed that wool production varies considerably with age and reproductive status and that in distinct environments the effects are unlikely to be constant with respect to most productive ages. Results on production from flocks varying in age composition (adjusted for the effects of reproductive status and ewe mortality rates), demonstrated that, in this environment, flocks containing ewes up to 61/4 years old, would have a relatively better wool production than when including older ewes. |
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Palavras-Chave: |
mortality rates. |
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Thesaurus NAL: |
age; environment; flocks. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/AI-SEDE/20742/1/pab09_out_92.pdf
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Marc: |
LEADER 01330naa a2200181 a 4500
001 1105690
005 2004-09-20
008 1992 bl uuuu u00u1 u #d
100 1 $aOLIVEIRA, N. M. de
245 $aPattern of Change in Wool Production From Corriedale Breeding Ewes Varying in Age Composition in Rio Grande do Sul, Brazil.
260 $c1992
520 $aThe effects of age and reproductive status on the main wool production components of 1256 Corriedale breeding ewes, ageing 21/4 to 81/4 years old, were investigated in southern Brazil, and used to predict the mean production of flocks of differing age structure. The results showed that wool production varies considerably with age and reproductive status and that in distinct environments the effects are unlikely to be constant with respect to most productive ages. Results on production from flocks varying in age composition (adjusted for the effects of reproductive status and ewe mortality rates), demonstrated that, in this environment, flocks containing ewes up to 61/4 years old, would have a relatively better wool production than when including older ewes.
650 $aage
650 $aenvironment
650 $aflocks
653 $amortality rates
700 1 $aKENNEDY. J. P.
773 $tPesquisa Agropecuaria Brasileira, Brasilia$gv.27, n.10, p.1443-1451, out.1992
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Registro original: |
Embrapa Unidades Centrais (AI-SEDE) |
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