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Registro Completo |
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Biblioteca(s): |
Embrapa Gado de Leite. |
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Data corrente: |
28/09/2021 |
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Data da última atualização: |
28/09/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
CARVALHO, N. S.; DALTRO, D. S.; MACHADO, J. D.; CAMARGO, E. V.; PANETTO, J. C. do C.; COBUCI, J. A. |
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Afiliação: |
Universidade Federal do Rio Grande do Sul; Universidade Federal do Rio Grande do Sul; Universidade Federal do Rio Grande do Sul; Instituto Federal de Educação ˗ Ciência e Tecnologia Farroupilha; JOAO CLAUDIO DO CARMO PANETTO, CNPGL; Universidade Federal do Rio Grande do Sul. |
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Título: |
Genetic parameters and genetic trends of conformation and management traits in Dairy Gir cattle. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, v. 73, n. 4, p. 938-948, 2021. |
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DOI: |
https://doi.org/10.1590/1678-4162-12341 |
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Idioma: |
Inglês |
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Conteúdo: |
The objective of this study was to estimate genetic parameters and genetic trends of different conformation and management traits regularly measured within the context of the National Dairy Gir Breeding Program (PNMGL). The estimation of genetic and residual variances for each trait was performed using average information restricted maximum likelihood (AI-REML) procedure in AIREMLF90 program software. The population was divided into three subpopulations constituted by measured females (with phenotype records), all females, and males. Linear regressions were applied for each trait, considering two periods of birth (1st period: 1938-1996; 2nd period: 1997-2012). The estimated heritability of conformation and management traits varied from 0.01 to 0.53, denoting a perspective of genetic improvement through selection and corrective matings for purebred Dairy Gir populations. The average genetic changes in conformation and management traits were, in general, variable and inexpressive, showing that the selection of Dairy Gir may have had been directed essentially to increase milk yield. The analysis of the two periods of birth indicated that some linear traits present progress (although inexpressive) in the 2nd period (more recent period). |
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Palavras-Chave: |
Genetic progress; Progresso genético. |
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Thesagro: |
Bos Taurus; Bovino; Gado Zebu; Melhoramento Genético Animal; Teste de Progênie. |
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Thesaurus Nal: |
Progeny testing. |
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Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/226412/1/Genetic-parameters.pdf
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Marc: |
LEADER 02162naa a2200289 a 4500
001 2134796
005 2021-09-28
008 2021 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1590/1678-4162-12341$2DOI
100 1 $aCARVALHO, N. S.
245 $aGenetic parameters and genetic trends of conformation and management traits in Dairy Gir cattle.$h[electronic resource]
260 $c2021
520 $aThe objective of this study was to estimate genetic parameters and genetic trends of different conformation and management traits regularly measured within the context of the National Dairy Gir Breeding Program (PNMGL). The estimation of genetic and residual variances for each trait was performed using average information restricted maximum likelihood (AI-REML) procedure in AIREMLF90 program software. The population was divided into three subpopulations constituted by measured females (with phenotype records), all females, and males. Linear regressions were applied for each trait, considering two periods of birth (1st period: 1938-1996; 2nd period: 1997-2012). The estimated heritability of conformation and management traits varied from 0.01 to 0.53, denoting a perspective of genetic improvement through selection and corrective matings for purebred Dairy Gir populations. The average genetic changes in conformation and management traits were, in general, variable and inexpressive, showing that the selection of Dairy Gir may have had been directed essentially to increase milk yield. The analysis of the two periods of birth indicated that some linear traits present progress (although inexpressive) in the 2nd period (more recent period).
650 $aProgeny testing
650 $aBos Taurus
650 $aBovino
650 $aGado Zebu
650 $aMelhoramento Genético Animal
650 $aTeste de Progênie
653 $aGenetic progress
653 $aProgresso genético
700 1 $aDALTRO, D. S.
700 1 $aMACHADO, J. D.
700 1 $aCAMARGO, E. V.
700 1 $aPANETTO, J. C. do C.
700 1 $aCOBUCI, J. A.
773 $tArquivo Brasileiro de Medicina Veterinária e Zootecnia$gv. 73, n. 4, p. 938-948, 2021.
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Embrapa Gado de Leite (CNPGL) |
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| 2. |  | RAMOS, B.; VAZ, W. F.; DINIZ, L. F.; SANCHES NETO, F. O.; RIBEIRO, J. C. O.; CARVALHO-SILVA, V. H.; TEIXEIRA, A. C. S. C.; RIBEIRO, C.; NAPOLITANO, H. B.; CARVALHO JR, P. S. Kinetics, mechanism, and tautomerism in ametryn acid hydrolysis: From molecular structure to environmental impacts. Chemosphere, v. 324, 138278, 2023. 1 - 10| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
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