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| Acesso ao texto completo restrito à biblioteca da Embrapa Gado de Corte. Para informações adicionais entre em contato com cnpgc.biblioteca@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Gado de Corte. |
Data corrente: |
06/10/1998 |
Data da última atualização: |
10/09/2021 |
Autoria: |
SOUZA, J. C.; RAMOS, A. A.; SILVA, L. O. C. da; EUCLIDES FILHO, K.; ALENCAR, M. M. de; WECHSLER, F. S.; GADINI, C. H.; VLECK, L. D. van. |
Afiliação: |
INSTITUTO DE ZOOTECNIA (Andradina, SP). |
Título: |
Effect of genotype x environment interaction on weaning weight of Nellore calves raised in four different regions of Brazil. |
Ano de publicação: |
1998 |
Fonte/Imprenta: |
In: WORLD CONGRESS ON GENETIC APPLIED TO LIVESTOCK PRODUCTION, 6., 1998, Armidale. Proceeding... Armidale: Organazing Committee, 1998. |
Volume: |
v.23 |
Páginas: |
p.193-196. |
Idioma: |
Português |
Notas: |
CNPGC. |
Conteúdo: |
The objective of this may was to evaluate the effect of genotype x environnent interaction and estimative genetic parameters of 205-day adjusted weaning weight observed in four different regions of Brazil. Data consisted of 56039 weight records of Nellore calves raised on pasture and born from 1977 to 1994. Genetic pammeters and expected progeny differences (EPD) were obtained using a sire model simultaneously for the four regions, having sire as randon effects sires and maternal permanent environment of cows and fixed effects sex month and year of birth, farm, and age of dam as covariate. The EPD estimates were obtained. Spearman correlations between EPD'S of different regions were calculated to verify whether the sire ranks were different among regions. The proportion of total phenotypic variance due to permanent environment effect of dam ranged from 0.16 to 0.23. Heritability coefficients were 0.27, 0.33, 0.39 and 0.25 for regions 2, 5, 6, and 8, respectively. Genetic correlations were 0.37, -.06,0.12, 0.36, 0.63 and 0.60. Spearman correlations were 0.60, 0.02, 0.40, 0.55, 0.87, and 0.78 for region pairs 2-5, 2-6, 2-8, 5-6, and 6-8, respectivility. |
Palavras-Chave: |
Ambiente; Bovino de corte; Brasil; Calf; Genetic correlations; Genotypes; Nelore. |
Thesagro: |
Bezerro; Desmama; Genótipo; Hereditariedade; Melhoramento; Peso. |
Thesaurus NAL: |
beef cattle; Brazil; breeding; environment; heritability; Nellore; weaning weight. |
Categoria do assunto: |
-- |
Marc: |
LEADER 02488naa a2200481 a 4500 001 1321135 005 2021-09-10 008 1998 bl uuuu u00u1 u #d 100 1 $aSOUZA, J. C. 245 $aEffect of genotype x environment interaction on weaning weight of Nellore calves raised in four different regions of Brazil. 260 $c1998 300 $ap.193-196. v.23 490 $vv.23 500 $aCNPGC. 520 $aThe objective of this may was to evaluate the effect of genotype x environnent interaction and estimative genetic parameters of 205-day adjusted weaning weight observed in four different regions of Brazil. Data consisted of 56039 weight records of Nellore calves raised on pasture and born from 1977 to 1994. Genetic pammeters and expected progeny differences (EPD) were obtained using a sire model simultaneously for the four regions, having sire as randon effects sires and maternal permanent environment of cows and fixed effects sex month and year of birth, farm, and age of dam as covariate. The EPD estimates were obtained. Spearman correlations between EPD'S of different regions were calculated to verify whether the sire ranks were different among regions. The proportion of total phenotypic variance due to permanent environment effect of dam ranged from 0.16 to 0.23. Heritability coefficients were 0.27, 0.33, 0.39 and 0.25 for regions 2, 5, 6, and 8, respectively. Genetic correlations were 0.37, -.06,0.12, 0.36, 0.63 and 0.60. Spearman correlations were 0.60, 0.02, 0.40, 0.55, 0.87, and 0.78 for region pairs 2-5, 2-6, 2-8, 5-6, and 6-8, respectivility. 650 $abeef cattle 650 $aBrazil 650 $abreeding 650 $aenvironment 650 $aheritability 650 $aNellore 650 $aweaning weight 650 $aBezerro 650 $aDesmama 650 $aGenótipo 650 $aHereditariedade 650 $aMelhoramento 650 $aPeso 653 $aAmbiente 653 $aBovino de corte 653 $aBrasil 653 $aCalf 653 $aGenetic correlations 653 $aGenotypes 653 $aNelore 700 1 $aRAMOS, A. A. 700 1 $aSILVA, L. O. C. da 700 1 $aEUCLIDES FILHO, K. 700 1 $aALENCAR, M. M. de 700 1 $aWECHSLER, F. S. 700 1 $aGADINI, C. H. 700 1 $aVLECK, L. D. van. 773 $tIn: WORLD CONGRESS ON GENETIC APPLIED TO LIVESTOCK PRODUCTION, 6., 1998, Armidale. Proceeding... Armidale: Organazing Committee, 1998.
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