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Registro Completo |
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Biblioteca(s): |
Embrapa Agricultura Digital; Embrapa Pecuária Sudeste. |
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Data corrente: |
08/01/2024 |
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Data da última atualização: |
08/01/2024 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
AQUINO, L. M. de; CONTEVILLE, L. C.; ANDRADE, B. G. N.; ZERLOTINI NETO, A.; MOURÃO, G. B.; COUTINHO, L. L.; REGITANO, L. C. de A. |
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Afiliação: |
LETÍCIA MARIA DE AQUINO, UNIVERSIDADE FEDERAL DE SÃO CARLOS; LILIANE COSTA CONTEVILLE; BRUNO GABRIEL NASCIMENTO ANDRADE, MUNSTER TECHNOLOGICAL UNIVERSITY; ADHEMAR ZERLOTINI NETO, CNPTIA; GERSON BARRETO MOURÃO, UNIVERSIDADE DE SÃO PAULO; LUIZ LEHMANN COUTINHO, UNIVERSIDADE DE SÃO PAULO; LUCIANA CORREIA DE ALMEIDA REGITANO, CPPSE. |
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Título: |
Identificação de genes de resistência e elementos móveis no microbioma ruminal e fecal de touros Nelore. |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
JORNADA CIENTÍFICA DA EMBRAPA SÃO CARLOS, 15., 2023, São Carlos, SP. Anais [...]. São Carlos, SP: Embrapa Pecuária Sudeste; Embrapa Instrumentação, 2023. p. 40. |
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Série: |
(Embrapa Pecuária Sudeste, Eventos técnicos & científicos, 01). |
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Idioma: |
Português |
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Notas: |
Organizadores: Cintia Righetti Marcondes; Daniel Souza Corrêa. Evento virtual. |
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Conteúdo: |
O presente estudo teve como objetivo analisar 916 genomas microbianos provenientes do rúmen e fezes de 52 touros Nelore (Bos indicus), a fim de identificar genes de resistência e elementos móveis. |
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Palavras-Chave: |
Elementos móveis; Genes de resistência a antibióticos; Metagenômica; Resistoma; Viruloma. |
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Categoria do assunto: |
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G Melhoramento Genético |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1160492/1/RA-Identificacao-genes-Eventos-CPPSE.pdf
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Marc: |
LEADER 01261nam a2200265 a 4500
001 2160492
005 2024-01-08
008 2023 bl uuuu u00u1 u #d
100 1 $aAQUINO, L. M. de
245 $aIdentificação de genes de resistência e elementos móveis no microbioma ruminal e fecal de touros Nelore.$h[electronic resource]
260 $aJORNADA CIENTÍFICA DA EMBRAPA SÃO CARLOS, 15., 2023, São Carlos, SP. Anais [...]. São Carlos, SP: Embrapa Pecuária Sudeste; Embrapa Instrumentação, 2023. p. 40.$c2023
490 $a(Embrapa Pecuária Sudeste, Eventos técnicos & científicos, 01).
500 $aOrganizadores: Cintia Righetti Marcondes; Daniel Souza Corrêa. Evento virtual.
520 $aO presente estudo teve como objetivo analisar 916 genomas microbianos provenientes do rúmen e fezes de 52 touros Nelore (Bos indicus), a fim de identificar genes de resistência e elementos móveis.
653 $aElementos móveis
653 $aGenes de resistência a antibióticos
653 $aMetagenômica
653 $aResistoma
653 $aViruloma
700 1 $aCONTEVILLE, L. C.
700 1 $aANDRADE, B. G. N.
700 1 $aZERLOTINI NETO, A.
700 1 $aMOURÃO, G. B.
700 1 $aCOUTINHO, L. L.
700 1 $aREGITANO, L. C. de A.
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Registro original: |
Embrapa Agricultura Digital (CNPTIA) |
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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
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Biblioteca(s): |
Embrapa Gado de Corte. |
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Data corrente: |
07/02/2013 |
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Data da última atualização: |
07/02/2013 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
ALBERTINI, T. Z.; MEDEIROS, S. R. de; TORRES JUNIOR, R. A. de A.; ZOCHI, S. S.; OLTJEN, J. W.; STRATHE, A. B.; LANNA, D. P. D. |
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Afiliação: |
T. Z. Albertini, USP/ESALQ; SERGIO RAPOSO DE MEDEIROS, CNPGC; ROBERTO AUGUSTO DE A TORRES JUNIOR, CNPGC; S. S. Zocchi, USP/ESALQ; J. W. Oltjen, UNIVERSITY OF CALIFORNIA; A. B. Strathe, UNIVERSITY OF CALIFORNIA; D. P. D. LANNA, USP/ESALQ. |
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Título: |
A methodological approach to estimate the lactation curve and net energy and protein requirements of beef cows using nonlinear mixed-effects modeling. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
Journal of Animal Science, v.90, n.11, p.3867-3878, Nov. 2012. |
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Idioma: |
Inglês |
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Conteúdo: |
The objective of this study was to evaluate methods to predict the secretion of milk and net energy and protein requirements of beef cows (Bos indicus and B. taurus) after approximately 1 mo postpartum using nonlinear mixed-effect modeling (NLME). Twenty Caracu × Nellore (CN) and 10 Nellore (NL) cows were inseminated to Red Angus bulls, and 10 Angus × Nellore (AN) were bred to Canchim bulls. Cows were evaluated from just after calving (25 ± 11 d) to weaning (220 d). Milk yield was estimated by weighing calves before and after suckling (WSW) and by machine milking (MM) methods at 25, 52, 80, 109, 136, 164, 193, and 220 ± 11 d of lactation. Brody and simple linear equations were consecutively fi tted to the data and compared using information criteria. For the Brody equation, a NLME model was used to estimate all lactation profiles incorporating different sources of variation (calf sex and breed of cow, cow as a nested random effect, and within cow auto-correlation). The CV for the MM method (29%) was less than WSW (45%). Consequently, the WSW method was responsible for reducing the variance about 1.5 times among individuals, which minimized the ability to detect differences among cows. As a result, only milk yield MM data were used in the NLME models. The Brody equation provided the best fi t to this dataset, and inclusion of a continuous autoregressive process improved fi t (P < 0.01). Milk, energy and protein yield at the beginning of lactation were affected by cow genotype and calf sex (P < 0.001). The exponential decay of the lactation curves was affected only by genotype (P < 0.001). Angus × Nellore cows produced 15 and 48% more milk than CN and NL during the trial, respectively (P < 0.05). Caracu × Nellore cows produced 29% more milk than NL (P < 0.05). The net energy and net protein requirements for milk yield followed a similar ranking. Male calves stimulated their dams to produce 11.7, 11.4, and 11.9% more milk, energy and protein, respectively (P < 0.05). The MM method is better than the WSW technique to detect genetic or environmental differences in milk yield among beef cows. The data obtained by the MM method and analyzed by NLME models allows the inclusion of fi xed effects, random effects and an autoregressive process in lactation equations to describe lactation curves and net energy and protein requirements. The NLME is a powerful tool to describe differences in the secretion of milk due to heterosis and cell mammary external stimulus in beef cows. MenosThe objective of this study was to evaluate methods to predict the secretion of milk and net energy and protein requirements of beef cows (Bos indicus and B. taurus) after approximately 1 mo postpartum using nonlinear mixed-effect modeling (NLME). Twenty Caracu × Nellore (CN) and 10 Nellore (NL) cows were inseminated to Red Angus bulls, and 10 Angus × Nellore (AN) were bred to Canchim bulls. Cows were evaluated from just after calving (25 ± 11 d) to weaning (220 d). Milk yield was estimated by weighing calves before and after suckling (WSW) and by machine milking (MM) methods at 25, 52, 80, 109, 136, 164, 193, and 220 ± 11 d of lactation. Brody and simple linear equations were consecutively fi tted to the data and compared using information criteria. For the Brody equation, a NLME model was used to estimate all lactation profiles incorporating different sources of variation (calf sex and breed of cow, cow as a nested random effect, and within cow auto-correlation). The CV for the MM method (29%) was less than WSW (45%). Consequently, the WSW method was responsible for reducing the variance about 1.5 times among individuals, which minimized the ability to detect differences among cows. As a result, only milk yield MM data were used in the NLME models. The Brody equation provided the best fi t to this dataset, and inclusion of a continuous autoregressive process improved fi t (P < 0.01). Milk, energy and protein yield at the beginning of lactation were affected by cow genotype... Mostrar Tudo |
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Palavras-Chave: |
Bovino de corte; Desempenho animal. |
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Thesagro: |
Curva de Lactação; Nutrição Animal; Vaca. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 03344naa a2200253 a 4500
001 1948644
005 2013-02-07
008 2012 bl uuuu u00u1 u #d
100 1 $aALBERTINI, T. Z.
245 $aA methodological approach to estimate the lactation curve and net energy and protein requirements of beef cows using nonlinear mixed-effects modeling.$h[electronic resource]
260 $c2012
520 $aThe objective of this study was to evaluate methods to predict the secretion of milk and net energy and protein requirements of beef cows (Bos indicus and B. taurus) after approximately 1 mo postpartum using nonlinear mixed-effect modeling (NLME). Twenty Caracu × Nellore (CN) and 10 Nellore (NL) cows were inseminated to Red Angus bulls, and 10 Angus × Nellore (AN) were bred to Canchim bulls. Cows were evaluated from just after calving (25 ± 11 d) to weaning (220 d). Milk yield was estimated by weighing calves before and after suckling (WSW) and by machine milking (MM) methods at 25, 52, 80, 109, 136, 164, 193, and 220 ± 11 d of lactation. Brody and simple linear equations were consecutively fi tted to the data and compared using information criteria. For the Brody equation, a NLME model was used to estimate all lactation profiles incorporating different sources of variation (calf sex and breed of cow, cow as a nested random effect, and within cow auto-correlation). The CV for the MM method (29%) was less than WSW (45%). Consequently, the WSW method was responsible for reducing the variance about 1.5 times among individuals, which minimized the ability to detect differences among cows. As a result, only milk yield MM data were used in the NLME models. The Brody equation provided the best fi t to this dataset, and inclusion of a continuous autoregressive process improved fi t (P < 0.01). Milk, energy and protein yield at the beginning of lactation were affected by cow genotype and calf sex (P < 0.001). The exponential decay of the lactation curves was affected only by genotype (P < 0.001). Angus × Nellore cows produced 15 and 48% more milk than CN and NL during the trial, respectively (P < 0.05). Caracu × Nellore cows produced 29% more milk than NL (P < 0.05). The net energy and net protein requirements for milk yield followed a similar ranking. Male calves stimulated their dams to produce 11.7, 11.4, and 11.9% more milk, energy and protein, respectively (P < 0.05). The MM method is better than the WSW technique to detect genetic or environmental differences in milk yield among beef cows. The data obtained by the MM method and analyzed by NLME models allows the inclusion of fi xed effects, random effects and an autoregressive process in lactation equations to describe lactation curves and net energy and protein requirements. The NLME is a powerful tool to describe differences in the secretion of milk due to heterosis and cell mammary external stimulus in beef cows.
650 $aCurva de Lactação
650 $aNutrição Animal
650 $aVaca
653 $aBovino de corte
653 $aDesempenho animal
700 1 $aMEDEIROS, S. R. de
700 1 $aTORRES JUNIOR, R. A. de A.
700 1 $aZOCHI, S. S.
700 1 $aOLTJEN, J. W.
700 1 $aSTRATHE, A. B.
700 1 $aLANNA, D. P. D.
773 $tJournal of Animal Science$gv.90, n.11, p.3867-3878, Nov. 2012.
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