| |
|
|
| Registros recuperados : 16 | |
| 6. |  | MENDONÇA, F. S.; MACNEIL, M. D.; NALERIO, E. S.; CARDOSO, L. L.; GIONGO, C.; CARDOSO, F. F. Breed direct, maternal and heteros is effects due to Angus, Caracu, Hereford and Nelore on carcass and meat quality traits of cull cows. Livestock Science, v. 243, 104374, Jan. 2021.| Biblioteca(s): Embrapa Pecuária Sul. |
|    |
| 7. | | MENDONÇA, F. S.; MACNEIL, M. D.; LEAL, W. S.; AZAMBUJA, R. C. C.; RODRIGUES, P. F.; CARDOSO, F. F. Crossbreeding effects on growth and efficiency in beef cow-calf systems: evaluation of Angus, Caracu, Hereford and Nelore breed direct, maternal and heterosis effects. Translational Animal Science, v. 3, n. 4, p. 1286-1295, July 2019.| Biblioteca(s): Embrapa Pecuária Sul. |
|  |
| 9. | | YOKOO, M. J. I.; SIMÕES, M. da R. S.; JUNQUEIRA, V. S.; MINHO, A. P.; GULIAS GOMES, C. C.; MACNEIL, M. D.; CARDOSO, F. F. Economic value for the trait tick count in Brangus cattle. In: INTERNATIONAL MEETING OF ADVANCES IN ANIMAL SCIENCE, 2016, Jaboticabal. Papers... Jaboticabal: Unesp, 2016. IMAS. Pôster 45209.| Biblioteca(s): Embrapa Pecuária Sul. |
| |
| 10. | | PORTES, J, V.; MENEZES, G. R. de O.; SILVA, L. O. C. da; MACNEIL, M. D.; ABREU, U. G. P. de; LACERDA, V. V. de; BRACCINI NETO, J. Selection indexes for nellore production system in the Brazilian Pantanal. Revista Brasileira de Zootecnia, v.50, e20200264, 2021. Animal production systems and agribusiness.| Biblioteca(s): Embrapa Gado de Corte; Embrapa Pantanal. |
| |
| 11. | | CARDOSO, L. L.; TAROUCO, J. U.; MACNEIL, M. D.; LOBATO, J. F. P.; DAMBRÓS, M. C.; FREITAS, A. K. de; DEVICENZI, T.; FEIJÓ, F. D.; CARDOSO, F. F. Sample size and prediction of weight and yield of individual cuts from Braford steers pistol hindquarters. Scientia Agricola, v. 77, n. 4, e20180224, 2020.| Biblioteca(s): Embrapa Pecuária Sul. |
| |
| 15. | | SIMÕES, M. R. S.; LEAL, J. J. B.; MINHO, A. P.; GULIAS GOMES, C. C.; MACNEIL, M. D.; COSTA, R. F.; JUNQUEIRA, V. S.; SCHMIDT, P. I.; CARDOSO, F. F.; BOLIGON, A. A.; YOKOO, M. J. I. Breeding objectives of Brangus cattle in Brazil. Journal of Animal Breeding Genetics, v. 37, n. 2, p. 177-188, Mar. 2019.| Biblioteca(s): Embrapa Pecuária Sudeste. |
| |
| 16. | | SIMÕES, M. R. S.; LEAL, J. J. B.; MINHO, A. P.; GULIAS GOMES, C. C.; MACNEIL, M. D.; COSTA, R. F.; JUNQUEIRA, V. S.; SCHMIDT, P. I.; CARDOSO, F. F.; BOLIGON, A. A.; YOKOO, M. J. I. Breeding objectives of Brangus cattle in Brazil. Journal of Animal Breeding and Genetics, v. 137, n. 2, p. 177-188, Mar. 2020.| Biblioteca(s): Embrapa Pecuária Sul. |
| |
| Registros recuperados : 16 | |
|
|
|
 | Acesso ao texto completo restrito à biblioteca da Embrapa Pecuária Sul. Para informações adicionais entre em contato com cppsul.biblioteca@embrapa.br. |
Registro Completo
|
Biblioteca(s): |
Embrapa Pecuária Sul. |
|
Data corrente: |
15/12/2017 |
|
Data da última atualização: |
15/12/2017 |
|
Tipo da produção científica: |
Artigo em Periódico Indexado |
|
Circulação/Nível: |
A - 1 |
|
Autoria: |
MACNEIL, M. D.; CARDOSO, F. F.; HAY, E. |
|
Afiliação: |
M. D. MacNeil; FERNANDO FLORES CARDOSO, CPPSUL; E. Hay. |
|
Título: |
Genotype by environment interaction effects in genetic evaluation of preweaning gain for Line 1 Hereford cattle from Miles City, Montana. |
|
Ano de publicação: |
2017 |
|
Fonte/Imprenta: |
Journal of Animal Science, v. 95, n. 9, p. 3833-3838, 2017. |
|
Idioma: |
Inglês |
|
Conteúdo: |
It has long been recognized that genotype × environment interaction potentially influences genetic evaluation of beef cattle. However, this recognition has largely been ignored in systems for national cattle evaluation. The objective of this investigation was to determine if direct and maternal genetic effects on preweaning gain would be reranked depending on an environmental gradient as determined by year effects. Data used were from the 76-yr selection experiment with the Line 1 Hereford cattle raised at Miles City, MT. The data comprised recorded phenotypes from 7,566 animals and an additional 1,862 ancestral records included in the pedigree. The presence of genotype × environment interaction was examined using reaction norms wherein year effects on preweaning gain were hypothesized to linearly influence the EBV. Estimates of heritability for direct and maternal effects, given the average environment, were 10 ± 2 and 26 ± 3%, respectively. In an environment that is characterized by the 5th (95th) percentile of the distribution of year effects, the corresponding estimates of heritability were 18 ± 3 (22 ± 3%) and 30 ± 3% (30 ± 3%), respectively. Rank correlations of direct and maternal EBV appropriate to the 5th and 95th percentiles of the year effects were 0.67 and 0.92, respectively. In the average environment, the genetic trends were 255 ± 1 g/yr for direct effects and 557 ± 3 g/yr for maternal effects. In the fifth percentile environment, the corresponding estimates of genetic trend were 271 ± 1 and 540 ± 3 g/yr, respectively, and in the 95th percentile environment, they were 236 ± 1 and 578 ± 3 g/yr, respectively. Linear genetic trends in environmental sensitivity were observed for both the direct (?8.06 × 10?? ± 0.49 × 10??) and maternal (8.72 × 10?? ± 0.43 × 10??) effects. Therefore, changing systems of national cattle evaluation to more fully account for potential genotype × environment interaction would improve the assessment of breeding stock, particularly for direct effects. Estimates of environmental sensitivity parameters could also facilitate identification of genetic limitations to production. MenosIt has long been recognized that genotype × environment interaction potentially influences genetic evaluation of beef cattle. However, this recognition has largely been ignored in systems for national cattle evaluation. The objective of this investigation was to determine if direct and maternal genetic effects on preweaning gain would be reranked depending on an environmental gradient as determined by year effects. Data used were from the 76-yr selection experiment with the Line 1 Hereford cattle raised at Miles City, MT. The data comprised recorded phenotypes from 7,566 animals and an additional 1,862 ancestral records included in the pedigree. The presence of genotype × environment interaction was examined using reaction norms wherein year effects on preweaning gain were hypothesized to linearly influence the EBV. Estimates of heritability for direct and maternal effects, given the average environment, were 10 ± 2 and 26 ± 3%, respectively. In an environment that is characterized by the 5th (95th) percentile of the distribution of year effects, the corresponding estimates of heritability were 18 ± 3 (22 ± 3%) and 30 ± 3% (30 ± 3%), respectively. Rank correlations of direct and maternal EBV appropriate to the 5th and 95th percentiles of the year effects were 0.67 and 0.92, respectively. In the average environment, the genetic trends were 255 ± 1 g/yr for direct effects and 557 ± 3 g/yr for maternal effects. In the fifth percentile environment, the corresponding estimates of... Mostrar Tudo |
|
Thesagro: |
Gado de corte. |
|
Categoria do assunto: |
-- |
|
Marc: |
LEADER 02697naa a2200157 a 4500
001 2082708
005 2017-12-15
008 2017 bl uuuu u00u1 u #d
100 1 $aMACNEIL, M. D.
245 $aGenotype by environment interaction effects in genetic evaluation of preweaning gain for Line 1 Hereford cattle from Miles City, Montana.$h[electronic resource]
260 $c2017
520 $aIt has long been recognized that genotype × environment interaction potentially influences genetic evaluation of beef cattle. However, this recognition has largely been ignored in systems for national cattle evaluation. The objective of this investigation was to determine if direct and maternal genetic effects on preweaning gain would be reranked depending on an environmental gradient as determined by year effects. Data used were from the 76-yr selection experiment with the Line 1 Hereford cattle raised at Miles City, MT. The data comprised recorded phenotypes from 7,566 animals and an additional 1,862 ancestral records included in the pedigree. The presence of genotype × environment interaction was examined using reaction norms wherein year effects on preweaning gain were hypothesized to linearly influence the EBV. Estimates of heritability for direct and maternal effects, given the average environment, were 10 ± 2 and 26 ± 3%, respectively. In an environment that is characterized by the 5th (95th) percentile of the distribution of year effects, the corresponding estimates of heritability were 18 ± 3 (22 ± 3%) and 30 ± 3% (30 ± 3%), respectively. Rank correlations of direct and maternal EBV appropriate to the 5th and 95th percentiles of the year effects were 0.67 and 0.92, respectively. In the average environment, the genetic trends were 255 ± 1 g/yr for direct effects and 557 ± 3 g/yr for maternal effects. In the fifth percentile environment, the corresponding estimates of genetic trend were 271 ± 1 and 540 ± 3 g/yr, respectively, and in the 95th percentile environment, they were 236 ± 1 and 578 ± 3 g/yr, respectively. Linear genetic trends in environmental sensitivity were observed for both the direct (?8.06 × 10?? ± 0.49 × 10??) and maternal (8.72 × 10?? ± 0.43 × 10??) effects. Therefore, changing systems of national cattle evaluation to more fully account for potential genotype × environment interaction would improve the assessment of breeding stock, particularly for direct effects. Estimates of environmental sensitivity parameters could also facilitate identification of genetic limitations to production.
650 $aGado de corte
700 1 $aCARDOSO, F. F.
700 1 $aHAY, E.
773 $tJournal of Animal Science$gv. 95, n. 9, p. 3833-3838, 2017.
Download
Esconder MarcMostrar Marc Completo |
|
Registro original: |
Embrapa Pecuária Sul (CPPSUL) |
|
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
Fechar
|
| Nenhum registro encontrado para a expressão de busca informada. |
|
|
