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Registro Completo |
Biblioteca(s): |
Embrapa Florestas. |
Data corrente: |
31/05/2005 |
Data da última atualização: |
31/05/2005 |
Autoria: |
MONTE BLANCO, S. A. M.; CERON, I. C. B.; BERNDT, I. R.; LINK, D. |
Título: |
CORPORACÃO NACIONAL FLORESTAL (CONAF). |
Ano de publicação: |
1999 |
Fonte/Imprenta: |
In: CICLO DE ATUALIZACÃO FLORESTAL DO CONE-SUL, 1999, Santa Maria. Anais. Santa Maria: Universidade Federal de Santa Maria, 1999. p.82-88 |
Idioma: |
Português |
Palavras-Chave: |
CONAF; Corporacão Nacional Florestas; Instituição; Pinus insigne. |
Thesaurus Nal: |
Chile. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00631naa a2200205 a 4500 001 1304842 005 2005-05-31 008 1999 bl uuuu u00u1 u #d 100 1 $aMONTE BLANCO, S. A. M. 245 $aCORPORACÃO NACIONAL FLORESTAL (CONAF). 260 $c1999 650 $aChile 653 $aCONAF 653 $aCorporacão Nacional Florestas 653 $aInstituição 653 $aPinus insigne 700 1 $aCERON, I. C. B. 700 1 $aBERNDT, I. R. 700 1 $aLINK, D. 773 $tIn: CICLO DE ATUALIZACÃO FLORESTAL DO CONE-SUL, 1999, Santa Maria. Anais. Santa Maria: Universidade Federal de Santa Maria, 1999. p.82-88
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Embrapa Florestas (CNPF) |
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Registro Completo
Biblioteca(s): |
Embrapa Gado de Corte. |
Data corrente: |
07/03/2017 |
Data da última atualização: |
07/03/2017 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 1 |
Autoria: |
PEREIRA, R. J.; SANTANA JUNIOR, M. L.; AYRES, D. R.; BIGNARDI, A. B.; MENEZES, G. R. de O.; SILVA, L. O. C. da; MACHADO, C. H. C.; JOSAHKIAN, L. A.; ALBUQUERQUE, L. G. |
Afiliação: |
GMAT/UFMT; GMAT/UFMT; GMAT/UFMT; GMAT/UFMT; GILBERTO ROMEIRO DE OLIVEIRA MENEZE, CNPGC; LUIZ OTAVIO CAMPOS DA SILVA, CNPGC; Associalão Brasileira dos criadores de Zebu, Uberlândia; Associação Brasileira dos Criadores de Zebu, Uberlândia; FCAV/USP. |
Título: |
Inbreeding depression in zebu cattle traits. |
Ano de publicação: |
2016 |
Fonte/Imprenta: |
Journal of Animal Breeding and Genetics, v. 133, p. 523-533, 2016. |
Idioma: |
Inglês |
Conteúdo: |
The productivity of herds may be negatively affected by inbreeding depression, and it is important to know how intense is this effect on the livestock performance. We performed a comprehensive analysis involving five Zebu breeds reared in Brazil to estimate inbreeding depression in productive and reproductive traits. Inbreeding depression was estimated for 13 traits by including the individual inbreeding rate as a linear covariate in the standard genetic evaluation models. For all breeds and for almost all traits (no effect was observed on gestation length), the performance of the animals was compromised by an increase in inbreeding. The average inbreeding depression was B0.222% and B0.859% per 1% of inbreeding for linear regression coefficients scaled on the percentage of mean (bm) and standard deviation (br), respectively. The means for bm (and B) were B0.269% (B1.202%) for weight/growth traits and B0.174% (B0.546%) for reproductive traits. Hence, inbreeding depression is more pronounced in weight/growth traits than in reproductive traits. These findings highlight the need for the management of inbreeding in the respective breeding programmes of the breeds studied here. |
Palavras-Chave: |
Calving performance; Growth. |
Thesagro: |
Gado de corte; Gado leiteiro; Reprodução. |
Thesaurus NAL: |
Beef cattle; Dairy cattle; Reproduction. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/157250/1/Inbreeding-depression.pdf
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Marc: |
LEADER 02055naa a2200313 a 4500 001 2066422 005 2017-03-07 008 2016 bl uuuu u00u1 u #d 100 1 $aPEREIRA, R. J. 245 $aInbreeding depression in zebu cattle traits.$h[electronic resource] 260 $c2016 520 $aThe productivity of herds may be negatively affected by inbreeding depression, and it is important to know how intense is this effect on the livestock performance. We performed a comprehensive analysis involving five Zebu breeds reared in Brazil to estimate inbreeding depression in productive and reproductive traits. Inbreeding depression was estimated for 13 traits by including the individual inbreeding rate as a linear covariate in the standard genetic evaluation models. For all breeds and for almost all traits (no effect was observed on gestation length), the performance of the animals was compromised by an increase in inbreeding. The average inbreeding depression was B0.222% and B0.859% per 1% of inbreeding for linear regression coefficients scaled on the percentage of mean (bm) and standard deviation (br), respectively. The means for bm (and B) were B0.269% (B1.202%) for weight/growth traits and B0.174% (B0.546%) for reproductive traits. Hence, inbreeding depression is more pronounced in weight/growth traits than in reproductive traits. These findings highlight the need for the management of inbreeding in the respective breeding programmes of the breeds studied here. 650 $aBeef cattle 650 $aDairy cattle 650 $aReproduction 650 $aGado de corte 650 $aGado leiteiro 650 $aReprodução 653 $aCalving performance 653 $aGrowth 700 1 $aSANTANA JUNIOR, M. L. 700 1 $aAYRES, D. R. 700 1 $aBIGNARDI, A. B. 700 1 $aMENEZES, G. R. de O. 700 1 $aSILVA, L. O. C. da 700 1 $aMACHADO, C. H. C. 700 1 $aJOSAHKIAN, L. A. 700 1 $aALBUQUERQUE, L. G. 773 $tJournal of Animal Breeding and Genetics$gv. 133, p. 523-533, 2016.
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