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| Registros recuperados: 197 | |
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| Maciel,Raylon Pereira; Neiva,José Neuman Miranda; Araujo,Vera Lúcia de; Cunha,Odislei Fagner Ribeiro; Paiva,Joseilson; Restle,João; Mendes,Clayton Quirino; Lôbo,Raimundo Nonato Braga. |
| Objetivou-se avaliar os efeitos da inclusão de torta de dendê na dieta sobre o consumo, a digestibilidade das dietas e o desempenho de novilhas leiteiras. Utilizaram-se 16 novilhas leiteiras mestiças Holandês × Zebu, com média de 13 meses de idade e peso vivo inicial de 183,4±32,5 kg, distribuídas em delineamento inteiramente casualizado, com quatro níveis de torta de dendê (0; 11,9; 22,9 e 34,2% da matéria seca total), cada um com quatro repetições. Avaliaram-se os consumos de matéria seca (MS), proteína bruta (PB), fibra em detergente neutro (FDN), carboidratos não-fibrosos (CNF), extrato etéreo (EE) e nutrientes digestíveis totais (NDT) e as digestibilidades aparentes da MS, PB, FDN, CNF e EE. Houve redução linear no consumo de MS, PB, FDN, CNF e NDT. A... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Biodiesel; Elaeis guineensis; Ganho de peso vivo; Subproduto; Subprodutos do biodiesel; Valor nutritivo. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000300033 |
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| Berenchtein,Bernardo; Costa,Leandro Batista; Braz,Débora Barbosa; Almeida,Vivian Vezzoni de; Tse,Marcos Livio Panhoza; Miyada,Valdomiro Shigueru. |
| Objetivou-se avaliar três níveis de utilização de glicerol (0, 3, 6 e 9%), um subproduto da produção de biodiesel, na dieta de suínos em crescimento e terminação sobre o desempenho, as características de carcaça e a qualidade da carne desses animais. Foram utilizados 64 animais Topigs com peso inicial de 33,27 ± 4,66 kg, distribuídos em 32 baias de acordo com o peso inicial, em um delineamento em blocos casualizados com oito repetições (blocos) por nível de glicerol. Em cada uma das três fases - crescimento 1 (33,27 a 65,00 kg), crescimento 2 (65,00 a 85,00 kg) e terminação (85,00 a 99,97 kg) -, os animais receberam rações isonutritivas e água à vontade. Ao atingirem o peso vivo médio de 99,97 ± 1,92 kg, os animais foram abatidos e as carcaças avaliadas... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Biodiesel; Carcaça; Carne; Desempenho; Subproduto. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982010000700014 |
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| Santana Júnior,Hermógenes Almeida de; Figueiredo,Mauro Pereira; Cardoso,Elizangela Oliveira; Mendes,Fabrício Bacelar Lima; Abreu Filho,George; Pinheiro,Alyson Andrade; Viana,Pablo Teixeira; Roseira,João Paulo Santos. |
| The objective of this study was to evaluate the nutritional and productive characteristics of primiparous lactating cows grazing on tropical pasture, using different levels of crude glycerin in the supplement. The experiment was conducted at Rancho Santana farm, located in Jequié city, Bahia, Brazil, in the period from December 21, 2010 to March 16, 2011. Ten ¾ Holstein × ¼ Dairy Gyr lactating primiparous cows, with 109±24 days of lactation and a mean age of 30±6 months and mean body weight of 426.2±68.29 kg were distributed into five treatments, using two simultaneous 5 × 5 latin squares. Treatments consisted of inclusion levels (0, 94, 191, 289, 389 g/kg dry matter basis) of crude glycerin in the supplement. Intake, digestibility, milk production and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Biodiesel; Co-product; Glycerol; Intake; Supplementation. |
| Ano: 2013 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982013000200006 |
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| Orrico Junior,Marco Antonio Previdelli; Velazquez Duarte,José Augusto; Crone,Carla; Neves,Franciely de Oliveira; Reis,Ricardo Andrade; Orrico,Ana Carolina Amorim; Schwingel,Alice Watte; Vilela,Danielle Marques. |
| ABSTRACT The objective of this study was to evaluate fermentation losses and the nutritional value of silage of Brachiaria brizantha cv BRS Piatã ensiled with different levels of crude glycerin. The experiment followed a 4 × 2 completely randomized factorial design with four doses of crude glycerin (0, 100, 200, and 300 g kg–1 of DM silage) and two cutting ages (45 and 60 days) with four replicates per treatment (silos). The parameters of dry matter losses, effluents losses, gas losses, pH, microbial population, and nutritional value of the silage were evaluated. There was no difference in pH among the tested doses of crude glycerin. However, reductions in dry matter and gas losses were observed as a function of crude glycerin doses. Bacterial populations... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Biodiesel; Byproduct; Forage conservation; Glycerol; Ruminants. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982017000800638 |
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| Verussa,Guiomar Helena; Corassa,Anderson; Pina,Douglas dos Santos; Ton,Ana Paula Silva; Komiyama,Cláudia Marie; Teixeira,Alexandre de Oliveira. |
| ABSTRACT The objective of this study was to determine the nutritional value of glycerin for pigs using different inclusion levels of this test ingredient and the methodologies of total collection and chromium oxide marker. Eight barrows were distributed individually into metabolic cages, in a randomized-block experimental design, and fed diets containing 0, 50, 100, and 150 g kg−1 plant-derived crude glycerin. The feed digestibility methodologies of total feces and urine collection and chromium oxide marker were analyzed. Inclusion of up to 150 g kg−1 crude glycerin improved the digestibility coefficients of organic matter and energy of the diets. The collection method based on the use of chromium oxide marker underestimates the digestibility coefficient... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Biodiesel; Digestibility; Glycerol; Marker; Metabolizability; Total feces collection. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982017000700584 |
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| Orrico Junior,Marco Antonio Previdelli; Schwingel,Alice Watte; Centurion,Stanley Ribeiro; Orrico,Ana Carolina Amorim. |
| ABSTRACT The objective of this research was to evaluate the performance of anaerobic co-digestion of swine excreta associated with increasing doses of crude glycerin and different hydraulic retention times (HRT). A completely randomized design was adopted in a 3 × 4 factorial arrangement composed of three HRT (10, 17, and 24 days) and four crude glycerin doses (0, 5, 10, and 15 g/100 g of total solids [TS]), with four replications per treatment. The assessed parameters were: biogas production potential, reductions of volatile solids (VS), chemical oxygen demand (COD), and most probable number of total and thermotolerant coliforms. The biogas production per added VS presented quadratic effect at 17 and 24 days of HRT, with ideal doses of 5.5 and 5.9 g of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Biodiesel; Biogas; Manure; Waste. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982016000300101 |
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| Almeida,Vitor Visintin Silva de; Silva,Robério Rodrigues; Queiroz,Augusto César de; Oliveira,Aline Cardoso; Silva,Fabiano Ferreira da; Abreu Filho,George; Lisboa,Mateus de Melo; Souza,Sinvaldo Oliveira de. |
| The objective of this study was to evaluate the economic returns of crossbred calves grazing on pastures formed by Urochloa brizantha fed crude glycerin as a supplement. Thirty-six crossbred calves with initial average weight of 301.5 kg were distributed in a completely randomized design with four treatments and nine replicates per treatment. The animals were maintained on rotational grazing production of Urochloa brizantha cv. Marandu. The tested treatments were 0.0, 3.33, 6.66 and 9.99% inclusion of crude glycerin in the total dry matter as a substitute for corn. The production of meat was not altered by the inclusion of glycerin in the diet. The inclusion of glycerin caused a reduction of up to 14.93% in the price of the concentrate. There was a... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Beef cattle; Biodiesel; Byproducts; Weight gain. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982014000700382 |
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| Maciel,Raylon Pereira; Neiva,José Neuman Miranda; Restle,João; Miotto,Fabrícia Rocha Chaves; Sousa,Luciano Fernandes; Cunha,Odislei Fagner Ribeiro; Moron,Sandro Estevan; Parente,Ranniere Rodrigues Pereira. |
| ABSTRACT The objective of the study was to assess the effects of including 0, 79.8, 159.8, and 240.0 g kg-1 crude glycerin in the total diet dry matter on the 84 days feedlot performance, nutrient digestibility, blood parameters, and carcass characteristics of crossbred dairy steers. Experimental diets were composed of 98.5 g kg-1 of sorghum silage and 901.5 g kg-1 of concentrate. Twenty-four crossbred dairy steers (337.3±39.8 kg body weight and 15 months of age) were distributed in a completely randomized design with four treatments and six replicates. The intake and digestibility of the dry matter and nutrients were not altered by including crude glycerin in the diet. Crude glycerol levels did not affect the final weight (430.2 kg), daily weight gain... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Biodiesel; Byproducts; Carcass yield; Dairy males; Weight gain. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982016001100677 |
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| Oliveira,André Soares de; Schwambach,Thiago Ivan; Sinhorin,Adilson Paulo; Oliveira,Márcia Rodrigues Carvalho; Alessi,Karine Claudia; Oliveira Filho,Francisco Antônio de; Pina,Douglas dos Santos. |
| The objective of this study was to evaluate the capacity of the ensilage of Jatropha curcas L. expeller cake to reduce the phorbol esters and its effect on fermentative losses, by adding soluble carbohydrates or microbial inoculants. The design was completely randomized with four replications in a 3 × 2 factorial arrangement, with three sources of soluble carbohydrates (SC, control, 50 g sucrose/kg or 50 g crude glycerin/kg as fed) and two doses of microbial inoculants (MI, 0 or 5 × 10(5) ufc Lactobacillus plantarum + 3.33 × 10(5) ufc Propionibacterium per g as fed). Twenty-four mini-silos (982 cm³) of polyvinyl chloride were created and opened after 60 days of fermentation at room temperature. The pre-hydrated Jatropha curcas L. cake (282 g of water/kg)... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Additives; Biodestoxification; Biodiesel; Co-products; Glycerin. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000600032 |
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| Urbano,Stela Antas; Ferreira,Marcelo de Andrade; Maciel,Maria Inês Sucupira; Dutra Júnior,Wilson Moreira; Andrade,Rafael de Paula Xavier de; Silva,Daniel Cézar da. |
| The effects of replacing Tifton hay with castor bean hulls (0, 33, 66 and 100%) on the leg tissue composition, chemical composition, physicochemical parameters and sensorial traits of sheep meat were studied. A total of 28 non-castrated sheep averaging seven months in age with an average initial weight of 19.5±4.3 kg were assigned to a randomized block design with four treatments and seven replicates and were slaughtered after 70 days of confinement. At slaughter, body weight and leg, muscle and bone weights decreased linearly, whereas the muscle-to-bone ratio increased linearly according to the treatments. There was a quadratic effect on yellow intensity (maximum of 8.05 with replacement of 54.5%) and the percentage of cooking losses (minimum of 33.8%... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Biodiesel; Lamb; Sensory attribute; Tissue component. |
| Ano: 2013 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982013001000010 |
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| Carvalho,Paulo Levi de Oliveira; Moreira,Ivan; Martins,Elias Nunes; Piano,Liliane Maria; Toledo,Juliana Beatriz; Costa Filho,Clodoaldo de Lima. |
| Two experiments were carried out to determine the nutritional value and to evaluate performance of piglets fed two types of crude glycerine (CG), which were made from vegetable oil (CGS) and a mix of animal fat + % soybean oil (CGA). In experiment I, a digestibility assay was conducted using 32 crossbred piglets (19.20±1.52 kg). The experimental unit consisted of one pig, with a total of four experimental units per diet. The glycerine levels used in the digestibility assay were 4, 8, and 12% of the basal diet (corn + soybean based). The digestible (DE) and metabolizable energy (ME) values of glycerine were estimated by regression of DE and ME intake (kcal/kg) vs. glycerine intake (kg). The values (as-fed basis) of DE and ME (kcal/kg) obtained were: CGS =... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Biodiesel; Co-product; Digestibility; Glycerol. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000700014 |
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| Leite,Rafaeli Gonçalves; Corassa,Anderson; Ton,Ana Paula Silva; Komiyama,Claudia Marie; Amorim,Alessandro Borges; Kiefer,Charles. |
| ABSTRACT The objective of this study was to evaluate performance and carcass and meat characteristics of finishing pigs fed diets with different levels of glycerin, while maintaining the electrolyte balance. Forty barrows with an initial weight of 97.76±13.44 kg were distributed, in a randomized block design, into four treatments with five replicates. Treatments consisted of diets containing 0, 5, 10, and 15% glycerin. Inclusions of salt and sodium bicarbonate were adjusted to balance the sodium content and maintain the same electrolyte balance of the diets as a function of glycerin inclusions. In vivo backfat thickness, daily feed intake, daily weight gain, and feed conversion were measured. After the animals were slaughtered, pH and temperature were... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Biodiesel; Byproduct; Carcass quality; Glycerol; Meat quality. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982017000300211 |
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| Cardoso Neto,Sebastião Rodrigues; Resende,Osvaldo; Costa,Lilian Moreira; Oliveira,Daniel Emanuel Cabral de. |
| ABSTRACT The aim of this study was to assess the drying behavior and quality of crambe fruit seeds dried with natural air and submitted to different airflows in stationary dryers. Dryings were carried out in July and September 2014. The experiment consisted of three treatments of drying the crambe fruits with natural air in stationary dryers with airflows of 10.08, 15.05, and 25.03 m3 min−1 t−1 and a control treatment composed of crambe fruits with an initial moisture content without going through the drying process. After drying, tests of moisture content, germination, germination rate index, and electrical conductivity were performed in order to compare the treatments. The data were submitted to analysis of variance and mean comparison by the Tukey's... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Moisture content; Physiological quality; Biodiesel. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902018000400592 |
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| Furtado,Rafael Nogueira; Carneiro,Maria Socorro de Souza; Coutinho,Danielle Nascimento; Cândido,Magno José Duarte; Silva,Eranildo Brasil da. |
| ABSTRACT Fermentation and chemical composition of elephant grass silage was evaluated with 0, 10, 20 and 30% castor been hull based on the natural matter. The experimental design was completely randomized with five replications. Silos were weighed out during manufacture, and reweighed before and after the opening after storage for 30 days. We determined the chemical composition, specific mass and effluent and gas losses, dry matter recovery, pH and ammonia nitrogen of the silage. The specific mass, pH, dry matter content, crude protein, acid detergent fiber, total carbohydrates and cellulose increased linearly (P<0.05) with the inclusion of castor bean hull. Quadratic effect was observed for effluent and gas losses, ammonia nitrogen and non-fibrous... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Biodiesel; Byproduct; Forage conservation; Moisture absorbent; Ricinus communis L.. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902019000100140 |
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| Reis,Marcus Vinicius Magro; Damasceno Junior,Pedro Corrêa; Campos,Thaís de Oliveira; Diegues,Isabela Pereira; Freitas,Sidinea Cordeiro de. |
| A oleaginosa pinhão-manso (Jatropha curcas L.) tem se mostrado uma importante alternativa à produção de biodiesel no Brasil. Objetivando-se conhecer a variabilidade genética existente na Coleção de germoplasma da UFRRJ, e também identificar genótipos de desempenho superior, portadores de atributos importantes ao melhoramento, 60 acessos de J. curcas, aos três anos de idade, foram caracterizados a partir de 12 descritores morfo-agronômicos. A descrição indicou que as características produção de óleo e projeção da copa se mostraram como as de maior variabilidade genética, ao passo que os atributos intrínsecos às sementes apresentaram os menores valores de variação. A decomposição das correlações, via análise de trilha, evidenciou importantes associações... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Análise de trilha; Biodiesel; Melhoramento genético; Recursos genéticos; UPGMA. |
| Ano: 2015 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902015000200412 |
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| Santos,Roseane Cavalcanti dos; Freire,Rosa Maria Mendes; Lima,Liziane Maria; Zagonel,Giuliano Fernandes; Costa,Bill Jorge. |
| Linhagens de elite e cultivares de amendoim rasteiro foram avaliadas quanto às suas produtividades de grãos e de óleo, visando uma posterior indicação ao mercado de óleo comestível ou combustível. Os genótipos foram cultivados no período das águas, durante dois anos, em Barbalha, CE, sob o delineamento experimental de blocos ao acaso, com cinco repetições. A colheita foi efetuada entre 110 e 135 dias após o plantio. As variáveis analisadas foram produtividade em vagens, sementes e óleo. O óleo bruto foi extraído aplicando-se a tecnologia convencional de soxhlet, utilizando-se éter de petróleo como solvente. Posteriormente, procedeu-se às análises dos ácidos graxos por meio de cromatografia gasosa. Baseando-se nos ensaios de produção, os materiais de maior... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Arachis hypogaea; Estabilidade oxidativa; Óleo de amendoim; Biodiesel. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902012000100009 |
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| Siqueira,Valdiney Cambuy; Resende,Osvaldo; Chaves,Tarcísio Honório. |
| The jatropha has emerged on the world scene as a promising plant for the production of biodiesel. However, this crop still lacks the development of specific equipment for its processing, particularly post-harvest. Therefore, the aim of this work was to fit different mathematical models to experimental data obtained while drying jatropha fruits, and to recommend the one that best represents the facts. Jatropha fruit with a moisture content of 4.4 (kg moisture kg-1 dry matter) were subjected to drying in a greenhouse with forced air-ventilation at five temperature conditions: 45; 60; 75; 90 and 10 ºC and relative humidities of 14.5; 7.4; 3.8; 2.2 and 1.4%, respectively, until reaching a moisture content of 0.10 ± 0.005 (kg moisture kg-1 dry matter),with... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Biodiesel; Drying temperatures; Mathematical models. |
| Ano: 2013 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902013000200009 |
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| Araujo,Glacio Souza; Lopes,Dilliani Naiane Mascena; Santiago,Clarice da Silva; Silva,José William Alves da; Fernandes,Fabiano André Narciso. |
| ABSTRACT Microalgae are commonly used in aquiculture as feed for postlarval mollusks, fish and crustaceans because they are easy to grow, small in size, grow rapidly and have high levels of fatty acids. These microorganisms also accumulate high amounts of oil, which can be extracted and converted into biodiesel using chemical processes. In this work, freshwater microalgae Chlorella vulgaris was grown in the Live Food Production Laboratory (LABPAV/IFCE Aracati Campus), with urea (stock solution 1), triple superphosphate (stock solution 2) and vitamins (stock solution 3), in growth medium, in triplicate, using three different quantities of stock solutions 1 and 2, but with a constant amount of vitamins. The quantities of 0.5, 1 and 2 mL (T0.5, T1 and T2,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Biodiesel; Microalgae; Oil. |
| Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902020000100404 |
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| Schwingel,Alice Watte; Orrico,Ana Carolina Amorim; Orrico Junior,Marco Antonio Previdelli; Sunada,Natalia da Silva; Centurion,Stanley Ribeiro. |
| RESUMO O objetivo foi avaliar o desempenho da co-digestão anaeróbia de dejetos de suínos associados com crescentes doses de glicerina bruta, adotando-se diferentes tempos de retenção hidráulica (TRH). O delineamento utilizado foi inteiramente casualizado em esquema fatorial 3x4, três TRH (10; 17 e 24 dias) e quatro doses de glicerina bruta (0; 5; 10 e 15% dos sólidos totais), com quatro repetições por tratamento. Os parâmetros avaliados foram produção e potencial de produção de biogás, reduções de sólidos totais (ST), fibra em detergente neutro (FDN) e fibra em detergente ácido (FDA). A produção de biogás e potencial de produção apresentaram efeito quadrático nos TRH de 17 e 24 dias, evidenciando como doses ideais 4,09 e 5,63% de glicerina bruta,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Biodiesel; Resíduos; Suinocultura; Tempo de retenção hidráulica. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902016000400778 |
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| Furtado,Rafael Nogueira; Pompeu,Roberto Cláudio Fernandes Franco; Cândido,Magno José Duarte; Pereira,Elzânia Sales; Lopes,Marcos Neves; Rogério,Marcos Cláudio Pinheiro. |
| ABSTRACT The effect of substituting soybean meal (SM) with four levels (0, 33, 67 and 100%) of detoxified castor cake (DCC) on intake, nutrient digestibility and nitrogen balance was evaluated in uncastrated, male, crossbred sheep in a randomised complete block design with four treatments and five replications. There was a decreasing linear effect from the levels of substitution on dry matter (DM), organic matter (OM) and crude protein (CP) intake, total carbohydrates (TC), non-fibrous carbohydrates (NFC) and total digestible nutrients (TDN), and on DM, OM and TC digestibility, for reductions of 2.04, 1.70, 0.35, 1.56, 1.89 and 1.67 g dia-1 and 0.34, 0.53 and 0.51 g kg-1 DM respectively, for each 1% SM substituted with DCC. DMI and NDFap expressed, in %BW... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Biodiesel; Detoxification; Ricin; Ricinus communis; Nutritional value.. |
| Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902020000100412 |
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| Registros recuperados: 197 | |
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