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Bayesian analysis for comparison of nonlinear regression model parameters: an application to ruminal degradability data R. Bras. Zootec.
Rossi,Robson Marcelo; Martins,Elias Nunes; Guedes,Terezinha Aparecida; Jobim,Clóves Cabreira.
This paper shows the Bayesian approach as an alternative to the classical analysis of nonlinear models for ruminal degradation data. The data set was obtained from a Latin square experimental design, established for testing the ruminal degradation of dry matter, crude protein and fiber in neutral detergent of three silages: elephant grass (Pennisetum purpureum Schum) with bacterial inoculant or enzyme-bacterial inoculant and corn silage (Zea mays L.). The incubation times were 0, 2, 6, 12, 24, 48, 72 and 96 hours. The parameter estimates of the equations fitted by both methods showed small differences, but by the Bayesian approach it was possible to compare the estimates correctly, that does not happen with the frequentist methodology because it is much...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bayesian inference; Degradability; Nonlinear models.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982010000200027
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Bromatological characteristics and ruminal digestibility of grain corn hybrids with different vitreousness in silage maturity Agronomy
Rossi, Evandrei Santos; Faria, Marcos Ventura; Mendes, Marcelo Cruz; Neumann, Mikael; Gabriel, André; Del Conte, Murilo Viotto.
The aim of this research was to evaluate vitreousness in commercial corn hybrids with flint and dent grains and to study the effect of this characteristic on agronomic behavior, nutritional value, and ruminal degradability of grains harvested in silage maturity. Twelve commercial corn hybrids were evaluated. They were divided in two groups (six with flint grains and six with dent grains). The experiments were conducted in two municipalities represented by Guarapuava and Laranjeiras do Sul, both in Paraná State. The harvest for the grain quality analysis was performed at ¾ of the milk line stage in the grain. The following characteristics were evaluated: grain yield, grain yield in silage maturity, vitreousness, ruminal digestibility of grain, neutral...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Agronomia; Produção Vegetal endosperm; Protein matrix; Degradability; Grain texture; Zea mays L. Vitreosidade em grãos de milho.
Ano: 2016 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/28703
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Cinética de degradação ruminal da proteína de forrageiras do semi-árido brasileiro em caprinos. Repositório Alice
VASCONCELOS, V. R.; RESENDE, K. T.; PIMENTEL, J. C. M.; CARVALHO, F. F. R. de; RIBEIRO, V. Q.; DORIGAN, C.J..
Resumo: Determinou-se as diferentes degradabilidades da proteina de acordo com suas atividades de degradacao e passagem calculadas segundo metodologia proposta pelo AFRC (1995), utilizando-se as fracoes soluveis(A), potencialmente degradavel(B), indegradavel(C) e a taxa de degradacao da fracao B (C), parametros da equacao de ORSKOV & McDONALD (1979). A concentracao de proteina bruta e do nitrogenio insoluvel em detergente acido foram determinados segundo SILVA (1990). Os fenos de sabia (Mimosa caesalpinifolia) e jurema preta (Mimosa atenuifolia) apresentaram baixo potencial de degradacao ruminal da PB e os fenos de catingueira (Caesalpinia bracteosa) e leucena (Leucaena leucocephala) percentuais elevados de proteina degradada no rumen, podendo ser...
Tipo: Artigo em anais de congresso (ALICE) Palavras-chave: Degradabilidade; Caesalpinia bracteosa; Mimosa atenuifolia; Mimosa caesalpinifolia; Brasil; Ceará; Degradability; Brazil; Caprino; Proteina; Feno; Sabiá; Jurema preta; Catingueira; Leucaena leucocephala; Leucaena; Goats; Protein; Hay; Semiarid zones.
Ano: 1997 URL: http://www.alice.cnptia.embrapa.br/handle/doc/514952
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Degradabilidade ruminal do amido de silagem de milho, farelo de soja e sorgo grão, em bovinos da Raça Nelore. Repositório Alice
ROSSI JÚNIOR, P.; BOSE, M. L. V.; BOIN, C.; SILVA, A. G. da; WANDERLEY, R. da C..
Empregou-se a técnica da degradação in situ, com sacos de nailon, utilizando-se quatro animais Nelores com peso acima de 520kg e idade aproximada de 36 meses.
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Bovinos; Gado Nelore; Degradabilidade; Bovidae; Nellore; Degradability.
Ano: 1997 URL: http://www.alice.cnptia.embrapa.br/handle/doc/43966
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Efeito dos niveis do feno de manicoba, sobre a degradabilidade da fibra em detergente neutro. Repositório Alice
VASCONCELOS, M. A. B. de; BATISTA, A. M. V.; ARAUJO, G. G. L. de; CARVALHO, F. F. R. de; FERREIRA, M. de A..
Foram utilizados tres ovinos fistulados no rumen, com peso medio de 41,0 kg, com o objetivo de avaliar efeito do feno da Manicoba em duas dietas sobre a degradabilidade da fibra em detergente neutro. O modelo utilizado para analise de variancia foi de blocos casualizados com parcelas subdivididas degradabilidade da fibra em detergente neutro (FDN), os resultados da analise de variancia nao comprovaram diferen?a significativa entre as duas dietas e mostraram diferenca fortemente significativa entre os tempos de a interacao dieta x tempo de incubacao tambem nao se comprovou diferenca significativa. O efeito da dieta sobre as fracoes B, C e c, encontradas nao apresentou diferenca para o componente FDN. Conclui-se que a degradabilidade potencial da FDN do feno...
Tipo: Artigo em anais de congresso (ALICE) Palavras-chave: Detergente neutro; Efeito; Fibre; Degradability; Caatinga; Carneiro; Digestibilidade; Feno; Fibra; Maniçoba; Nutriente; Ovino; Digestibility; Hay; Lambs; Nutrients; Sheep.
Ano: 2001 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/134440
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Effects of lines and inoculants on nutritive value and production costs of triticale silages R. Bras. Zootec.
Sucu,Ekin; Çifci,Esra Aydoğan.
ABSTRACT The current study was undertaken to investigate the ensilage characteristics in triticale lines treated by inoculants and their interaction on fermentation metabolites and rumen degradability. Costs were estimated for growing and feeding whole-crop triticale lines for animal production. Triticale hybrids were harvested at the dough stage of maturity (38% dry matter, DM). Plants were chopped approximately 2 cm after harvest and then treated with inoculants and were ensiled in 1.5-L mini laboratory silos. Two lactic acid bacterial inoculants with enzymes (LAB+enzymes I: Pediococcus acidilactici, Lactobacillus plantarum, and Streptococcus faecium with cellulase, hemicellulase, pentosanase, and amylase; LAB+enzyme II: P. acidilactici, L. plantarum,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Cost; Degradability; Enzymes; Fermentation; Lactic acid bacteria; Triticale lines.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982016000700355
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In situ Rumen Degradation Kinetics of High-Protein Forage Crops in Temperate Climates Chilean J. Agric. Res.
Valderrama L.,Ximena; Anrique G.,René.
The present study was conducted to evaluate the nutritional value and in situ degradation kinetics of eight high protein forage crops: alfalfa (Medicago sativa L.), forage oat (Avena sativa L.), mixed pasture, and ryegrass (Lolium multiflorum Lam.) pasture in early vegetative stages, two forage lupins (Lupinus albus L.) in early bloom stages, sugar beet (Beta vulgaris L.) and kale (Brassica napus var. pabularia (DC.) Rchb.) leaves at root maturity. Dry matter (DM) and crude protein (CP) degradation kinetics were evaluated by the nylon bag technique through the in situ procedure described by 0rskov and MacDonald (1979) using three ruminally cannulated sheep. Chemical composition of the forage crops showed on average 13.7% DM; 21.4% CP; 31.5% neutral...
Tipo: Journal article Palavras-chave: Rumen; Forage; Rate of passage; Chemical composition; Degradability.
Ano: 2011 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392011000400012
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In vitro degradation and total gas production of byproducts generated in the biodiesel production chain. Repositório Alice
MORAIS, R. K. O. de; SILVA, A. M. de A.; BEZERRA, L. R.; CARNEIRO, H.; MOREIRA, M. N.; MEDEIROS, F. F. de.
This study aimed to evaluate the in vitro degradation and total gas production of different oil seed press cakes from a biodiesel production chain gas through the use of a semi-automatic technique of gas production in vitro. The treatments consisted of substituting elephant grass in increasing levels, 0%, 30, 50 and 70%, with the byproducts of Gossyypium hirsutum, Ricinus communis, Moringa oleifeira, Jatropha curcas and Helianthus annus. The oil seed press cakes of Moringa oleifeira had the highest rate of in vitro degradation of dry matter compared with other foods but did not result in a higher final volume of gases production. Gossyypium hirsutum, Pinhão manso curcas and Ricinus communis showed a higher in vitro degradability of similar dry matter. The...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Degradability; Gossypium hirsutum; Greenhouse gases; Ricinus communis; Ruminal fermentation.
Ano: 2015 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1037397
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In vitro rumen fermentation and effect of protein fractions of canola meals on methane production Scientia Agricola
Ramirez-Bribiesca,Jacinto Efrén; McAllister,Tim; Ungerfeld,Emilio; Ortega-Cerrilla,María Esther.
ABSTRACT: Canola provides oil for human consumption and a by-product from the extraction of its oil canola meal (CM), is used as a good quality protein and lipid supplement for ruminants. The aim of this study was to determine the chemical composition and fermentation profile associated with the potential for methane production of three types of CM: solvent-extracted CM of Brassica napus (CMBN), B. juncea (CMBJ) and cold press-extracted CM from B. napus (CPCM) used to feed ruminants. The protein content of canola meal ranged from 36 to 41 %. The acid and neutral detergent insoluble in nitrogen ranged from 1 to 2 % and 4 to 5 %, respectively. The lipid content of canola meal samples ranged from 2 % (CMBN, CMBJ) to 14 % (CPCM). In vitro, dry matter...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Brassica napus and juncea; Degradability; Ruminants.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162018000100012
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In vitro rumen fermentation kinetics of diets containing oldman saltbush hay and forage cactus, using a cattle inoculum. Repositório Alice
TOSTO, M. S. L.; ARAÚJO, G. G. L.; PEREIRA, L. G. R.; HENRIQUES, L. T.; MENEZES, D. R.; BARBOSA, A. M.; ROMÃO, C. O..
2015
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Atriplex nummularia; Degradability; Forages; Opuntia ficus indica.
Ano: 2015 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1035373
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In vitro rumen fermentation kinetics of diets containing oldman saltbush hay and forage cactus, using a cattle inoculum Arq. Bras. Med. Vet. Zootec.
Tosto,M.S.L.; Araújo,G.G.L.; Ribeiro,L.G.P.; Henriques,L.T.; Menezes,D.R.; Barbosa,A.M.; Romão,C.O..
The aim of this experiment was to evaluate, by means of the semi-automated in vitro gas production technique, fermentation kinetics of carbohydrates and degradability of dry matter (DM) and organic matter (OM) of diets containing oldman saltbush hay levels (8.4; 18.8; 31.2 and 48.3%) associated to forage cactus in natura. Pressure readings of the gases were done with a pressure transducer at 2, 4, 6, 8, 10, 12, 17, 20, 24, 28, 34, 48, 72 and 96h post-inoculation. The rumen kinetics was described by the following parameters: maximum potential of gas production, lag time and production rates of gas (k), fibrous carbohydrates (FC) and non-fibrous carbohydrates (NFC). It could be observed that the addition of oldman saltbush hay to the diets promoted a...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Atriplex nummularia; Degradability; Forages; Opuntia ficus indica.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352015000100149
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Inclusion of crude glycerin with different roughages changes ruminal parameters and in vitro gas production from beef cattle Ciência Rural
Paschoaloto,Josimari Regina; Ezequiel,Jane Maria Bertocco; Almeida,Marco Túlio Costa; Fávaro,Vanessa Ruiz; Homem Junior,Antonio Carlos; Carvalho,Vanessa Barbosa de; Perez,Henrique Leal.
ABSTRACT: The increasing availability of crude glycerin from biodiesel production has generated great stock in the industries. To solve this problem, crude glycerin is being used as an energy source to replace corn in livestock diets. This study evaluated the effects of the association of crude glycerin (10% on DM of diets) with different roughages in Nellore cattle diets on ruminal pH and ammonia, degradability, digestibility of dry matter and nutrients, and greenhouse gas production. Six ruminally cannulated Nellore steers were assigned to a 6×6 Latin square design. The following treatments were evaluated: Hydrolyzed Sugarcane associated or not with crude glycerin, Corn Silage associated or not with crude glycerin or Tifton-85 Hay associated or not with...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Biodiesel; Byproducts; Degradability; Digestibility..
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782016000500889
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Potential and restrictions of Poincianella pyramidalis (Tul.) L. P. Queiroz as native forage in the Brazilian semi-arid region Animal Sciences
França, Andrezza Araújo de; Silva, Divan Soares da; Fechine, Josean Tavares; Sousa, Francinilda Alves de; Andrade, Alberício Pereira de; Lichston, Juliana Espada.
Poincianella pyramidalis (catingueira) is a endemic plant of the Caatinga, selected by animals grazing on native pasture. With the aim of evaluating characteristics indicative of its nutritional quality, 10 plants were selected and identified, sampled at five different ages, were used to determine dry matter (DM), crude protein (CP), neutral detergent fibre (NDF), mineral matter (MM), DM degradability (Deg DM), NDF degradability (Deg NDF) and in situ and in vitro leaf-tissue degradability. Phytochemical prospection was performed, and 1H and 13C nuclear magnetic resonance applied to detect the presence of secondary compounds. The data were submitted to analysis of variance and Tukey’s test at 5%, and correlation analysis was carried out on the variables for...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Degradability; Native forage; Nutrients; Plant defence; Tannins..
Ano: 2019 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/47460
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Potential of wet blue leather waste for ruminant feeding R. Bras. Zootec.
Silva,Rodrigo Carvalho; Resende Júnior,João Chrysostomo de; Lima,Ronaldo Francisco de; Sousa,Raimundo Vicente de; Oliveira,Luiz Carlos Alves de; Daniel,João Luiz Pratti; Moreira,Anselmo de Oliveira.
The objective of this study was to find an alternative to minimize environmental contamination by leather waste using it as ruminant feed. The wet blue leather wastes (WB) without chrome extraction were compared with the leather wastes in which the chrome was extracted (CE). Both materials had 99.7% of dry matter (DM), but the crude protein level was higher (90.4%) in CE than in WB (74.3%). In situ effective ruminal degradability of DM was 59.7% and it was 63.1% for CP in CE. The WB did not suffer degradation in the rumen. In vitro abomasal digestibility of CE was 100%. The percentage of degradation per hour was higher for CE (8.2%) than for WB (0.08%). The mineral content was higher in wet blue leather wastes (10.4%) than in CE (0.4%) reflecting the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Animal feed; Degradability; Digestibility; Environment.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000400033
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Qualitative and anatomical characteristics of tree-shrub legumes in the Forest Zone in Pernambuco state, Brazil R. Bras. Zootec.
Silva,Mônica Alixandrina da; Santos,Mércia Virginia Ferreira dos; Lira,Mario de Andrade; Dubeux Júnior,José Carlos Batista; Silva,Dulciene Karla de Andrade; Santoro,Kleber Régis; Leite,Paulo Marcio Barbosa de Arruda; Freitas,Erinaldo Viana de.
The objective of this study was to characterize the nutritional value of forage legumes Mimosa caesalpiniifolia (Benth.), Bauhinia cheilantha (Bong.) and Leucaena leucocephala (Lan.) and evaluate the anatomy of plants incubated and not incubated in the rumen. The experiment was conducted from September 2007 to November 2008. The experimental plot consisted of three useful plants, totaling three plots per block, and four repetitions. Plants were cut at 1 m height at intervals of 70 days; samples of leaf plus stem with a diameter smaller than 4 mm were collected for determination of dry matter, crude protein, neutral detergent fiber, acid detergent fiber, insoluble protein bound to acid detergent fiber and in vitro dry matter digestibility. The anatomical...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Anatomy; Chemical composition; Degradability; Native forage.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012001200003
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อิทธิพลของการเสริมกากเม่าต่อการย่อยสลายและผลผลิตแก๊สในหลอดทดลอง Thai Agricultural
Pongsatorn Gunun; Nirawan Anantasook; Metha Wanapat; Srisuda Sirilaophaisan; Walailuck Kaewwongsa; Sudarat Sakunkhu; Kessara Ampaporn; Chalermpon Yuangklang.
This experiment aimed to investigate the effect of Mao pomace (MP) levels on degradability and rumen gas production using in vitro gas production techniques. The experiment was designed by a completely randomized design (CRD). The dietary treatments were supplemented by MP at 0, 4, 8, 12, 16 and 20 mg with 0.5 g of roughage and concentrate ratio at 60:40. It was found that gas production from the insoluble fraction (b) had no effect (p>0.05) by MP supplementation, while potential extent of gas production (a+b) and gas production rate (c) were significantly different among treatments. Cumulative gas production at 96 h was not affected by MP supplementation (p>0.05). Moreover, in vitro dry matter degradability (IVDMD) was not different among groups...
Tipo: PhysicalObject Palavras-chave: Mao pomace; Antidesma thwaiteaianum; Animal feeding; Chemical composition; Nutritive value; Beef cattle; Degradability; Rumen gas production; Gas production technique; Digestion; กากเม่า; กากเนื้อเม่ารวมเมล็ด; การเสริมอาหาร; องค์ประกอบทางเคมี; คุณค่าทางโภชนะ; โคเนื้อ; กระเพาะรูเมน; เทคนิคผลผลิตแก๊ส; แก๊สมีเทน; ความสามารถในการย่อย; การย่อยอาหาร.
Ano: 2014 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5760
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飼料摂叔量がルーメン内における蛋白質の分解性に及ぼす影響 OAK
Mizuno, Tohru; Okamoto, Meiji; Maeng, W. J.; 水野, 徹; 岡本, 明治; 孟, 元在; 吉田, 則人; Yoshida, Norihito.
Palavras-chave: Degradability; Feed intake; Formaldehyde; Nylon Bags.
Ano: 1988 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/1547
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