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Registros recuperados: 26
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Ammoniated babassu palm hay in anglo-nubian goat diets Ciência e Agrotecnologia
Moreira,Antonia Leidiana; Alves,Arnaud Azevêdo; Moreira Filho,Miguel Arcanjo; Silva,Daniel Cézar da; Garcez,Bruno Spíndola; Vasconcelos,Vânia Rodrigues.
ABSTRACT Leaves of babassu may be used in diets for goats under maintenance, however, it is a low-quality roughage due to its high fiber content. The chemical treatment by ammonia causes reduction in the proportion of the cell wall, in addition to providing non-protein nitrogen for the microbial protein synthesis in the rumen. Babassu palm hay ammoniated with 4% urea (BHAU4%) was evaluated in this study as a substitute for guinea grass hay in the maintenance diets of goats in terms of intake, digestibility in vivo, and the partitioning of energy and nitrogen compounds. Twenty Anglo-Nubian male goats were used in a randomised block design with four treatments (diets containing 0, 33, 66, or 100% BHAU4%) and five replicates (animals/block). The chemical...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Digestibility in vivo; Guinea grass; Native forage; Nitrogen balance; Orbignya phalerata Mart.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542016000600688
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Apparent digestibility of diets with combinations of soybean hulls and coastcross (Cynodon sp.) hay offered to ram lambs Scientia Agricola
Araujo,Rafael Canonenco de; Pires,Alexandre Vaz; Susin,Ivanete; Urano,Fumi Shibata; Mendes,Clayton Quirino; Rodrigues,Gustavo Henrique; Packer,Irineu Umberto.
Soybean hulls (SH) are an alternative fiber source that may be used to maintain neutral detergent fiber (NDF) concentration while increasing the energy concentration of ruminant diets. The objective of this experiment was to determine the effects of replacing coastcross (Cynodon sp.) hay NDF by SH NDF on the apparent digestibility of nutrients and nitrogen balance of Santa Inês ram lambs. Twenty-four animals (42.5 ± 3.6 kg of body weight and six months old) were placed in metabolism crates and assigned in a randomized complete block design defined by body weight (BW). Experimental diets provided a similar concentration of NDF (52%) and crude protein (15%). Hay NDF from a 70% roughage-based diet was replaced with SH NDF by 33%, 67%, and 100%, resulting in...
Tipo: Info:eu-repo/semantics/article Palavras-chave: NDF; Hair sheep; Nitrogen balance; Santa Inês; Water intake.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162008000600003
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Chemical composition and metabolizable energy values of feedstuffs for broiler chickens R. Bras. Zootec.
Silva,Eliane Aparecida da; Albino,Luiz Fernando Teixeira; Rostagno,Horacio Santiago; Ribeiro Junior,Valdir; Vieira,Rodolfo Alves; Campos,Anastácia Maria de Araújo; Messias,Rodrigo Knop Guazzi.
The objective of this study was to estimate the values of apparent metabolizable energy and apparent metabolizable energy corrected for nitrogen balance and determine the chemical composition of the following feedstuffs: babassu meal, sunflower meal, corn gluten meal, babassu starch flour, meat and bones meal, beans, millet, cookies residue, pasta residue and bread-making residue. The traditional method of excreta collection was used with broilers in the period of 14 to 24 days of age, which were distributed in a completely randomized design with eleven treatments and six replicates of six birds each. Each feedstuff replaced the reference diet at levels of 30 or 40% depending on the type of feedstuff. Chicks were housed in cages fitted with trays to...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Agroindustrial residues; Metabolizable energy corrected; Nitrogen balance.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000300026
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Different true-protein sources do not modify the metabolism of crossbred Bos taurus × Bos indicus growing heifers R. Bras. Zootec.
Mota,Diego Azevedo; Messana,Juliana Duarte; Canesin,Roberta Carrilho; Fiorentini,Giovani; Pires,Alexandre Vaz; Berchielli,Telma Teresinha.
The present study was conducted to investigate the effect of alternative true-protein sources to soybean meal, with different ruminal degradability, using a sugarcane-based diet, on nutrient digestion, ruminal fermentation, efficiency of microbial protein synthesis and passage rate in prepubertal dairy heifers. Eight crossbred rumen- and duodenum-cannulated Holstein × Gyr dairy heifers (202.0±11.5 kg BW) were evaluated in a 4 × 4 Latin square experimental design with four treatments and four periods in two simultaneous replicates. Dietary treatments were: soybean meal; cottonseed meal; peanut meal; and sunflower meal. When associated with diets containing sugarcane, the different protein sources did not affect intake or digestibility of dry mater, crude...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Microbial synthesis; Nitrogen balance; Rumen degradable protein; Sugarcane.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982015000200052
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Digestible tryptophan requirements of meat quails in the growth phase R. Bras. Zootec.
Ton,Ana Paula Silva; Furlan,Antonio Claudio; Martins,Elias Nunes; Batista,Eliany; Pasquetti,Tiago Junior; Toledo,Juliana Beatriz; Scherer,Carina; Saraiva,Lígia Melani.
The objective of this experiment was to estimate the digestible tryptophan (DTrp) requirements for growing meat quails. In the first experiment (1-14 days of age), 1,950 quails were distributed in a completely randomized design, with six levels of DTrp (0.27; 0.30; 0.33; 0.36; 0.39 and 0.42% of diet), five replications and 65 quails per experimental unit. There was a linear increase of feed intake, tryptophan intake, weight gain and body weight with the DTrp levels increase. In the second experiment (15-35 days of age), 1,350 quails were distributed in a completely randomized design, with six levels of DTrp (0.22; 0.25; 0.28; 0.31; 0.34 and 0.37% of diet), five replications and 45 quails per experimental unit. There was a linear increase for tryptophan...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Body composition; Nitrogen balance; Synthetic amino acids.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000500017
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Digestion of feed fractions and intake of heifers fed hydrolyzed sugarcane stored for different periods R. Bras. Zootec.
Missio,Regis Luis; Oliveira,Mauro Dal Secco de; Sforcini,Mariana Paula Rossi; Rennó,Francisco Palma; Freitas Júnior,José Esler; Elejade,Denise Adelaide Gomes; Ferrari,Viviane Borba; Abud,Guilherme de Carvalho.
The objective of this study was to evaluate, in Nellore heifers, intake and digestibility of hydrolyzed sugarcane stored for different periods. The experimental design used was a 4 × 4 Latin square, four diets, four Nellore heifers with ruminal cannulas (initial body weight 285.4±23.08 kg and average initial age 14 months) and four periods of 21 days. The diets were composed by fresh sugarcane (time zero) or hydrolyzed sugarcane with addition of 0.5% of hydrated lime, stored for 24, 48 or 72 hours, as the unique forage. Intake and digestibility of feed fractions, nitrogen balance, microbial synthesis efficiency, total number of ruminal protozoans and ammoniacal nitrogen did not significantly change by storing sugarcane with addition of 0.5% of hydrated...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Digestibility; Dry matter intake; Hydrated lime; Microbial protein; Nellore; Nitrogen balance.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000700025
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Effect of sorghum tannins in sheep fed with high-concentrate diets Arq. Bras. Med. Vet. Zootec.
Cabral Filho,S.L.S.; Abdalla,A.L.; Bueno,I.C.S.; Gobbo,S.P.; Oliveira,A.A.M..
The aim of this study was to evaluate the nutritional value of three sorghum cultivars with different concentrations of condensed tannins in sheep diets. Six adult sheep (LW=56kg) with rumen and duodenal fistulas were assigned to experimental groups using two 3x3 Latin Square designs. The diets were formulated using three sorghum cultivars: LTC (low-tannin cultivar), MTC (medium-tannin cultivar) and HTC (high-tannin cultivar). Microbial nitrogen (MN) concentration in the duodenum was measured using a 15N trace technique. LTC, MTC and HTC diets presented values of 788, 722 and 747 (SE=20.6) g kg-1 for dry matter digestibility and 633, 535 and 530 (SE=35.8) g/kg for crude protein digestibility. The LTC diet was significantly different from the other diets...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Feed evaluation; Microbial protein; Nitrogen balance; Rumen.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352013000600025
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Effects of polymer-coated slow-release urea on performance, ruminal fermentation, and blood metabolites in dairy cows R. Bras. Zootec.
Calomeni,Gustavo Delfino; Gardinal,Rodrigo; Venturelli,Beatriz Conte; Freitas Júnior,José Esler de; Vendramini,Thiago Henrique Annibale; Takiya,Caio Seiti; Souza,Heraldo Namorato de; Rennó,Francisco Palma.
ABSTRACTThe objective of this experiment was to quantify the effects of feeding polymer-coated slow-release urea on nutrient intake and total tract digestion, milk yield and composition, nutrient balances, ruminal fermentation, microbial protein synthesis, and blood parameters in dairy cows. Sixteen Holstein cows (580±20 kg of live weight (mean ± standard deviation); 90 to 180 days in milk (DIM); and 28 kg/d of average milk yield) were used in a replicated 4 × 4 Latin square experimental design. The animals were assigned to each square according to milk yield and DIM. The animals were randomly allocated to receive one of the following experimental diets: 1) control (without urea addition); urea (addition of 1% on the diet DM basis); polymer-coated slow...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Nitrogen balance; Nitrogen efficiency; Non-protein nitrogen.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982015000900327
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Evolution des caractéristiques chimiques et biologiques des sédiments en circuit clos. III. Bilan azoté de systèmes polytrophes ArchiMer
Chamroux, S.; Boucher, G..
The evolution of nitrogen content in experimental closed circuit ¿and filters was followed, each tank being fed with different quantities of soluble organic matter. According to the trophic conditions, two types of metabolism could be observed : - a loss of nitrogen (denitrification), reaching almost 90% of the nitrogen in­put in eutrophic conditions, and close to 35% in mesotrophic conditions. - a gain in nitrogen (fixation), a predominant metabolism in oligotrophic and eutrophic conditions. Nitrogen retention in the sediment increases slightly with the organic matter input, but no proportionality could be established. It seems that the sediment, by its bacterial metabolisms, regulates its own organic matter rich­ness.
Tipo: Text Palavras-chave: Circuit clos; S; Bilan azoté; Closed circuit; Sediment; Nitrogen balance.
Ano: 1979 URL: http://archimer.ifremer.fr/doc/00305/41654/40863.pdf
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Feed restriction of F1 Holstein × Zebu cows in the final third of lactation modifies intake, nutrient digestibility, feeding behavior, and performance R. Bras. Zootec.
Santana,Pedro Felipe; Rocha Júnior,Vicente Ribeiro; Ruas,José Reinaldo Mendes; Monção,Flávio Pinto; Borges,Luana Alcântara; Rigueira,João Paulo Sampaio; Ramos,Joyce Cipriana Pacheco; Gomes,Virgílio Mesquita.
ABSTRACT The objective of this study was to evaluate the effect of quantitative feed restriction level on nutrient intake and digestibility, nitrogen balance, efficiency and feeding behavior, and productive performance of F1 Holstein × Zebu cows in late lactation. Sixty F1 Holstein × Zebu cows were used at the stage of late lactation (183.0±17.5 days of lactation) and with initial body weight (BW) of 499±30 kg. The experimental arrangement adopted was the completely randomized design, with five feed restriction levels (3.39, 2.75, 2.50, 2.25, and 2.00% of BW) and twelve cows as replicates for each treatment. The roughage:concentrate ratio was of 75:25 in the total dry matter of the diet. The restriction of dietary supply from 3.39 to 2.0% of BW linearly...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Crossbred cows; Feed efficiency; Milk production; Nitrogen balance.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982019000100701
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Intake and digestibility of sorghum (Sorghum bicolor, L. Moench) silages with different tannin contents in sheep R. Bras. Zootec.
Teixeira,Alex de Matos; Ribeiro Junior,Gabriel de Oliveira; Velasco,Frederico Osório; Faria Júnior,Wilson Gonçalves de; Rodriguez,Norberto Mario; Santos Rodrigues,José Avelino; McAllister,Tim; Gonçalves,Lúcio Carlos.
The purpose of this study was to evaluate the voluntary intake and digestibility of three sorghum (Sorghum bicolor, L. Moench) hybrid silages in sheep. The hybrids used were H1 -BRS 655 (CMSXS 222 A × CMSXS 235 R), with tannin; H2 -(ATF54 A × CMSXS 235 R), without tannin; and H3 -BRS 610 (CMSXS 232 A × CMSXS 234 R), without tannin. The intake and digestibility of dry matter (DM), gross energy (GE), neutral detergent fiber (NDF), acid detergent fiber (ADF) and crude protein (CP) were measured. Eighteen crossbred sheep weighing 59.4 kg (±8.3) were used in the trial. A completely randomized design with three treatments (hybrids) and six repetitions (sheep) was used. There were no differences in the DM intake or apparent digestibility among the hybrids. Silage...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Forage preservation; Nitrogen balance; Nutritional value; Ram; Sorghum hybrid.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982014000100003
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Levels of lysine and methionine+cystine for growing New Zealand White rabbits R. Bras. Zootec.
Monteiro-Motta,Ana Carolina; Scapinello,Cláudio; Oliveira,Andréia Fróes Galuci; Figueira,Josianny Limeira; Catelan,Fernanda; Sato,Joyce; Stanquevis,Caroline Espejo.
Two experiments were carried out to evaluate, respectively, nitrogen balance (NB) and the productive performance of 31-to-50-day-old rabbits subjected to different levels of lysine and methionine+cystine (met+cys). Seventy-five animals were randomly distributed in 5 × 3 blocks (five levels of lysine: 5.5, 6.5, 7.5, 8.5 and 9.5 g/kg combined with three levels of met+cys: 5.0, 6.0 and 7.0 g/kg), with 15 treatments and five replications for the NB assay. The assay lasted 14 days: 10 days for acclimatization and four days for feces and urine collection. Increasing met+cys levels had a quadratic effect on the nitrogen excreted in urine (NU): the lowest excretion was found at the dietary level of 5.9 g/kg met+cys. Increasing lysine levels also affected NU and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Amino acids; Carcass; Nitrogen balance; Performance.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982013001200005
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Modelo de balanço de nitrogênio para cana-de-açúcar: fase I - análise teórica e ajustes. Infoteca-e
BERGAMASCO, A. F.; SILVA, F. C. da; RODRIGUES, L. H. A.; TRIVELIN, P. C. O..
O Brasil é o maior produtor mundial de cana-de-açúcar, sendo que a queima da palha do canavial visando facilitar a colheita ainda é muito praticada. Essa prática vem sendo questionada pela alta emissão de gases, além de provocar perdas de nutrientes para as plantas, facilitar o aparecimento de ervas daninhas e erosão. As maiores limitações à produtividade da cana-de-açúcar, estão relacionados à disponibilidade de quantidades adequadas de nutrientes minerais nos solos, com destaque ao nitrogênio (N), mas, sem a queima prévia da cana, a cobertura pela palhada irá provocar mudanças no manejo da cultura e na dinâmica do N. O uso da modelagem matemática reduz a necessidade de experimentos e facilita a sistematização de conhecimentos sobre esse tema. O modelo...
Tipo: Outras publicações técnicas (INFOTECA-E) Palavras-chave: Cana-de-açúcar; Adubação nitrogenada; Balanço de nitrogênio.; Modelo Matemático; Simulação.; Mathematical models; Simulation models; Sugarcane; Nitrogen balance.
Ano: 2001 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/8306
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Nitrogen dynamics and nitrogen-15 balance in lowland rice as affected by green manure and urea application International Rice Research Institute
Biswas, Tapash Kumar.
210 l. : ill. Thesis (Ph.D.) -- Indian Agricultural Research Institute
Tipo: Thesis Palavras-chave: Soil; Nitrogen; Soil nutrient dynamics; Nitrogen balance; Green manures; Urea fertilizers; Lowlands; Lowland rice.
Ano: 1988 URL: http://hdl.handle.net/123456789/1237
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Nutritional evaluation of elephant-grass silages with different levels of by-products from the cashew juice industry R. Bras. Zootec.
Ferreira,Ana Cristina Holanda; Rodriguez,Norberto Mario; Neiva,José Neuman Miranda; Pimentel,Patrícia Guimarães; Gomes,Silas Primola; Campos,Warley Efrem; Lopes,Fernando César Ferraz.
ABSTRACT This study was conducted to evaluate the intake, apparent digestibility (AD), and degradability in situ of elephant grass (Pennisetum purpureum Schum) silages containing 0, 35.0, 70.0, 105.0, and 140.0 g kg-1 by-product from dried cashew apple (DCBP) (as fed basis). A completely randomized design with four replicates was adopted. For the study of degradability in situ, one adult male cattle was used in a completely randomized design with split plots. Intake and AD of dry matter (DM), crude protein (CP), neutral detergent fiber (NDF), acid detergent fiber (ADF), hemicellulose, and cellulose were evaluated, and the digestible energy (DE) and nitrogen balance (NB) of the silages were determined. The degradability in situ of DM, CP, and NDF was also...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Agro-industrial waste; Digestibility; Intake; In situ degradation; Nitrogen balance.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982015001200434
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Nutritional performance of cattle grazing on low-quality tropical forage supplemented with nitrogenous compounds and/or starch R. Bras. Zootec.
Lazzarini,Ísis; Detmann,Edenio; Paulino,Mário Fonseca; Valadares Filho,Sebastião de Campos; Valadares,Rilene Ferreira Diniz; Oliveira,Fabrício Albani; Silva,Poliana Teixeira da; Reis,William Lima Santiago dos.
The objective of this work was to evaluate the effects of protein and/or starch supplementation on the nutritional performance of cattle grazing on low-quality tropical forage. Five crossbred steers (Holstein × Gyr) with an average body weight (BW) of 397 kg that were fitted with ruminal and abomasal cannulae were used. The animals were kept in individual signal-grass (Bracharia decumbens) paddocks. Five treatments were evaluated: 1 - control (without supplementation); 2 - supplementation with 1 g of crude protein (CP) per kg of BW; 3 - supplementation with 2.5 g of starch per kg of BW; 4 - supplementation with CP and starch as described for treatments 2 and 3; and 5 - supplementation as described for treatment 4 but replacing the corn starch with a...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Forage intake; Nitrogen balance; Ruminal degradation; Supplementation.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982013000900009
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Nutritional plans on the intake, digestibility, and performance of dairy heifers of different breed compositions PAB
Oliveira Filho,Carlos Alberto Alves; Machado,Fernanda Samarini; Ferreira,Alexandre Lima; Tomich,Thierry Ribeiro; Maurício,Rogério Martins; Campos,Mariana Magalhães; Silva,Camilla Flávia Portela Gomes da; Azevêdo,José Augusto Gomes de; Pereira,Luiz Gustavo Ribeiro.
Abstract: The objective of this work was to evaluate the effects of nutritional plans and breed composition on nutrient intake and digestibility, nitrogen balance, and performance of dairy heifers in tropical conditions. Thirty-six heifers - 12 Holstein, 12 Gyr, and 12 Gyrolando F1 (½ Holstein × ½ Gyr) - were housed in a tie-stall system and randomly distributed, adopting a completely randomized design in a 3×3 factorial arrangement (nutritional plans and breed composition). The diets were formulated to enable weight gains of 200, 400, and 800 g per day, corresponding to the nutritional plans 11, 14, and 19 g kg-1 body weight (BW), respectively. The intake of dry matter, fibrous fractions (g kg-1 BW-0.75), and metabolizable energy (kcal-1 BW-0.75) in the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Gyr; Gyrolando; Ingestion; Nitrogen balance; Weight gain.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2018000200247
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Nutritive value of diferents silage sorghum (Sorghum bicolor L. Moench) cultivares - doi: 10.4025/actascianimsci.v34i2.12853 Animal Sciences
Borba, Luis Felipe Pereira; Universidade Federal Rural de Pernambuco; Ferreira, Marcelo de Andrade; Universidade Federal Rural de Pernambuco; Guim, Adriana; Universidade Federal Rural de Pernambuco; Tabosa, José Nildo; Instituto Agronômico de Pernambuco; Gomes, Luiz Henrique dos Santos; Universidade Federal Rural de Pernambuco; Santos, Viviany Lúcia Fernandes dos; Universidade Federal Rural de Pernambuco.
Nutrition values of silages from different sorghum cultivars are evaluated. Five 26-kg castrated crossbred lambs, housed in pens equipped with feces and urine collectors for the study of their metabolism, were employed in a 5 x 5 Latin square experimental design. Treatments consisted of silage from five different sorghum cultivars: IPA 1011 and IPA 2564 (grain sorghum), IPA 2502 (dual purpose sorghum), IPA FS-25 and IPA 467 (forage sorghum). Protein level was corrected to 12% by adding a mixture of urea: ammonium sulfate (9:1). Treatments IPA 1011, IPA 2564 and IPA 2502 provided high intake of dry matter, total carbohydrate and total digestible nutrients, and low intake of neutral detergent fiber. Cultivars IPA 1011 and IPA 2564 provided high apparent...
Palavras-chave: Nitrogen balance; Composition; Intake; Digestibility; Forage.
Ano: 2012 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/12853
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Nutritive value of elephant grass silage added with cottonseed cake in diet for sheep Rev. Ciênc. Agron.
Dias,Elyane Cristina Borges; Cândido,Magno José Duarte; Furtado,Rafael Nogueira; Pompeu,Roberto Claúdio Fernandes Franco; Silva,Leane Veras da.
ABSTRACT The objective was to evaluate the intake, nutrient digestibility and nitrogen balance in sheep fed diets containing elephant grass (Pennisetum purpureum Schum) silage containing 0; 7; 14 and 21% cottonseed cake. Twenty Morada Nova sheep were used in a completely randomized design with four treatments and five replicates. The diets were isoproteic, isoenergetic and isofibrous. There was no effect of cottonseed cake levels on nutrient intake and digestibility coefficient of ether extract. The digestibility coefficients of dry matter, organic matter, crude protein, total carbohydrates and non-fiber carbohydrates presented a linear reduction with the levels of cottonseed cake varying from, respectively, 537.97 to 421.21; 566.54 to 446.42; 595, 38 to...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Additive; Digestibility coefficient; Intake; Nitrogen balance.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902019000200321
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Performance of dairy females fed dried yeast from sugar cane Animal Sciences
Franco, Marcia de Oliveira; Marcondes, Marcos Inácio; Campos, José Maurício de Souza; Detmann, Edenio; Valadares Filho, Sebastião de Campos; Freitas, Denise Ribeiro de.
This study was performed in order to evaluate the effect of dried yeast from sugar cane when replacing soybean meal in dairy heifers’ diets. Twenty-four heifers, with an initial body weight (BW) of 178 kg, were distributed in a completely randomized design. The treatments were four levels of inclusion of dried yeast from sugar cane replacing to soybean meal (0, 33, 67 and 100% on a dry matter (DM) basis). While there was no difference in DM, neutral detergent fiber (NDF), metabolizable energy or roughage intakes, the intakes of non-fiber carbohydrates and concentrate were increased. The crude protein intake decreased according to the dried yeast from sugar cane when replacing soybean meal. The digestibility coefficients of DM and NDF showed no difference....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Nutrição de ruminantes; Avaliação de alimentos alternativos para ruminantes; Bovinocultura leiteira digestibility; Intake; Nitrogen balance; Soybean meal.
Ano: 2016 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/30174
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