| |
|
|
| Registros recuperados : 2 | |
| 1. |  | SILVEIRA, J. G. da; ASSAD, L. T.; OLIVEIRA NETO, S. N. de; BONET, M. S.; CANTO, A. C. B. do; CORDEIRO, F. R.; LEITE, F. F. G. D.; MUÑOZ, A. M.; SANTOS, R. R. dos; RODRIGUES, R. de A. R. Implementation of low-carbon technology in the Brazilian Amazon. In: WORLD CONGRESS ON INTEGRATED CROP-LIVESTOCK-FORESTRY SYSTEMS, 2., 2021. WCCLF 2021 proceedings. Brasília, DF: Embrapa, 2021. p. 893-899. WCCLF 2021. Evento online.| Biblioteca(s): Embrapa Solos. |
|    |
| 2. | | SILVEIRA, J. G. da; ASSAD, L. T.; OLIVEIRA NETO, S. N. de; BONET, M. S.; LEITE, F. F. G. D.; CANTO, A. C. B. do; CORDEIRO, F. R.; MUÑOZ, A. M.; RAMOS, M. B. de C.; RODRIGUES, R. de A. R. Selection of species for implantation in low-carbon technology in the Brazilian Atlantic Forest. In: WORLD CONGRESS ON INTEGRATED CROP-LIVESTOCK-FORESTRY SYSTEMS, 2., 2021. WCCLF 2021 proceedings. Brasília, DF: Embrapa, 2021. p. 738-743. WCCLF 2021. Evento online.| Biblioteca(s): Embrapa Solos. |
| |
| Registros recuperados : 2 | |
|
|
|
Registro Completo
|
Biblioteca(s): |
Embrapa Agrossilvipastoril. |
|
Data corrente: |
18/02/2019 |
|
Data da última atualização: |
18/02/2019 |
|
Tipo da produção científica: |
Resumo em Anais de Congresso |
|
Autoria: |
LIMA, L. R.; MOMBACH, M. A.; FERREIRA, D. C.; PEDREIRA, B. C. e; CARVALHO, P. de; AMORIM, K. R. R. de; CABRAL, L. da S. |
|
Afiliação: |
LENI RODRIGUES LIMA, UFMT, CUIABA, MT; MIRCÉIA ANGELE MOMBACH, UFMT, CUIABA, MT; DANIELA CRISTINA FERREIRA, UFMT, CUIABA, MT; BRUNO CARNEIRO E PEDREIRA, CPAMT; PERIVALDO DE CARVALHO, UFMT, CUIABA, MT; KARITHA REGIANE RIBEIRO DE AMORIM, UFMT, CUIABA, MT; LUCIANO DA SILVA CABRAL, UFMT, CUIABA, MT. |
|
Título: |
Fibrolytic and nonfibrolytic rumen bacteria in feedlot cattle during transition from forage to concentrate diets. |
|
Ano de publicação: |
2018 |
|
Fonte/Imprenta: |
In: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 55.; CONGRESSO BRASILEIRO DE ZOOTECNIA, 28., 2018, Goiânia. Construindo saberes, formando pessoas e transformando a produção animal: anais. Viçosa: Sociedade Brasileira de Zootecnia; Brasília, DF: Associação Brasileira de Zootecnistas. |
|
Páginas: |
não paginado. |
|
Idioma: |
Inglês |
|
Conteúdo: |
The intensification of beef cattle production systems has been adopted for many farmers in Brazil, specially in Midwest region, as a way to increase the productivity by unit of land used as well as to increase the profit and decrease the Greenhouse Gas (GHG) emissions. In this way, feedlot is a major strategy used in order to increase the land productivity, where cattle from grazing systems are rapidly chanced to high grains diets, what increases the risk of nutritional diseases to occurring as acidosis and lameness. The objective of this study was to assess the effect of dietary levels of concentrate on microbial population in cattle. Four rumen fitted Nellore male cattle were used in this study from which rumen samples (solid and fluid) three hours after feeding were took when those animals were fed to diets containing only forage (Brachiaria brizantha grass pasture) or when the diet had 50, 60, 70, 80 and 90% of concentrate on dry matter basis. Each level of concentrate in the diet was increased weekly in order to reduce ruminal disturbances. In the lab, rumen samples were submitted to DNA microbial isolation protocol, which used beads, phenol and chloroform in order to get high amount and high quality DNA. The DNA of rumen microbial population was then amplified with specie specific primers for fibrolytic (Fibrobacter succinogenes and Ruminococcus albus) and nonfibrolytic bacteria (Prevotella ruminicola, Selenomonas ruminantium and Streptococcus bovis) by qPCR technique what permitted to calculate the genes copy numbers for each bacteria. The population of F. succinogenes decreased with higher level of concentrate (90%), while the R. albus numbers increased when concentrate levels were higher than 60% (P < 0.05). Prevotella ruminicola and S. ruminantium numbers decrease a little with concentrate levels among 60 and 70%, but increased again in function of more concentrate in the diets (P< 0.05). S. bovis were higher in animals fed with zero (forage) and 50% concentrate diets, have been observed the lower number in cattle fed more the 70% concentrate. The results indicate that higher amounts of concentrate in cattle diet decrease some type of fibrolytic bacteria and increased the others, while causes a lower effect on nonfibrolytic bacteria. These results also indicate that slow increase in concentrate in cattle diets cause a lower dramatic change in ruminal microbial population than do rapid changes, different what have been observed in other studies when the changes occur faster. MenosThe intensification of beef cattle production systems has been adopted for many farmers in Brazil, specially in Midwest region, as a way to increase the productivity by unit of land used as well as to increase the profit and decrease the Greenhouse Gas (GHG) emissions. In this way, feedlot is a major strategy used in order to increase the land productivity, where cattle from grazing systems are rapidly chanced to high grains diets, what increases the risk of nutritional diseases to occurring as acidosis and lameness. The objective of this study was to assess the effect of dietary levels of concentrate on microbial population in cattle. Four rumen fitted Nellore male cattle were used in this study from which rumen samples (solid and fluid) three hours after feeding were took when those animals were fed to diets containing only forage (Brachiaria brizantha grass pasture) or when the diet had 50, 60, 70, 80 and 90% of concentrate on dry matter basis. Each level of concentrate in the diet was increased weekly in order to reduce ruminal disturbances. In the lab, rumen samples were submitted to DNA microbial isolation protocol, which used beads, phenol and chloroform in order to get high amount and high quality DNA. The DNA of rumen microbial population was then amplified with specie specific primers for fibrolytic (Fibrobacter succinogenes and Ruminococcus albus) and nonfibrolytic bacteria (Prevotella ruminicola, Selenomonas ruminantium and Streptococcus bovis) by qPCR technique ... Mostrar Tudo |
|
Thesaurus NAL: |
Cellulolytic microorganisms; Grains. |
|
Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
|
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/192964/1/2018-cpamt-bruno-pedreira-fibrolytic-rumen-feedlot-cattle-transition-forage-diets.pdf
|
|
Marc: |
LEADER 03470nam a2200217 a 4500
001 2106178
005 2019-02-18
008 2018 bl uuuu u00u1 u #d
100 1 $aLIMA, L. R.
245 $aFibrolytic and nonfibrolytic rumen bacteria in feedlot cattle during transition from forage to concentrate diets.$h[electronic resource]
260 $aIn: REUNIÃO ANUAL DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 55.; CONGRESSO BRASILEIRO DE ZOOTECNIA, 28., 2018, Goiânia. Construindo saberes, formando pessoas e transformando a produção animal: anais. Viçosa: Sociedade Brasileira de Zootecnia; Brasília, DF: Associação Brasileira de Zootecnistas.$c2018
300 $anão paginado.
520 $aThe intensification of beef cattle production systems has been adopted for many farmers in Brazil, specially in Midwest region, as a way to increase the productivity by unit of land used as well as to increase the profit and decrease the Greenhouse Gas (GHG) emissions. In this way, feedlot is a major strategy used in order to increase the land productivity, where cattle from grazing systems are rapidly chanced to high grains diets, what increases the risk of nutritional diseases to occurring as acidosis and lameness. The objective of this study was to assess the effect of dietary levels of concentrate on microbial population in cattle. Four rumen fitted Nellore male cattle were used in this study from which rumen samples (solid and fluid) three hours after feeding were took when those animals were fed to diets containing only forage (Brachiaria brizantha grass pasture) or when the diet had 50, 60, 70, 80 and 90% of concentrate on dry matter basis. Each level of concentrate in the diet was increased weekly in order to reduce ruminal disturbances. In the lab, rumen samples were submitted to DNA microbial isolation protocol, which used beads, phenol and chloroform in order to get high amount and high quality DNA. The DNA of rumen microbial population was then amplified with specie specific primers for fibrolytic (Fibrobacter succinogenes and Ruminococcus albus) and nonfibrolytic bacteria (Prevotella ruminicola, Selenomonas ruminantium and Streptococcus bovis) by qPCR technique what permitted to calculate the genes copy numbers for each bacteria. The population of F. succinogenes decreased with higher level of concentrate (90%), while the R. albus numbers increased when concentrate levels were higher than 60% (P < 0.05). Prevotella ruminicola and S. ruminantium numbers decrease a little with concentrate levels among 60 and 70%, but increased again in function of more concentrate in the diets (P< 0.05). S. bovis were higher in animals fed with zero (forage) and 50% concentrate diets, have been observed the lower number in cattle fed more the 70% concentrate. The results indicate that higher amounts of concentrate in cattle diet decrease some type of fibrolytic bacteria and increased the others, while causes a lower effect on nonfibrolytic bacteria. These results also indicate that slow increase in concentrate in cattle diets cause a lower dramatic change in ruminal microbial population than do rapid changes, different what have been observed in other studies when the changes occur faster.
650 $aCellulolytic microorganisms
650 $aGrains
700 1 $aMOMBACH, M. A.
700 1 $aFERREIRA, D. C.
700 1 $aPEDREIRA, B. C. e
700 1 $aCARVALHO, P. de
700 1 $aAMORIM, K. R. R. de
700 1 $aCABRAL, L. da S.
Download
Esconder MarcMostrar Marc Completo |
|
Registro original: |
Embrapa Agrossilvipastoril (CPAMT) |
|
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
Fechar
|
|
|
| Registros recuperados : 82 | |
| 1. | | 0901264, ANAIS DA ESCOLA DE MINAS DE OURO PRETO, Escola de Minas e Metalurgia de Ouro Preto, Ouro Preto, MG
Biblioteca(s): Catálogo Coletivo de Periódicos Embrapa; Embrapa Semiárido; Embrapa Solos. | |
| 2. | | 0900505, LAVOURA PARAENSE, Secretaria de Obras Publicas, Terra e Viacao, Belem-PA
Biblioteca(s): Catálogo Coletivo de Periódicos Embrapa; Embrapa Amazônia Oriental. | |
| 4. | | 2600132, INDIAN FOREST RECORDS, Forest Research Institute and Colleges, New Delhi, IN
Biblioteca(s): Catálogo Coletivo de Periódicos Embrapa; Embrapa Florestas. | |
| 7. | | 0900344, BOLETIM AGRICOLA DE PERNAMBUCO, Uniao dos Sindicatos Agricolas de Pernambuco, Recife-PE
Biblioteca(s): Catálogo Coletivo de Periódicos Embrapa; Embrapa Semiárido. | |
| 10. | | 1850049, HOJAS DIVULGADORAS, Ministerio de Agricultura Pesca y Alimentacion, Madrid-Espanha
Biblioteca(s): Catálogo Coletivo de Periódicos Embrapa; Embrapa Agropecuária Oeste. | |
| 11. | | 2850004, AGRICOLTURA COLONIALE, Istituto Agricola Coloniale Italiano. Instituto Agronomico per l'Oltremares, Firenze, Italia, IT
Biblioteca(s): Catálogo Coletivo de Periódicos Embrapa; Embrapa Amazônia Oriental. | |
| 14. | | 0350176, JAHRBUCH DER CHEMIE, Herausgegeben, Frankfurt-Alemanha Ocidental
Biblioteca(s): Catálogo Coletivo de Periódicos Embrapa; Embrapa Amazônia Oriental. | |
| Registros recuperados : 82 | |
|
|
|
