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Registros recuperados: 14 | |
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Euclides,Valéria Pacheco Batista; do Valle,Cacilda Borges; Macedo,Manuel Cláudio Motta; Almeida,Roberto Giolo de; Montagner,Denise Baptaglin; Barbosa,Rodrigo Amorim. |
This paper aims to discuss the scientific progress obtained in the past ten years in genetics and plant breeding, soil fertility and plant nutrition and the importance of target sward conditions for planning, controlling and recommending management grazing of tropical grasses. In addition, progress in crop-livestock integration systems and management alternatives for mitigation of greenhouse gas emission by beef cattle production systems, two very important areas related to sustainable production systems, will also be discussed. |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Crop and pasture association; Grazing management; Methane emission; Tropical forage. |
Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982010001300018 |
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ANDRADE, L. L.; SAKAMOTO, L. S.; VILAS BOAS, D. F.; GUILARDI, J. H.; LEMES, A. P.; MAHLMEISTER, K.; MEO FILHO, P.; BERNDT, A.. |
In recent decades, the concentration of methane and other greenhouse gases that cause the global warming is increasing, associated with human population growth and related activities, involving the agricultural environment. |
Tipo: Separatas |
Palavras-chave: Ruminal methane production; Methane emission. |
Ano: 2016 |
URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1104029 |
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LAGE, J. F.; SAN VITO, E.; CARVALHO, I. P. C.; SILVA, R. A.; RIBEIRO, A. F.; BERNDT, A.; FRIGUETTO, R. T. S.; REIS, R. A.; BERCHIELLI, T. T.. |
In: GREENHOUSE GASES AMD ANIMAL AGRICULTURE CONFERENCE, 5., 2013, Dublin. Proceedings... Dublin: Cambridge University Press, 2013. p. 408. |
Tipo: Separatas |
Palavras-chave: Crude glycerin; Methane emission; Nellore. |
Ano: 2013 |
URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/963249 |
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COSTA, H. H. A.; SALIBA, E. de O. S.; GALVANI, D. B.; LANDIM, A. V.; DEL BIANCO BENEDETI, P.; SILVA, F. A. e; MORA, C. M.. |
Abstract: The objective of this study was to evaluate the effects of different mineral supplements on methane emission of sheep grazing in Caatinga ecosystem. An experiment in a completely randomized design, in which 15 Santa Inês crossbred sheep (19.3 kg) were randomly assigned to one of three treatments: mineral salt for sheep (control; SALTMC), mineral salt with addition of 750 ppm of zinc per animal (SALTMZn) and mineral salt supplied with 2.5 ml of propylene glycol per kg of metabolic body weight (BW0.75; SALTMPeg). Methane emission (CH4) was performed by technique of sulfur hexafluoride tracer gas (SF6). Treatments did not affect (P>0.05) the intakes (in g/d and g/kgBW0.75) of dry matter (DM) and organic matter (OM). Methane emission, in g/d and... |
Tipo: Anais e Proceedings de eventos |
Palavras-chave: Propilenoglicol; Emissão de gases; Pasto nativo; CH4; Native pasture; Emissão de metano; Methane emission; Mineral nutrients; Mineral supplements.; Ovino; Suplemento mineral; Suplemento alimentar; Nutriente mineral; Zinco; Sais minerais; Pastagem nativa; Caatinga; Pastejo; Sheep; Propylene glycol; Zinc; Grazing.. |
Ano: 2015 |
URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1035475 |
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Aemiro, Ashagrie; Watanabe, Shota; Suzuki, Kengo; Hanada, Masaaki; Umetsu, Kazutaka. |
An in vitro study was conducted to investigate the effect of different concentrations of Euglena (Euglena gracilis) on CH4 production, dry matter (DM) digestibility, volatile fatty acid (VFA) and ammonia N(NH3-N) concentration as well as on the protozoa population. The treatments considered were Euglena at concentrations of 0.0, 50, 100, 200, 400 and 1000 g/kg dry matter (DM) of the substrate (60:40 forage: concentrate ratio) incubated for 24 and 96 h using an in vitro continuous gas production and in vitro two-stage digestion procedure, respectively. The data were subjected to polynomial regression analysis. Methane emissions (ml/g DM) decreased at an increasing rate, generally with increasing concentration of Euglena but also exhibited quadratic (P<... |
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Palavras-chave: Methane emission; Euglena; Protozoa; Volatile fatty acid; Digestibility; Ammonia. |
Ano: 2016 |
URL: http://ir.obihiro.ac.jp/dspace/handle/10322/4458 |
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Sarazin, Gérard; Jezequel, Didier; Leboulanger, Christophe; Fouilland, Eric; Le Floc'H, Emilie; Bouvy, Marc; Gerard, Emmanuelle; Agogué, Hélène; Bernard, Cédric; Hugoni, Mylène; Grossi, Vincent; Trousselier, Marc; Ader, Magali. |
Dziani Dzaha is a maar the age of which is close to 4000 years. While its water is thought to have originated from seawater it is now considered as an extreme environment due to its hypersaline and alkaline characteristics. Those extreme features have led to the simplification of the trophic network. Cyanobacteria account for up to 95% of the photosynthetic biomass. The main biogeochemical processes, i.e. photosynthesis, bacterial sulfate reduction and methanogenesis could explain the current water composition. As far as we know, this ecosystem could be unique on Earth, extending the nature and chemical limits of aquatic inland ecosystems |
Tipo: Text |
Palavras-chave: Thalassohaline lake; Endorheic ecosystem; Cyanobacteria; Methane emission; Biogeochemistry; Mayotte. |
Ano: 2020 |
URL: https://archimer.ifremer.fr/doc/00667/77948/80128.pdf |
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ANDRADE, B. G. N.; DONATONI, F. A. B.; CUADRAT, R. R.; CARDOSO, T. F.; MALHEIROS, J. M.; OLIVEIRA, P. S. N. DE; PETRINI, J.; MOURÃO, G. B.; COUTINHO, L. L.; REECY, J. M.; KOLTES, J. E.; ZERLOTINI NETO, A.; MEDEIROS, S. R. de; BERNDT, A.; PALHARES, J. C. P.; AFLI, H.; REGITANO, L. C. de A.. |
Background: The impact of extreme changes in weather patterns on the economy and human welfare is one of the biggest challenges our civilization faces. From anthropogenic contributions to climate change, reducing the impact of farming activities is a priority since it is responsible for up to 18% of global greenhouse gas emissions. To this end, we tested whether ruminal and stool microbiome components could be used as biomarkers for methane emission and feed efficiency in bovine by studying 52 Brazilian Nelore bulls belonging to two feed intervention treatment groups, that is, conventional and by-product-based diets. Results: We identified a total of 5,693 amplicon sequence variants (ASVs) in the Nelore bulls? microbiomes. A Differential abundance analysis... |
Tipo: Artigo de periódico |
Palavras-chave: Association; Feed efficiency; Methane emission; Bactéria; Bos Indicus; Archaea; Biomarkers. |
Ano: 2022 |
URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1145925 |
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Aemiro, Ashagrie; Hanada, Masaaki; Umetsu, Kazutaka; Nishida, Takehiro. |
Sunphenon 30S-O is obtained from the leaves of traceable green tea (Camellia sinensis) and standardized for its catechin content (205 g/kg DM). This experiment was conducted to evaluate the effect of supplementation with different concentrations of Sunphenon 30S-O on methane emissions, nutrient intake, digestibility, protozoa abundance and the concentrations of volatile fatty acids (VFA) and ammonia-N (NH3-N) in sheep. Four Corriedale wethers with an average body weight of 64.25 +/- 3.86 kg were arranged in a 4 x 4 Latin square and fed a basal diet of Guinea grass (Panicum maximum) hay at the maintenance level with four different concentrations of Sunphenon 30S-O (0, 10, 25 and 40 g/Kg DM intake). The experiment was conducted over 84 days in four 21-day... |
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Palavras-chave: Methane emission; Nutrient digestibility; Green tea. |
Ano: 2016 |
URL: http://ir.obihiro.ac.jp/dspace/handle/10322/4459 |
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Registros recuperados: 14 | |
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