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Adapted Bailenger method improves the rate of Ascaris suum eggs recovery from liquid pig manure compost Ciência Rural
Sá,Mariangela Facco de; Gonçalves,Ricardo Aymay; Marder,Cristiana; Baldissera,Matheus Dellamea; Oliveira,Camila Belmonte de; Noll,Jessica Caroline Gomes; Silva,Filipe; Monteiro,Silvia Gonzalez.
ABSTRACT: Liquid pig manure (LPM) is widely used as a compost fertilizer for vegetable crops destined for human consumption. However, these wastes may contain parasites eggs, such as the nematode Ascaris suum, that pose serious health risks to humans. We attempted to determine the most appropriate technique for recovering A. suum eggs from LPM compost. Samples were collected from two waste sources during composting, including 23 samples containing LPM, sawdust, and wood shavings, and 14 samples of LPM alone-both in triplicate. Samples were analyzed using several different recovery methods. Recovery of eggs by the modified Bailenger method with adaptations was significantly more effective and recovered 57% more eggs than by the modified Bailenger method...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Helminth eggs; Organic decomposition; Residues; Parasites.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782017000400502
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Allelopathic Activity of Crop Residue Incorporation Alone or Mixed Against Rice and its Associated Grass Weed Jungle Rice (Echinochloa colona [L.] Link) Chilean J. Agric. Res.
Khaliq,Abdul; Matloob,Amar; Ata Cheema,Zahid; Farooq,Muhammad.
Weed suppression is one of the several benefits achieved by soil incorporation of crop residues and such suppression is believed to be allelopathic in nature. The allelopathic potential of different crop residues: viz. sorghum (Sorghum bicolor [L.] Moench), sunflower (Helianthus annuus L.), brassica (Brassica campestris L.) was evaluated in rice (Oryza sativa L.) and jungle rice (Echinochloa colona [L.] Link). Chopped crop residues were soil-incorporated alone and mixed at 6 g kg-1 soil (12 t ha-1) and compared with a control without residues. Soil incorporation of residues substantially delayed germination of jungle rice. The time to start germination, time to 50% emergence, mean emergence time, emergence index, and final germination percentage were all...
Tipo: Journal article Palavras-chave: Residues; Allelopathy; Sorghum; Sunflower; Brassica; Weed control.
Ano: 2011 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392011000300012
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Allelopathic Effect of Some Associated Weeds of Wheat on Germinability and Biomass Production of Wheat Seedlings Planta Daninha
ZOHAIB,A.; TABASSUM,T.; ANJUM,S.A.; ABBAS,T.; NAZIR,U..
ABSTRACT: Weeds associated with crops may impose their phytotoxic effects on crop plants through the release of their allelochemicals and hence seriously reduce crop productivity. The present study was conducted to investigate the allelopathic effect of water soluble phenolics of weeds associated with wheat crop (Vicia sativa, Trigonella polycerata, Lathyrus aphaca, Medicago polymorpha, Melilotus indica) on germinability and biomass production of wheat seedlings by using their water extracts at 2.5% (w/v) and 5% (w/v) concentrations and residues of the same weeds with 0, 15 and 30 d decomposition periods at 2% (w/w) concentration. The results showed that the water extracts of M. indica and V. sativa at 5% concentration imposed the most inhibitory effect on...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Wheat; Weed allelopathy; Water extracts; Residues; Germination; Biomass production.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582017000100287
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Allelopathic effects of Rhynchosia capitata on germination and seedling growth of mungbean Planta Daninha
Ali,H.H.; Tanveer,A.; Nadeem,M.A.; Javaid,M.M.; Kashif,M.S.; Chadhar,A.R..
Experiments were conducted to evaluate the allelopathic influence of Rhynchosia capitata on germination and seedling growth of mungbean (Vigna radiate) along with identification of the phytotoxic substances responsible for this activity. Water extracts of root, shoot, leaf, fruit and whole plant were prepared by soaking them in water in a ratio of 1:20 (w/v) for 24 h. All the extracts affected germination and seedling growth of mungbean, but higher inhibition was seen with R. capitata leaf water extracts. A linear decrease in the germination characteristics of mungbean was observed with the decrease in the concentration of leaf extract from 5% to 1%. The soil-incorporated residues (1-4% w/w) of R. capitata stimulated the growth of root and hypocotyl at low...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Phytotoxic; Phenolic; Allelopathy; Residues; Concentration; Water extracts.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582013000300002
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Allelopathic Influence of Residues from Sphagneticola trilobata on Weeds and Crops Planta Daninha
HERNÁNDEZ-ARO,M.; HERNÁNDEZ-PÉREZ,R.; GUILLÉN-SÁNCHEZ,D.; TORRES-GARCIA,S..
The allelopathic effect studied in many cultures has currently generated great expectations that displayed a natural and environmentally friendly tool for weed management using bioherbicides. The objective of this work was to assess allelopathic influence of residues of S. trilobata on the germination and growth of weeds, as well as their relation with some crops and effects on soil properties. Results show that residues from S. trilobata have inhibited the germination of weeds (31.6 - 72%), increasingly with the applied dose. All residue doses of this specie have inhibited dicotyledonous germination, but only maximum concentration has affected monocotyledons. The residues did not affect onion germination, but stimulated it in radish and tomato, while the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Allelopathy; Residues; Azotobacter; Soil microflora.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582016000100081
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Anais... Infoteca-e
SIMPÓSIO SOBRE RESÍDUOS DA PRODUÇÃO AVÍCOLA, 2000, Concórdia, SC..
Planejamento da atividade avicola visando qualidade ambiental; Controle de moscas e cascudinhos: desafios na producao agricola; Aproveitamento de residuos da industria avicola para producao de biogas; Utilizacao da cama de frango na alimentacao de bovinos; Qualidade microbiologica e prevalencia de salmonella no processo de tratamento de efluentes de abatedouros avicolas; poultry diet manipulation to teduce output of pollutants to environment.
Tipo: Documentos (INFOTECA-E) Palavras-chave: Ave; Production; Residues; Quality.; Indústria; Meio Ambiente; Produção; Qualidade; Resíduo.; Environment; Industry; Poultry..
Ano: 2000 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/437526
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ASSESSMENT OF THE HEMOAGLUTINANT AND DIGESTIVE ENZYME INHIBITORY ACTIVITY OF EXTRACTS OBTAINED FROM DIFFERENT PARTS OF ATEMOIA Rev. Bras. Frutic.
Serquiz,Alexandre Coelho; Serquiz,Raphael Paschoal; Peixoto,Thayane Kerbele Oliveira das Neves; Santos,Elizeu Antunes dos; Rocha,Hugo Alexandre Oliveira.
ABSTRACT The benefits of various foods, such as fruits and vegetables, have been the focus of several studies aimed at improving welfare, health, and reducing the incidence of diseases. Therefore, the present paper objectified to investigate the presence of molecules of biotechnological and pharmacological interest in peel, seed, and pulp of Annona x atemoya Mabb. Aqueous extracts of the fruit parts were obtained with different buffers and assessed as to their protein and phenolic compounds content. The three parts of the fruit presented different proportions of these compounds when subject to different extraction conditions, with the highest concentrations of proteins being found in the seed and phenolic compounds in the peel of the studied fruit....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Annona x atemoya; Residues; Protease inhibitors; Lectins.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-29452018000100101
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Caracterização dos resíduos da madeira de Eucalyptus dunnii como fonte de energia. Infoteca-e
PEREIRA, J. C. D.; SCHAITZA, E. G.; HIGA, A. R..
bitstream/CNPF-2009-09/16583/1/pesq-andam-36.PDF
Tipo: Séries anteriores (INFOTECA-E) Palavras-chave: Resíduos; Fonte alternativa; Eucalyptus dunnii; Residues; Production.; Energia; Madeira; Produção.; Energy; Wood..
Ano: 1999 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/290831
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Characterization and use of swine deep bedding ashes in cementitious composites REA
Oliveira,Débora C. G. de; Rodrigues,Michelle S.; Santos,Sérgio F. dos; Savastano Junior,Holmer.
The deep bedding is a swine alternative production, especially in the finishing phase, whose byproduct can be recycled, reducing the environmental impact. The objectives of this study were to characterize the ash coming from the controlled burning of the swine deep bedding (SDBA) based on rice husk, and to evaluate their performance in composites as a partial substitute for Portland cement (PC). To measure the differences between SDBA and rice husk ash (RHA) as a reference, we have characterized: particle size distribution, real specific density, x-ray diffraction, electrical conductivity, scanning electron microscopy, chemical analysis and loss on ignition. Samples were prepared for two experimental series: control, and another one with the partial...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Composite; Rural construction; Residues; Swine production; Sustainability.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162012000500001
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Chemical composition of flours made of residues from the king palm (Archontophoenix alexandrae) industry BABT
Vieira,Manoela Alano; Podestá,Rossana; Tramonte,Karina Cardoso; Amboni,Renata Dias de Mello Castanho; Simas,Karina Nunes de; Avancini,Sandra Regina Paulon; Amante,Edna Regina.
Residues from King palm (Archontophoenix alexandrae) processing were used for the production of flours, which were then chemically characterized. The protein content in these flours ranged from 3.62 to 9.75 g/100g and was higher in sifted leaf flour (SLF). The dietary fiber contents varied from 64 to 72 g/100g. These values were high when compared to those of flours used in human nutrition. Analysis of anti-nutritional factors showed phytate contents to be below the levels that affected the bioavailability of minerals in human diet. Tannin contents were compatible with those found in legumes, between 0 and 2000 mg/100g. These flours showed high mineral content, which suggested a possibility for them to be used as food supplement. However, the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Archontophoenix alexandrae; Residues; Flour; Chemical analysis.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132009000400021
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Commercial and non-commercial pectinase and cellulase on the enzymatic hydrolysis efficacy of rice husk and Tifton 85 hay Animal Sciences
Teixeira, Amito José; Weschenfelder, Leonardo Menoncin; Antunes, Angela; Zeni, Jamile; Backes, Geciane Toniazzo; Cansian, Rogério Luis.
The aim of this study was to evaluate the action of commercial and non-commercial cellulase and pectinase on rice husk and Tifton 85 hay hydrolyses. The hydrolysis kinetics of the substrates with commercial cellulase and pectinase were evaluated and the hydrolysis at different temperature and agitation conditions was maximized using experimental design. The combined use of commercial and non-commercial enzymes under optimized conditions was evaluated. The pre-treatment of the residues was also investigated by milling and different concentrations of NaOH. Finally, the effect of the hydrolysis on the bromatological composition of the residues was evaluated. The best hydrolysis times of rice husk and Tifton 85 hay were 10 and 12h for commercial cellulase, 12...
Tipo: Info:eu-repo/semantics/article Palavras-chave: 5.00.00.00-4 Enzyme; Fiber; Forage; Residues.
Ano: 2019 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/45100
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DESTINO DE RESÍDUOS DE INCUBATÓRIOS DA AVICULTURA NO ESTADO DE SÃO PAULO: ADEQUAÇÃO À LEGISLAÇÃO E POSSIBILIDADE DE USO ECONÔMICO AgEcon
Kobashigawa, Estela; Murarolli, Rafael Azevedo; Gameiro, Augusto Hauber.
Em decorrência do contínuo crescimento da avicultura no Brasil, tanto de corte quanto de postura, ocorre concomitantemente um aumento de alojamento de matrizes e, portanto, dos resíduos formados pela incubação de ovos férteis. Em contrapartida no Estado de São Paulo criou-se, recentemente, a Lei no 12.300, de 16 de março de 2006, obrigando os incubatórios a dar um destino adequado aos seus resíduos. Devido ao custo de manejo dos resíduos, tem-se a oportunidade de se estudar novas alternativas, que possam eventualmente agregar valor ao produto, possibilitando sua comercialização. Objetivou-se neste estudo analisar quais os destinos dados aos resíduos de incubatórios no Estado de São Paulo. Um grupo de cinco empresas representativas foi entrevistado....
Tipo: Conference Paper or Presentation Palavras-chave: Avicultura; Resíduos; Meio ambiente; Poultry; Residues; Environment; Livestock Production/Industries.
Ano: 2008 URL: http://purl.umn.edu/108969
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Development of sampling for quantification of glyphosate in natural waters Ciência e Agrotecnologia
Tzaskos,Danilla Fernanda; Marcovicz,Crislaine; Dias,Nivea Maria Piccolomini; Rosso,Neiva Deliberali.
Glyphosate is a systemic, post-emergent, non-selective herbicide widely used in agriculture. The objective of this study was to develop a method for sample preparation, to partially purified natural water samples contaminated with residues of glyphosate, and to quantify them by derivation and spectroscopically. To assess the accuracy of the method, samples of water from an artesian well and from a stream were fortified with known amounts of glyphosate. The concentration of glyphosate was determined using a standard curve concentration range from 4 to 14 mg L-1. From the concentration of glyphosate recovered, in both samples of fortified water it was found that DOWEX MWA-1 resin and NaCl 0.100 mol L-1 eluent were effective in the purification of the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Residues; Spectroscopic studies; Systemic herbicide.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542012000400003
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Drying of sicilian lemon residue: influence of process variables on the evaluation of the dietary fiber produced Ciênc. Tecnol. Aliment.
Silva,Vanessa Martins; Viotto,Luiz Antonio.
In this study, the effect of the process variables of the air-drying of Sicilian lemon residues on some technological properties of the fibers produced was studied. The determination and modeling of desorption isotherms were used to establish the equilibrium moisture content at 60, 75, and 90 °C using the static method with 8 saturated salt solutions. The best fit was obtained with BET and GAB models. The drying process was conducted in a vertical tray dryer and delineated according to a central composite experimental design (2²) using the following as factors: air velocity (0.5, 0.75 and 1 m/s) and temperature (60, 75, and 90 °C), and it presented a good fit to the exponential model (R² > 99.9%). The experimental design responses evaluated were the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Residues; Sicilian lemon; Desorption isotherms; Convective dryer; Dietary fiber; Technological properties.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612010000200020
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Edafofauna como indicador de calidad en un suelo cumulic phaozem sometido a diferentes sistemas de manejos en un experimento de larga duración. Colegio de Postgraduados
Chocobar Guerra, Eneyda Andrea.
Los organismos del suelo contribuyen en la formación y los cambios de la estructura física del suelo e influyen en la dinámica de los nutrientes por sus efectos sobre la inmovilización y humificación de la materia orgánica. Por lo anterior, es importante estudiar la edafofauna en sistemas de larga duración (15 años) porque repercute de manera directa en el rendimiento de los cultivos y en el mejoramiento del suelo. Estas cualidades además pueden ser empleadas para crear indicadores biológicos de calidad del suelo, con el objeto de potenciar manejos agrícolas con tendencias sustentables. La investigación se enfocó en clasificar (grupo taxonómico), cuantificar (Nº individuos m-2) medir biomasa (gramos m-2) y evaluar la variación poblacional de la edafofauna...
Palavras-chave: Indicadores biológicos; Labranza; Rotación; Residuos; Biological indicator; Tillage; Crop rotation; Residues; Maestría; Edafología.
Ano: 2010 URL: http://hdl.handle.net/10521/317
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Effect of crop residues applied isolated or in combination on the germination and seedling growth of horse purslane (Trianthema portulacastrum) Planta Daninha
Khaliq,A.; Matloob,A.; Farooq,M.; Mushtaq,M.N.; Khan,M.B..
Soil incorporation of crop residues can lead to weed suppression by posing allelopathic and physical effects. Allelopathic potential of the crops sorghum, sunflower, brassica applied as sole or in combination for horse purslane (Trianthema portulacastrum) suppression was evaluated in a pot investigation. Chopped crop residues alone and in combination were incorporated at 6 g kg-1 soil (12 t ha-1), and a weedy check was maintained. Germination traits time to start germination; time to 50% emergence, mean emergence time, emergence index and final germination percentage were negatively influenced by residue incorporation. Crop residues also exerted a pronounced negative influence on the shoot and root length of horse purslane. Significant suppression in leaf...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Residues; Allelopathic; Sorghum; Sunflower; Brassica; Trianthema portulacastrum; Germination/seedling growth; Suppression.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582011000100014
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Effects of ractopamine plus amino acids on growth performance, carcass characteristics, meat quality, and ractopamine residues of finishing pigs Ciencia e Investigación Agraria
Elmes,Claudia A; Bustamante,Ociel H; González,Fernando G; Larraín,Rafael E; Gandarillas,Mónica.
The aim of the study was to evaluate the effects of adding ractopamine (RAC) and amino acids (AA) to the diet on growth performance, carcass characteristics, commercial cuts yield, meat quality and residues in liver and muscle. Ninety-two crossbred castrated pigs (97.96 ± 2.32 kg) were randomly assigned to one of two dietary treatments: a Control diet with 0 mg kg-1 of RAC and a RAC+AA diet with 10 mg RAC kg-1, for the last 27 days. Pigs of RAC+AA group had greater average daily gain (ADG), gain to feed ratio (G:F) and final bodyweight (P≤0.05) and tended to have lower average daily feed intake (ADFI) (p=0.084) than Control pigs. Carcasses from RAC+AA animals were heavier than controls (P≤0.05). Dressing percentage and backfat depth...
Tipo: Journal article Palavras-chave: Carcass measurements; Finishing pigs; Meat cuts; Meat quality; Ractopamine; Residues.
Ano: 2014 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202014000300002
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Effects of wine grape cultivar, application conditions and the winemaking process on the dissipation of six pesticides Ciencia e Investigación Agraria
Alister,Claudio; Araya,Manuel; Morandé,Jose E; Volosky,Christian; Saavedra,Jorge; Cordova,Andrés; Kogan,Marcelo.
Pesticide residue in primary products is an important issue for producers and consumers, even though little information is available on the effect of application conditions on residue persistence and the transfer to primary elaborated products. During the 2012 season, field and laboratory studies were conducted to determine the dissipation of lambda-cyhalothrin, buprofezin, pyrimethanil, tebuconazole, imidacloprid and acetamiprid in Sauvignon blanc and Pinot Noir cultivars and their residue dynamics during the winemaking process. Half-life values (DT50) for each pesticide applied alone and as a tank mix of all pesticides were similar and had averages of 6.4, 14.0, 19.7, 26.0, 14.5 and 13.4 days for lambda-cyhalothrin, buprofezin, pyrimethanil,...
Tipo: Journal article Palavras-chave: Pre-harvest interval; Residues; Transfer factor; Wine.
Ano: 2014 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202014000300010
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High performance liquid chromatographic screening and gas chromatography-nass spectrometry confirmation of tebuthiuron residues in drinking water. Infoteca-e
BONATO, P. S.; LANCHOTE, V. L.; DREOSSI, A. de C..
Tebuthiuron (N-[5-(1,1-dimethylethyl)-1,3,4-thiadiazol-2-yl]-N,N-dimethylurea) is a phenylurea herbicide used in sugar cane culture for the pre- and post-emergence control of weeds [1,2]. Analysis of tebuthiuron (Figure 1) and of other phenylurea herbicides in environmental samples can be performed by HPLC [3-10], or by gas chromatography using selective detectors such as nitrogen-prosphorus detector (NPD), eletron-capture detector (ECD), or a mass spectrometer (MS) [11-16]. Although Loh et al [17] reported that the use of temperatures above 280oC permits quantitative tebuthiuron breakdown, thus permitting the analysis of the products of decomposition formed, methods based on gas chromatography usually involve a derivatization step to permit analysis of...
Tipo: Fôlder / Folheto / Cartilha (INFOTECA-E) Palavras-chave: Analysis; Contamination; Residues; Calibration; Environmental impact; Groundwater; Herbicides; Quality control.
Ano: 1999 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/13136
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In situ and in vitro degradation kinetics and prediction of the digestible neutral detergent fiber of agricultural and agro-industrial byproducts R. Bras. Zootec.
Azevêdo,José Augusto Gomes; Valadares Filho,Sebastião de Campos; Detmann,Edenio; Pina,Douglas dos Santos; Paulino,Mário Fonseca; Valadares,Rilene Ferreira Diniz; Pereira,Luiz Gustavo Ribeiro; Lima,Jéssika Carolina Moutinho.
The objective of this study was to evaluate the in situ and in vitro degradation kinetics and to predict the digestible neutral detergent fiber (dNDF) from the incubation times; in situ and in vitro degradation kinetic parameters; and equations fitted for agricultural and agro-industrial byproducts. Byproducts from pineapple, cocoa, palm kernel, corn gluten meal, common bean, sunflower, guava, cassava bark, cassava stems, cassava foliage, papaya, mango, passion fruit and turnips were evaluated. There were differences between the byproducts as for the potentially neutral detergent fiber (NDF) fraction and the in situ NDF degradation rate in the final volume of the gases generated by fibrous carbohydrates (FC), for the lag time and for the in vitro...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Fibrous carbohydrates; Gas production; Residues; Rumen degradability.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000800013
Registros recuperados: 37
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