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| Registros recuperados : 219 | |
| 81. |  | DALTRO, D. DOS S.; PADILHA, A. H.; GAMA, L. T. DA; SILVA, M. V. G. B.; PANETTO, J. C. do C.; MACHADO, J. D.; BRACCINI NETO, J.; COBUCI, J. A. Heterosis in the components of lactation curves of Girolando cows. Italian Journal of Animal Science, v. 18, n. 1, p. 267-278, 2019.| Biblioteca(s): Embrapa Gado de Leite. |
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| 82. | | MACEDO, A. A.; BITTAR, J. F. F.; BASSI, P. B.; RONDA, J. B.; BITTAR, E. R.; PANETTO, J. C. do C.; ARAUJO, M. S. S.; SANTOS, R. L.; MARTINS-FILHO, O. A. Influence of endogamy and mitochondrial DNA on immunological parameters in cattle. BMC Veterinary Research, v. 10, n. 79, 2014.| Biblioteca(s): Embrapa Gado de Leite. |
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| 83. | | OLIVEIRA, C. S.; SILVA, M. V. G. B.; QUINTAO, C. C. R.; OTTO, P. I.; ALONSO, R. V.; FERES, L. F.; PANETTO, J. C. do C.; MACHADO, M. A.; CAMARGO, L. S. de A. Imputation accuracy for genomic selection using embryo biopsy samples in Gir. Reproductive Biology, v. 23, 100765, 2023.| Biblioteca(s): Embrapa Gado de Leite. |
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| 84. | | NASCIMENTO, G. C.; RODRIGUES, R. F. M.; CORDEIRO NETO, J. A.; TEIXEIRA, R. B.; NORONHA, C. M. S.; PAIVA, A. L. da C.; PANETTO, J. C. do C.; TEIXEIRA, B. B. Estudo da endogamia em populações simuladas submetidas a diferentes métodos de seleção. In: CONGRESSO BRASILEIRO DE ZOOTECNIA, 24., 2014, Vitória. Anais... Vitória: Universidade Federal do Espírito Santo, 2014. 3 p.| Biblioteca(s): Embrapa Gado de Leite. |
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| 85. | | PERIPOLLI, E.; STAFUZZA, N. B.; MUNARI, D. P.; LIMA, A. L. F.; IRGANG, R.; MACHADO, M. A.; PANETTO, J. C. do C.; VENTURA, R. V.; BALDI, F.; SILVA, M. V. G. B. Assessment of runs of homozygosity islands and estimates of genomic inbreeding in Gyr (Bos indicus) dairy cattle. BMC Genomics, v. 19, n. 34, 2018. 13 p.| Biblioteca(s): Embrapa Gado de Leite. |
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| 86. | | REIS, D. R. de L.; PEREIRA, H. P.; EGITO, A. A. do; TORRES JUNIOR, R. A. de A.; KIM, E. S.; SONSTEGARD, T. S.; MARTINS, M. F.; PANETTO, J. C. do C.; SILVA, M. V. G. B.; MACHADO, M. A. Development of tetra-primer ARMS-PCR protocol to genotype the prolactin receptor SNP 39136666 and assessment of this SNP in Brazilian locally adapted cattle breeds. Arquivo Brasileiro e Medicina Veterinária e Zootecnia, v. 73, p. 534-538, 2021. Communication.| Biblioteca(s): Embrapa Gado de Leite. |
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| 87. | | NASCIMENTO, J. C.; SEIBERLICK, O. S. G.; CARVALHO, B. O.; PEREIRA, H. P.; REIS, D. R. de L.; MARTINS, M. F.; PANETTO, J. C. do C.; MACHADO, M. A.; SILVA, M. V. G. B. Frequência alélica e genotípica do SNP ligado ao fenótipo slick hair no gene do receptor da prolactina (PRLR) em bovinos da raça Caracu. In: WORKSHOP DE INICIAÇÃO CIENTÍFICA DA EMBRAPA GADO DE LEITE, 24., 2019, Juiz de Fora. Anais... Juiz de Fora: Embrapa Gado de Leite, 2019. 4 p. Editor Técnico: Leônidas Paixão Passos, Embrapa Gado de Leite.| Biblioteca(s): Embrapa Gado de Leite. |
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| 88. | | CANONICI, L. F.; OLIVEIRA, F. R.; NASCIMENTO, J. C.; SANTOS, K. S.; FAZA, H. P.; PANETTO, J. C. do C.; SILVA, M. V. G. B.; MACHADO, M. A.; MARTINS, M. F. Frequência Genotípica e Alélica para o Gene da Beta-Caseína em Touros da Raça Girolando. In: XXII Workshop de Iniciação Científica da Embrapa Gado de Leite. XXII. Anais. Juiz de Fora/MG. Embrapa Gado de Leite, 2018. 4 p| Biblioteca(s): Embrapa Gado de Leite. |
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| 89. | | DALTRO, D. dos S.; SILVA, M. V. G. B.; GAMA, L. T. da; MACHADO, J. D.; KERN, E. L.; CAMPOS, G. S.; PANETTO, J. C. do C.; COBUCI, J. A. Estimates of genetic and crossbreeding parameters for 305-day milk yield of Girolando cows. Italian Journal of Animal Science, v. 19, n. 1, p. 86-94, 2020.| Biblioteca(s): Embrapa Gado de Leite. |
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| 90. | | VERARDO, L. L.; OTTO, P. I.; MACHADO, M. A.; PANETTO, J. C. do C.; REIS, D. R. de L.; EGITO, A. A. do; VITORINO, A. S. M.; CAROLINO, M. I. C. M.; CAROLINO, N. P.; SILVA, M. V. G. B. Exploring the genetic origin of Brazilian locally adapted breeds: admixture, population history and relationship with Portuguese and indicine cattle. Livestock Science, v. 282, 105455, 2024.| Biblioteca(s): Embrapa Gado de Leite. |
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| 91. | | ROCHA, R. de F. B.; OTTO, P. I.; GARCIA, A. O.; SANTOS, M. G. dos; SILVA, M. V. G. B.; MARTINS, M. F.; MACHADO, M. A.; PANETTO, J. C. do C.; CALUS, M. P. L.; GUIMARÃES, S. E. F. A genética envolvida na produção de oócitos e embriões em Gir leiteiro. Balde Branco, ano 59, n. 703, p. 56-59, 2024.| Biblioteca(s): Embrapa Gado de Leite. |
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| 92. | | RIBEIRO, V. M. P.; MERLO, F. A.; GOUVEIA, G. C.; WINKELSTROTER, L. K.; ABREU, L. R. A.; SILVA, M. V. G. B.; PANETTO, J. C. do C.; PAIVA, L. de C.; CEMBRANELLI, M. de A. R.; TORAL, F. L. B. Genetic analysis of productive and reproductive traits in multiple-breed dairy cattle populations. Pesquisa Agropecuária Brasileira, Brasília, DF v. 52, n. 11, p. 1109-1117, nov. 2017. Título em português: Análise genética de características produtivas e reprodutivas em populações multirraciais de bovinos leiteiros.| Biblioteca(s): Embrapa Gado de Leite; Embrapa Unidades Centrais. |
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| 93. | | ANDRADE, L. G. DE; GUEDES, E.; ARBEX, W. A.; MARTINS, M. F.; MACHADO, M. A.; VERNEQUE, R. da S.; PANETTO, J. C. do C.; SANTOS, G. G. dos; SILVA, M. V. G. B. Genome-wide association analysis to identify loci for linear traits in gyr breed. In: International Conference of the Brazilian Association for Bioinformatics and Computational Biology - X-Meeting, 7., 2011, Florianópolis. Resumos... Florianópolis: AB3C, 2011.| Biblioteca(s): Embrapa Gado de Leite. |
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| 94. | | GUEDES, E.; ANDRADE, L. G. DE; ARBEX, W. A.; MARTINS, M. F.; MACHADO, M. A.; VERNEQUE, R. da S.; PANETTO, J. C. do C.; BRUNELI, F. A. T.; SILVA, M. V. G. B. Genome-wide association analysis to identify loci for production traits in gyr breed. In: International Conference of the Brazilian Association for Bioinformatics and Computational Biology - X-Meeting, 7., 2011, Florianópolis. Resumos... Florianópolis: AB3C, 2011.| Biblioteca(s): Embrapa Gado de Leite. |
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| 95. | | CARMO, A. S. do; OLIVEIRA JÚNIOR, G. A. de; CHUD, T. C. S.; PANETTO, J. C. do C.; VERNEQUE, R. da S.; MACHADO, M. A.; SILVA, M. V. G. B. Genome Wide CNVs analysis to identify variants associated with coat color in Gyr breed. In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 52., 2015, Belo Horizonte. Zootecnia: otimizando recursos e potencialidades: anais. Belo Horizonte: Sociedade Brasileira de Zootecnia, 2015. 3 p.| Biblioteca(s): Embrapa Gado de Leite. |
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| 96. | | PERIPOLLI, E.; REIMER, C.; HA, NGOC-THUY; GEIBEL. J.; MACHADO, M. A.; PANETTO, J. C. do C.; EGITO, A. A. do; BALDI, F.; SIMIANER, H.; SILVA, M. V. G. B. Genome-wide detection of signatures of selection in indicine and Brazilian locally adapted taurine cattle breeds using wholegenome re-sequencing data. BMC Genomics, v. 21, article 624, 2020.| Biblioteca(s): Embrapa Gado de Corte; Embrapa Gado de Leite. |
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| 97. | | ZANELLA, R.; LAGO, L. V.; SILVA, A. N. da; PÉRTILLE, F.; CARVALHO, N. S. de; PANETTO, J. C. do C.; ZANELLA, G. C.; FACIOLI, F. L.; SILVA, M. V. G. B. Genetic characterization of Indubrasil cattle breed population. Veterinary Sciences, v. 5, n. 4, 2018. 10 p.| Biblioteca(s): Embrapa Gado de Leite. |
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| 98. | | VERARDO, L. L.; STAFUZZA, N. B.; MUNARI, D. P.; ZERLOTINI NETO, A.; CHUD, T. C. S.; GARRICK, D. J.; COLE, J. B.; PANETTO, J. C. do C.; MACHADO, M. A.; MARTINS, M. F.; SILVA, M. V. G. B. A gene-transcription factor network associated with residual feed intake based on SNVs/InDels identified in Gir, Girolando and Holstein cattle breeds. In: WORLD CONGRESS ON GENETICS APPLIED TO LIVESTOCK PRODUCTION, 11., 2018, Auckland. Proceedings... [S.l.: s.n.], 2018.| Biblioteca(s): Embrapa Gado de Leite. |
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| 99. | | VERARDO, L. L.; STAFUZZA, N. B.; MUNARI, D. P.; ZERLOTINI NETO, A.; CHUD, T. C. S.; GARRICK, D. J.; COLE, J. B.; PANETTO, J. C. do C.; MACHADO, M. A.; MARTINS, M. F.; SILVA, M. V. G. B. A gene-transcription factor network associated with residual feed intake based on SNVs/InDels identified in Gir, Girolando and Holstein cattle breeds. In: WORLD CONGRESS ON GENETICS APPLIED TO LIVESTOCK PRODUCTION, 11., 2018, Auckland. Proceedings... [S.l.: s.n.], 2018. 6 p. Na publicação: A. Zerlotini, J. C. C. Panetto. WCGALP 2018.| Biblioteca(s): Embrapa Agricultura Digital. |
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| 100. | | PANETTO, J. C. do C.; SILVA, M. V. G. B.; LEITE, R. M. H.; MACHADO, M. A.; BRUNELI, F. A. T.; REIS, D. R. de L.; PEIXOTO, M. G. C. D.; VERNEQUE, R. da S. Red Sindhi cattle in Brazil: population structure and distribution. Genetics and Molecular Research, v. 16, n. 1, 2017. 9 p.| Biblioteca(s): Embrapa Gado de Leite. |
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| Registros recuperados : 219 | |
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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
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Biblioteca(s): |
Embrapa Gado de Leite. |
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Data corrente: |
05/02/2013 |
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Data da última atualização: |
08/02/2024 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
PANETTO, J. C. do C.; VAL, J. E.; MARCONDES, C. R.; PEIXOTO, M. G. C. D.; VERNEQUE, R. da S. |
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Afiliação: |
JOAO CLAUDIO DO CARMO PANETTO, CNPGL; J. E. VAL, USP; C. R. MARCONDES, USP; MARIA GABRIELA CAMPOLINA D PEIXOTO, CNPGL; RUI DA SILVA VERNEQUE, CNPGL. |
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Título: |
Female fertility in a Guzerat dairy subpopulation: Heterogeneity of variance components for calving intervals. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
Livestock Science, v.145, n. 1/3, p. 87-94, 2012. |
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DOI: |
https://doi.org/10.1016/j.livsci.2012.01.002 |
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Idioma: |
Inglês |
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Conteúdo: |
The objectives of the present study were to determine if variance components of calving intervals varied with age at calving and if considering calving intervals as a longitudinal trait would be a useful approach for fertility analysis of Zebu dairy herds. With these purposes, calving records from females born from 1940 to 2006 in a Guzerat dairy subpopulation in Brazil were analyzed. The fixed effects of contemporary groups, formed by year and farm at birth or at calving, and the regressions of age at calving, equivalent inbreeding coefficient and day of the year on the studied traits were considered in the statistical models. In one approach, calving intervals (CI) were analyzed as a single trait, by fitting a statistical model on which both animal and permanent environment effects were adjusted for the effect of age at calving by random regression. In a second approach, a four-trait analysis was conducted, including age at first calving (AFC) and three different female categories for the calving intervals: first calving females; young females (less than 80 months old, but not first calving); or mature females (80 months old or more). Finally, a two-trait analysis was performed, also including AFC and CI, but calving intervals were regarded as a single trait in a repeatability model. Additionally, the ranking of sires was compared among approaches. Calving intervals decreased with age until females were about 80 months old, remaining nearly constant after that age. A quasilinear increase of 11.5 days on the calving intervals was observed for each 10% increase in the female's equivalent inbreeding coefficient. The heritability of AFC was 0.37. For CI, the genetic-phenotypic variance ratios ranged from 0.064 to 0.141, depending on the approach and on ages at calving. Differences among genetic variance components for calving intervals were observed along the animal's lifetime. Those differences confirmed the longitudinal aspect of that trait, indicating the importance of such consideration when accessing fertility of Zebu dairy females, especially in situations where the available information relies on their calving intervals. Spearman rank correlations among approaches ranged from 0.90 to 0.95, and changes observed in the ranking of sires suggested that the genetic progress of the population could be affected by the approach chosen for the analysis of calving intervals. MenosThe objectives of the present study were to determine if variance components of calving intervals varied with age at calving and if considering calving intervals as a longitudinal trait would be a useful approach for fertility analysis of Zebu dairy herds. With these purposes, calving records from females born from 1940 to 2006 in a Guzerat dairy subpopulation in Brazil were analyzed. The fixed effects of contemporary groups, formed by year and farm at birth or at calving, and the regressions of age at calving, equivalent inbreeding coefficient and day of the year on the studied traits were considered in the statistical models. In one approach, calving intervals (CI) were analyzed as a single trait, by fitting a statistical model on which both animal and permanent environment effects were adjusted for the effect of age at calving by random regression. In a second approach, a four-trait analysis was conducted, including age at first calving (AFC) and three different female categories for the calving intervals: first calving females; young females (less than 80 months old, but not first calving); or mature females (80 months old or more). Finally, a two-trait analysis was performed, also including AFC and CI, but calving intervals were regarded as a single trait in a repeatability model. Additionally, the ranking of sires was compared among approaches. Calving intervals decreased with age until females were about 80 months old, remaining nearly constant after that age. A quasi... Mostrar Tudo |
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Palavras-Chave: |
Avaliação genética; Fertilidade da fêmea; Intervalo de partos. |
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Thesagro: |
Variação Genética. |
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Categoria do assunto: |
G Melhoramento Genético |
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Marc: |
LEADER 03172naa a2200229 a 4500
001 1948360
005 2024-02-08
008 2012 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.livsci.2012.01.002$2DOI
100 1 $aPANETTO, J. C. do C.
245 $aFemale fertility in a Guzerat dairy subpopulation$bHeterogeneity of variance components for calving intervals.$h[electronic resource]
260 $c2012
520 $aThe objectives of the present study were to determine if variance components of calving intervals varied with age at calving and if considering calving intervals as a longitudinal trait would be a useful approach for fertility analysis of Zebu dairy herds. With these purposes, calving records from females born from 1940 to 2006 in a Guzerat dairy subpopulation in Brazil were analyzed. The fixed effects of contemporary groups, formed by year and farm at birth or at calving, and the regressions of age at calving, equivalent inbreeding coefficient and day of the year on the studied traits were considered in the statistical models. In one approach, calving intervals (CI) were analyzed as a single trait, by fitting a statistical model on which both animal and permanent environment effects were adjusted for the effect of age at calving by random regression. In a second approach, a four-trait analysis was conducted, including age at first calving (AFC) and three different female categories for the calving intervals: first calving females; young females (less than 80 months old, but not first calving); or mature females (80 months old or more). Finally, a two-trait analysis was performed, also including AFC and CI, but calving intervals were regarded as a single trait in a repeatability model. Additionally, the ranking of sires was compared among approaches. Calving intervals decreased with age until females were about 80 months old, remaining nearly constant after that age. A quasilinear increase of 11.5 days on the calving intervals was observed for each 10% increase in the female's equivalent inbreeding coefficient. The heritability of AFC was 0.37. For CI, the genetic-phenotypic variance ratios ranged from 0.064 to 0.141, depending on the approach and on ages at calving. Differences among genetic variance components for calving intervals were observed along the animal's lifetime. Those differences confirmed the longitudinal aspect of that trait, indicating the importance of such consideration when accessing fertility of Zebu dairy females, especially in situations where the available information relies on their calving intervals. Spearman rank correlations among approaches ranged from 0.90 to 0.95, and changes observed in the ranking of sires suggested that the genetic progress of the population could be affected by the approach chosen for the analysis of calving intervals.
650 $aVariação Genética
653 $aAvaliação genética
653 $aFertilidade da fêmea
653 $aIntervalo de partos
700 1 $aVAL, J. E.
700 1 $aMARCONDES, C. R.
700 1 $aPEIXOTO, M. G. C. D.
700 1 $aVERNEQUE, R. da S.
773 $tLivestock Science$gv.145, n. 1/3, p. 87-94, 2012.
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