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| Registros recuperados : 2 | |
| 1. |  | SOUZA, A. C. S. de; REZENDE, M. P. G. de; CARNEIRO, P. L. S.; CAMPOS, B. M.; MALHADO, C. H. M. Editing and modeling of milk production data for genetic evaluation of Murrah buffaloes. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 52, n. 12, p. 1261-1267, dez. 2017. Título em português: Edição e modelagem de dados de produção de leite para avaliação genética de buffalos de Murrah.| Biblioteca(s): Embrapa Unidades Centrais. |
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| 2. | | BARBIERI, J. D.; FREITAS, P. S. L. de; DALLACORT, R.; ZOLIN, C. A.; DANIEL, D. F.; FENNER, W.; SOUZA, A. C. S. Thermal and Soil Moisture Amplitude ofIntercropped Crops. Journal of Experimental Agriculture International, v. 41, n. 6, p. 1-13, 2019. JEAI.54124| Biblioteca(s): Embrapa Agrossilvipastoril. |
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| Registros recuperados : 2 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
18/12/2017 |
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Data da última atualização: |
18/12/2017 |
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Autoria: |
SOUZA, A. C. S. de; REZENDE, M. P. G. de; CARNEIRO, P. L. S.; CAMPOS, B. M.; MALHADO, C. H. M. |
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Afiliação: |
Andréa Carolina Santos de Souza; Marcos Paulo Gonçalves de Rezende; Paulo Luiz Souza Carneiro; Bárbara Machado Campos; Carlos Henrique Mendes Malhado. |
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Título: |
Editing and modeling of milk production data for genetic evaluation of Murrah buffaloes. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, Brasília, DF, v. 52, n. 12, p. 1261-1267, dez. 2017. |
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Idioma: |
Inglês |
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Notas: |
Título em português: Edição e modelagem de dados de produção de leite para avaliação genética de buffalos de Murrah. |
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Conteúdo: |
The objective of this work was to assess the effect of editing and modeling of milk production data for genetic evaluation of Murrah buffaloes. Six strategies for evaluating milk production were analyzed: observed milk production (OMP); adjustment of milk production data to 305 (MP305) and 270 (MP270) days of lactation; removal of the 5 (MP5%) and 10% (MP10%) shortest lactation periods; and milk production along the lactation period as linear covariate (MPCO). Genetic parameters were estimated using the Bayesian inference, with heritability estimates of 0.19 to 0.23 and repeatability estimates of 0.35 to 0.36. Sires classified by OMP were high correlated to those classified by the other models, however, correlations to MP270, MP305 and MPCO decreased when considering only the best 20% sires. OMP showed greater differences in absolute mean deviations when compared with MPCO, MP270 and MP305. The strategies of analysis had similar heritabilities and stabilities. However, changes in the ranking of sires with better classifications, due to overestimation of genetic values, as occurred in the models MP305, MP270 and MPCO, may lead to a decrease in the genetic progress of the herd. |
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Palavras-Chave: |
Bull summary; Duração da lactação; Genetic parameters; Lactation period; Sumário de touros. |
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Thesagro: |
Bubalus Bubalis; Parâmetro genético. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/169212/1/Editing-and-modeling-of-milk-production.pdf
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Marc: |
LEADER 02118naa a2200265 a 4500
001 2082815
005 2017-12-18
008 2017 bl uuuu u00u1 u #d
100 1 $aSOUZA, A. C. S. de
245 $aEditing and modeling of milk production data for genetic evaluation of Murrah buffaloes.
260 $c2017
500 $aTítulo em português: Edição e modelagem de dados de produção de leite para avaliação genética de buffalos de Murrah.
520 $aThe objective of this work was to assess the effect of editing and modeling of milk production data for genetic evaluation of Murrah buffaloes. Six strategies for evaluating milk production were analyzed: observed milk production (OMP); adjustment of milk production data to 305 (MP305) and 270 (MP270) days of lactation; removal of the 5 (MP5%) and 10% (MP10%) shortest lactation periods; and milk production along the lactation period as linear covariate (MPCO). Genetic parameters were estimated using the Bayesian inference, with heritability estimates of 0.19 to 0.23 and repeatability estimates of 0.35 to 0.36. Sires classified by OMP were high correlated to those classified by the other models, however, correlations to MP270, MP305 and MPCO decreased when considering only the best 20% sires. OMP showed greater differences in absolute mean deviations when compared with MPCO, MP270 and MP305. The strategies of analysis had similar heritabilities and stabilities. However, changes in the ranking of sires with better classifications, due to overestimation of genetic values, as occurred in the models MP305, MP270 and MPCO, may lead to a decrease in the genetic progress of the herd.
650 $aBubalus Bubalis
650 $aParâmetro genético
653 $aBull summary
653 $aDuração da lactação
653 $aGenetic parameters
653 $aLactation period
653 $aSumário de touros
700 1 $aREZENDE, M. P. G. de
700 1 $aCARNEIRO, P. L. S.
700 1 $aCAMPOS, B. M.
700 1 $aMALHADO, C. H. M.
773 $tPesquisa Agropecuária Brasileira, Brasília, DF$gv. 52, n. 12, p. 1261-1267, dez. 2017.
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Embrapa Unidades Centrais (AI-SEDE) |
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