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Registro Completo |
Biblioteca(s): |
Embrapa Agrobiologia. |
Data corrente: |
27/06/1995 |
Data da última atualização: |
27/06/1995 |
Autoria: |
SANGINGA, N.; MULONGOY, K.; AYANABA, A. |
Título: |
Inoculation of Leucaena leucocephala (Lam.) de wit with Rhizobium and its nitrogen contribution to a subsequent maize crop. |
Ano de publicação: |
1986 |
Fonte/Imprenta: |
Biol. Agric. Hortic., v.3, p.347-352, 1986. |
Idioma: |
Inglês |
Palavras-Chave: |
FBN; LEUCENA; PREDACAO; RIZOBIO. |
Thesagro: |
Milho; Nitrogênio; Rotação de Cultura. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00609naa a2200217 a 4500 001 1605576 005 1995-06-27 008 1986 bl --- 0-- u #d 100 1 $aSANGINGA, N. 245 $aInoculation of Leucaena leucocephala (Lam.) de wit with Rhizobium and its nitrogen contribution to a subsequent maize crop. 260 $c1986 650 $aMilho 650 $aNitrogênio 650 $aRotação de Cultura 653 $aFBN 653 $aLEUCENA 653 $aPREDACAO 653 $aRIZOBIO 700 1 $aMULONGOY, K. 700 1 $aAYANABA, A. 773 $tBiol. Agric. Hortic.$gv.3, p.347-352, 1986.
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Embrapa Agrobiologia (CNPAB) |
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| Acesso ao texto completo restrito à biblioteca da Embrapa Gado de Leite. Para informações adicionais entre em contato com cnpgl.biblioteca@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Gado de Leite. |
Data corrente: |
07/07/2017 |
Data da última atualização: |
27/01/2023 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 2 |
Autoria: |
PADILHA, A. H.; COSTA, C. N.; NETO, J. B.; DALTRO, D. dos S.; COBUCI, J. A. |
Afiliação: |
Alessandro Haiduck Padilha, Universidade Federal do Rio Grande do Sul; CLAUDIO NAPOLIS COSTA, CNPGL; José Braccini Neto, Universidade Federal do Rio Grande do Sul; Darlene dos Santos Daltro, Universidade Federal do Rio Grande do Sul; Jaime Araújo Cobuci, Universidade Federal do Rio Grande do Sul. |
Título: |
Selecting random regression models under different minimum number of test day records. |
Ano de publicação: |
2017 |
Fonte/Imprenta: |
Livestock Science, v. 199, p. 69-73, 2017. |
Idioma: |
Inglês |
Conteúdo: |
The objective of this study was to compare EBVs, reliability and genetic parameters in random regression models with Legendre polynomials using structures of data sets with different minimum number of test days in lactation. The original data base was edited in order to prepare for subsets by deleting cows that did not have at least 4, 6, 8 or 10 test day (TD) records in lactation. The original intervals between monthly TD were used. Random regression models with third (M3), fourth (M4) and fifth-order (M5) Legendre polynomial were used. The lowest values of AIC, BIC, −2LogL and RV was found in the models with highest Legendre polynomials orders within structure with 6, 8 and 10 TD and lowest in structure with 4 TD. The eigenvalues indicated models with lowest Legendre polynomial orders as M3 and M4 in all structures. Heritability on days in milk ranged from 0.24 to 0.48 for M3 and from 0.17 to 0.31 for M4 and M5. Spearman correlations of EBVs of bulls and cows between M3, M4 and M5 were higher than 0.99 in all structures. Average reliability of EBVs of a group of bulls in common was around 0.82, 0.82, 0.80 and 0.63 in structures with at least 4, 6, 8 and 10 TD, respectively. Results indicate M3 and M4 as sufficient for genetic evaluations in all data sets of Holstein cattle. Random regression models will have similar reliability and ranks of EBVs in data sets with a minimum of 4, 6 or 8 TD. |
Palavras-Chave: |
Genetic correlations; Legendre polynomial; Test day milk yield. |
Thesaurus NAL: |
reliability. |
Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
Marc: |
LEADER 02054naa a2200217 a 4500 001 2072290 005 2023-01-27 008 2017 bl uuuu u00u1 u #d 100 1 $aPADILHA, A. H. 245 $aSelecting random regression models under different minimum number of test day records.$h[electronic resource] 260 $c2017 520 $aThe objective of this study was to compare EBVs, reliability and genetic parameters in random regression models with Legendre polynomials using structures of data sets with different minimum number of test days in lactation. The original data base was edited in order to prepare for subsets by deleting cows that did not have at least 4, 6, 8 or 10 test day (TD) records in lactation. The original intervals between monthly TD were used. Random regression models with third (M3), fourth (M4) and fifth-order (M5) Legendre polynomial were used. The lowest values of AIC, BIC, −2LogL and RV was found in the models with highest Legendre polynomials orders within structure with 6, 8 and 10 TD and lowest in structure with 4 TD. The eigenvalues indicated models with lowest Legendre polynomial orders as M3 and M4 in all structures. Heritability on days in milk ranged from 0.24 to 0.48 for M3 and from 0.17 to 0.31 for M4 and M5. Spearman correlations of EBVs of bulls and cows between M3, M4 and M5 were higher than 0.99 in all structures. Average reliability of EBVs of a group of bulls in common was around 0.82, 0.82, 0.80 and 0.63 in structures with at least 4, 6, 8 and 10 TD, respectively. Results indicate M3 and M4 as sufficient for genetic evaluations in all data sets of Holstein cattle. Random regression models will have similar reliability and ranks of EBVs in data sets with a minimum of 4, 6 or 8 TD. 650 $areliability 653 $aGenetic correlations 653 $aLegendre polynomial 653 $aTest day milk yield 700 1 $aCOSTA, C. N. 700 1 $aNETO, J. B. 700 1 $aDALTRO, D. dos S. 700 1 $aCOBUCI, J. A. 773 $tLivestock Science$gv. 199, p. 69-73, 2017.
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