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Registros recuperados: 26
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Biological and economic performance of feedlot lambs feeding on diets with different energy densities R. Bras. Zootec.
Sousa,Wandrick Hauss de; Cartaxo,Felipe Queiroga; Costa,Roberto Germano; Cezar,Marcílio Fontes; Cunha,Maria das Graças Gomes; Pereira Filho,José Morais; Santos,Neube Michel dos.
The objective of this study was to evaluate performance, carcass dressing and gross profit margin of lambs of different genotypes finished in feedlot with diets containing two levels of energy (2.40 Mcal/kg dry matter - DM or 2.90 Mcal/kg DM). Fifty-four non-castrated lambs of the following genotypes were used: Santa Inês, F1 Dorper × Santa Inês and F1 Santa Inês × undefined breed at approximately 150 d of age averaging 22.6 kg of live body weight. Lambs subjected to the diet containing 2.90 Mcal/kg DM stayed in feedlot for a shorter period of time. Moreover, they showed lower intake of dry matter and water in addition to greater daily weight gain and corporal score. There was interaction of feed conversion, carcass dressing yield and gross profit margin....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Average daily gain; Dorper; Dry matter intake; Feed conversion; Santa Inês; Sheep.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982012000500028
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Development and evaluation of prediction equations for methane emission from Nellore cattle Dry matter intake (DMI Animal Sciences
Sobrinho, Tatiana Lucila Pires; Branco, Renata Helena; Magnani, Elaine; Berndt, Alexandre; Canesin, Roberta Carrilho; Mercadante, Maria Eugênia Zerlotti.
  
Tipo: Info:eu-repo/semantics/article Palavras-chave: Beef cattle; Dry matter intake; Greenhouse gas; Prediction; Sulfur hexafluoride..
Ano: 2018 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/42559
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Dieta com alto teor de gordura e desempenho de tourinhos de grupos genéticos diferentes em confinamento. Repositório Alice
SOUZA, A. R. D. L.; MEDEIROS, S. R. de; MORAIS, M. da G.; OSHIRO, M. M.; TORRES JÚNIOR, R. A. de A..
O objetivo deste trabalho foi avaliar o desempenho em confinamento de tourinhos de quatro grupos genéticos distintos tratados com dietas com diferentes teores de gordura. Foram utilizados nove animais Nelore, nove Caracu, dez ½ Caracu ¼ Angus ¼ Nelore e dez ½ Red Angus ¼ Caracu ¼ Nelore, com massa corporal inicial de 227±33 kg e dez meses de idade, distribuídos aleatoriamente em dois tratamentos nutricionais: baixo teor de gordura (3,15% de extrato etéreo) e alto teor de gordura (7,28% de extrato etéreo). A ingestão de matéria seca (IMS) foi quantificada durante 208 dias e as pesagens dos animais foram realizadas a cada 28 dias. Os animais alimentados com as dietas de alto e de baixo teor de gordura apresentaram resultados similares de ganho médio diário...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Bovino; Confinamento; Dieta; Gordura; Ingestão; Nutrição Animal; Produção Animal; Soja; Zebu; Dry matter intake.
Ano: 2009 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/512905
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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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Efeito do teor proteíco do concentrado no consumo de cana-de-açúcar com uréia e ganho de peso de novilhas em crescimento. Repositório Alice
RODRIGUES, A. de A.; BARBOSA, P. F..
O efeito de diferentes suplementos proteicos no consumo de cana-de-acucar com ureia foi avaliado em novilhas mesticas de Holandes-Zebu , durante a estacao seca. Dezoito novilhas com peso medio inicial de 288kg e idade variando entre 15 a 22 meses foram suplementados com farelo de soja ou com concentrado contendo 28,7% de proteina bruta.\t
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Gado de corte; Consumo de fibra; Consumo de materia seca; Forragem; Ganho de peso; Proteina; Beef cattle; Fiber intake; Dry matter intake; Forage; Protein.
Ano: 1999 URL: http://www.alice.cnptia.embrapa.br/handle/doc/44449
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Effect of frame size on performance and carcass traits of Santa Inês lambs finished in a feedlot R. Bras. Zootec.
Souza Júnior,Edmilson Lúcio de; Sousa,Wandrick Hauss de; Pimenta Filho,Edgard Cavalcanti; Gonzaga Neto,Severino; Cartaxo,Felipe Queiroga; Cezar,Marcílio Fontes; Cunha,Maria das Graças Gomes; Pereira Filho,José Morais.
The objective of this study was to evaluate the performance, qualitative, morphometric and quantitative carcass traits of Santa Inês lambs of different frame sizes finished in a feedlot. Twenty 120-day-old intact lambs with a 25.0±3.1 kg average body weight at the beginning of the experiment were used. Lambs received a diet containing 17% crude protein and 2.70 Mcal/kg dry matter. Frame size influenced performance and tissue composition in the carcasses of the lambs. Lambs with large frame sizes showed better carcass conformation compared with those of medium-sized frames. Frame size was found to have a significant effect on rump perimeter. Large-framed lambs showed higher compactness on the carcass index and carcass dressing area compared with...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Carcass conformation; Commercial cuts; Dry matter intake; Sheep; Tissue composition; Weight gain.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982013000400008
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Effect of the pasture supplementation strategy in the growing period on performance and carcass traits of crossbred cattle finished in feedlot. Repositório Alice
ALTRAK, G.; FAVERO, R.; MENEZES, G. R. de O.; TORRES JUNIOR, R. A. de A.; FEIJO, G. L. D.; NIEHUES, M. B.; MARTINS, M. W. F.; KAZAMA, R..
The aim of this study was to evaluate performance in feedlot and carcass traits at slaughter of crossbred cattle prior raised grazing tropical grasses and receiving supplement with or without virginiamycin (VM). Steers (n = 34) and heifers (n = 31) produced from matting Nellore, ½ Nellore x ½ Angus and ½ Nellore x ½ Caracu dams with Braford, Charbray and Caracu sires were raised grazing tropical grasses (dividedinto eight paddocks of eight hectares each, formed by Brachiaria brizantha cv. Marandu) and received protein and mineral supplementation with or without VM (included in the supplements to provide an intake of 45 mg 100 kg BW-1) on dry (July to October) and rainy seasons (November to June), respectively, from 9 to 20mo of age
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Backfat thickness; Ingestão de matéria seca; Espessura de toucinho; Antibiótico; Materia seca; Antibiotics; Average daily gain; Dry matter intake.
Ano: 2016 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1052932
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Effect of unsaturated fatty acid supplementation on digestion, metabolism and nutrient balance in dairy cows during the transition period and early lactation R. Bras. Zootec.
Rennó,Francisco Palma; Freitas Júnior,José Esler de; Gandra,Jefferson Rodrigues; Maturana Filho,Milton; Verdurico,Lenita Camargo; Rennó,Luciana Navajás; Barletta,Rafael Villela; Vilela,Flávio Garcia.
The objective of this study was to evaluate the influence of unsaturated fatty acids in diets for dairy cows during the transition period and early lactation on intake, digestion and nutrient balance. Thirty-six multiparous and pregnant Holstein cows were randomly distributed to receive one of the experimental diets in the period from 35 days before the expected date of parturition to 84 days post-partum. Diets were fed as a total mixed ration and were as follows: control (C); soybean oil (SO), based on inclusion of 30 g/kg (DM basis); and calcium salts of unsaturated fatty acids (CS), based on inclusion of 30 g/kg (DM basis). Pre-partum dry matter intakes (DMI) of cows fed C, SO and CS were 11.9, 9.5 and 9.6 kg/d, respectively. Post-partum DMI was...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Dry matter intake; Energy balance; Ruminant digestion.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982014000400212
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Extractos enzimáticos fibrolíticos de Fomes sp. EUM1 y Cellulomonas flavigena en la alimentación de corderos. Colegio de Postgraduados
Torres Salado, Nicolás.
Se realizaron tres experimentos para evaluar el efecto de extractos enzimáticos fibrolíticos en el forraje de una dieta integral para corderos. En el primer experimento se evaluaron tres extractos de por su efecto en el crecimiento y la digestibilidad del alimento en corderos, utilizando dietas con 60 % de forraje (30 % rastrojo de maíz y 30 % heno de alfalfa). El diseño experimental fue completamente al azar, se usaron 20 corderos Pelibuey (peso inicial 26.14 kg) y para los tratamientos se adicionaron extractos enzimáticos (mL kg-1 materia seca, MS, de alimento): testigo (0 mL), 3.5 mL de extracto comercial de Trichoderma longibrachiatum, 21.1 mL de extracto de Fomes sp. EUM1 y 2.47 mL de extracto de Cellulomonas flavigena. Se realizó un ANOVA y las...
Palavras-chave: Enzimas fibrolíticas exógenas; Cellulomonas flavigena; Fomes sp.; EUM1; Consumo materia seca; Digestibilidad; Forraje; Ovinos; Exogenous fibrolytic enzymes; Dry matter intake; Degradation; Forage; Sheep; Ganadería; Doctorado.
Ano: 2013 URL: http://hdl.handle.net/10521/1903
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Factors affecting feed efficiency in dairy goats R. Bras. Zootec.
Oliveira,Tadeu Silva de; Leonel,Fernando de Paula; Silva,Cássio José da; Baffa,Danielle Ferreira; Pereira,José Carlos; Zervoudakis,Joanis Tilemahos.
The objective of this study was to present some factors affecting feed efficiency in dairy goats. To develop our work, individual and average data from performance experiments with lactating goats were used. The following variables were evaluated: gross feed efficiency, adjusted feed efficiency, dry matter intake, milk-yield, 3.5% fat-corrected milk yield, dry matter digestibility, dietary neutral detergent fiber content, different roughage-to-concentrate ratios and body weight. The statistical analyses involved the application of descriptive and dispersion measures besides Pearson's correlation coefficient and linear regression analysis. The analyzed variables were highly correlated with feed efficiency. The feed efficiency of lactating goats was affected...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Dry matter intake; Goat; Milk yield.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982014001000524
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Feeding behavior and productive performance of steers fed pearl millet grain-based diets containing proportions of babassu mesocarp bran R. Bras. Zootec.
Alencar,Wanderson Martins; Restle,João; Missio,Regis Luis; Neiva,José Neuman Miranda; Miotto,Fabrícia Rocha Chaves; Freitas,Ithálo Barros de.
ABSTRACT The objective of this study was to evaluate the feeding behavior and feedlot productive performance of dairy-origin steers fed for 84 days ground pearl millet grain-based diets with 0, 120, 240, 360, and 480 g kg-1 of babassu mesocarp bran (BMB) and a standard diet based on ground corn. Thirty Holstein-Zebu steers with average initial body weight of 371.02±27 kg were used. The experimental design was completely randomized, with five replications. Dry matter intake showed better fit with the quadratic regression equation with the inclusion of BMB, reaching a maximum value in diets with 360 g of this by-product. There was no difference for dry matter intake between pearl millet- and corn-based diets. There was no difference in total digestible...
Tipo: Info:eu-repo/semantics/article Palavras-chave: By-products; Dairy-origin; Digestibility; Dry matter intake; Weight gain.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982015001200425
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Growth performance of feedlot-finished beef cattle from different genetic groups. Repositório Alice
BRITO, G. F. de; SILVA, M. L. P. da; BERNDT, A.; ALENCAR, M. M. de; NASSU, R. T.; TULLIO, R. R..
2013
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Beef cattle; Crossbreeding; Dry matter intake; Feed efficiency; Selection; Weight gain.
Ano: 2013 URL: http://www.alice.cnptia.embrapa.br/handle/doc/963109
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Lactation curves and economic results of Saanen goats fed increasing dietary energy levels obtained by the addition of calcium salts of fatty acids R. Bras. Zootec.
Souza,Rodrigo de; Alcalde,Claudete Regina; Oliveira,Carlos Antonio Lopes de; Molina,Bruna Susan de Labio; Macedo,Francisco de Assis Fonseca de; Gomes,Ludmila Couto; Hygino,Bruna; Possamai,Ana Paula Silva.
The objective of this study was to evaluate the use of calcium salts of fatty acids (CSFA) to increase the dietary energy levels for Saanen goats and their effects on the lactation curve, dry matter intake, body weight, and economic results of the goats. Twenty multiparous goats, weighing an average of 63.5±10.3 kg, were randomly assigned to one of four treatment groups, each receiving one of the following dietary energy levels: a control diet consisting of 2.6 Mcal of metabolizable energy per kg of dry matter (Mcal ME/kg DM) or a test diet supplemented with CSFA (Lactoplus®) to obtain 2.7, 2.8, or 2.9 Mcal ME/kg DM. Goats were housed in individual stalls and were fed and milked twice daily. The animals were evaluated until 180 days in milk by measuring...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Calcium soap; Dry matter intake; Energy intake; Lactation persistence; Lactoplus®; Peak lactation.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982014000200004
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Models for estimating feed intake in small ruminants R. Bras. Zootec.
Pulina,Giuseppe; Avondo,Marcella; Molle,Giovanni; Francesconi,Ana Helena Dias; Atzori,Alberto Stanislao; Cannas,Antonello.
This review deals with the most relevant limits and developments of the modeling of intake of sheep and goats reared intensively and extensively. Because small ruminants are normally fed ad libitum, voluntary feed intake is crucial in feeding tactics and strategies aimed at optimal animal production. The effects of genetic, neuroendocrine, hormonal, feed and environmental factors on voluntary feed intake were discussed. Then, several mathematical models to estimate dry matter intake (DMI) were examined, with emphasis on empirical models for sheep and goats in intensive farm systems or in extensive areas under pasture or rangeland conditions. A sensitivity analysis of four models of prediction of DMI in housed lactating dairy sheep and meat sheep breeds was...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Dry matter intake; Feedlot; Goats; Grazing; Modeling; Sheep.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982013000900010
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N-alkanes to estimate voluntary forage intake of cattle using controlled-release capsules Scientia Agricola
Oliveira,Dimas Estrasulas de; Manella,Marcelo de Queiroz; Tedeschi,Luis Orlindo; Silva,Sila Carneiro da; Lanna,Dante Pazzanese Duarte.
N-alkanes have been used as internal markers in digestibility trials with ruminants and non-ruminants for more than 20 years. In this study, two trials were conducted under different feeding regimes to (i) evaluate the release rate of n-alkanes of controlled-release capsules in the rumen of rumen-cannulated steers either grazing or restrained in metabolic stalls and (ii) estimate voluntary forage intake of the same steers in metabolic stalls. Six rumen-cannulated Nelore steers were allocated to individual metabolic stalls and were fed diets with varying forage to concentrate ratios (80:20, 60:40, and 40:60; respectively). Corn silage was the only forage source. In the grazing trial, the same steers were evaluated under three feeding managements (Brachiaria...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bovine; Fecal recovery; Hydrocarbons; Markers; Dry matter intake.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162008000300002
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Performance and behavior of dairy calves fed diets containing milk and citric flavor agents Ciência e Agrotecnologia
Carlotto,Silvane Barcelos; Olivo,Clair Jorge; Viégas,Julio; Stiles,David Arthur; Gabbi,Alexandre Mossate; Brustolin,Karen Döering; Charão,Pablo Santini; Rossarolla,Grasiela; Ziech,Magnos; Pereira,Lilian Elgalise Techio; Scaravelli,Luciene Fernanda.
While young ruminants prefer milk aroma and researches about this theme are being developed, the use of citric aroma, very appetized for older ruminants, are low utilized to young animals. This work aims to compare the influence of milk and citric flavor agents on the diets of nursing dairy calves. In this trial, 12 animals of Holstein breed were distributed in a randomized block design with four treatments (concentrate without flavor agent, concentrate with milk flavor or citrus flavor, and concentrate with milk plus citrus flavor agent) and three repetitions. The parameters evaluated were: concentrate dry matter intake (CDMI), hay dry matter (HDMI), milk dry matter intake (MDMI) and total dry matter intake (TDMI), average weight gain (ADWG), feed...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Dry matter intake; Palatability; Performance; Behavior; Flavour.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542007000300041
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Productive performance and blood parameters of bulls fed diets containing babassu mesocarp bran and whole or ground corn R. Bras. Zootec.
Santana,Aline Evangelista Machado; Neiva,José Neuman Miranda; Restle,João; Miotto,Fabrícia Rocha Chaves; Sousa,Luciano Fernandes; Araújo,Vera Lúcia de; Parente,Ranniere Rodrigues Pereira; Oliveira,Rhaiza Alves.
The objective of the present study was to evaluate the effects of corn milling and the inclusion of babassu mesocarp bran (BMB) on productive performance, digestibility of dietary nutrients, and blood parameters of dairy crossbred (Holstein-Gyr) bulls finished in confinement. Twenty-four bulls were fed four different experimental diets, containing two levels of inclusion of BMB (0 and 41.24%) and corn supplied in two different forms (ground and whole), for 98 days (77 days of data collection and 21 days of adaptation). The intakes and digestibility coefficients of the dry matter (DM) and nutrients were determined. There were no significant interaction effects of the BMB inclusion level and the form of corn used on the performance and digestibility...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Average daily gain; Digestibility; Dry matter intake; Efficiency; Neutral detergent fibre intake.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982015000100027
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Proportions of sugarcane and babassu mesocarp bran in diets for feedlot cattle R. Bras. Zootec.
Augusto,Wescley Faccini; Ribeiro,Glauco Mora; Restle,João; Missio,Regis Luis; Neiva,José Neuman Miranda; Miotto,Fabrícia Rocha Chaves; Rocha,Higor Patrick Sousa Lopes.
ABSTRACT The objective of this study was to evaluate the production performance of feedlot cattle fed diets containing chopped sugarcane ratios (580 or 380 g/kg of diet dry matter) as roughage and levels of inclusion of babassu mesocarp bran (BMB; 420 to 620 g/kg of concentrate dry matter). Twenty-four young Nellore bulls with 321±23 kg initial body weight, at 22 months of age, were used in a completely randomized experimental design with treatments in a 2 × 2 factorial arrangement and six replicates. Dry matter intake (21.71 g/kg of body weight), average daily gain (1.46 kg/day), and cold carcass weight (232.59 kg) were not changed by proportion of sugarcane or BMB level. The proportions of sugarcane and BMB levels did not change the apparent...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Carcass primal cuts; Carcass weight; Digestibility; Dry matter intake; Weight gain.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982017000800657
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Replacement of soybean meal by conventional and coated urea in dairy cows: intake, digestibility, production and composition of milk Animal Sciences
Gonçalves, Geógenes da Silva; Universidade Estadual do Sudoeste da Bahia; Pedreira, Marcio dos Santos; Universidade Estadual do Sudoeste da Bahia; Azevedo, José Augusto Gomes; Universidade Estadual de Santa Cruz; Del Rei, Antonio Jorge; Universidade Estadual do Sudoeste da Bahia; Silva, Herymá Giovane Oliveira; Universidade Estadual do Sudoeste da Bahia; Silva, Fabiano Ferreira; Universidade Estadual do Sudoeste da Bahia.
http://dx.doi.org/10.1590/actascianimsci.v36i1.21314This study evaluated the effect of dairy cows’ diets containing two different sources of urea on dry matter intake, nutrient apparent digestibility, and milk production and composition. Eight crossbred cows (Holandês x Zebu) were confined and randomly assigned to four sequential diets distributed in two 4 x 4 Latin: SM = soybean meal; SRU 0 = conventional urea (CU) 100%/slow release urea (SRU) 0%; SRU 44 = CU 56%/SRU 44%; SRU 88 = CU 12%/SRU 88%. Experimental periods consisted of 21 days, with total duration of 84 days. Dry matter intake, neutral detergent fiber, organic matter, crude protein, and total digestible nutrients were not affected by experimental diets. Dry matter and neutral detergent fiber...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Conventional urea; Dry matter intake; Slow-release urea conventional urea; Dry matter intake; Slow-release urea.
Ano: 2014 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/21314
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Respuesta productiva de vacas lecheras en pastoreo a la suplementación con maíz fresco picado Colegio de Postgraduados
Ramírez Mella, Mónica.
El objetivo de este estudio fue evaluar el efecto de suplementar con maíz fresco picado (MFP) a vacas lecheras en pastoreo en la respuesta productiva. Se utilizaron 24 vacas Holstein multíparas. El pastoreo fue rotacional en una pradera mixta alfalfa-pasto ovillo. Se evaluaron tres tratamientos: 0, 4 y 8 kg de MS de MFP animal-1día-1. Todos los animales recibieron 3.8 kg de MS de alimento concentrado animal-1 día-1. Se utilizó un diseño reversible simple (cross-over) (tres tratamientos, dos repeticiones con cuatro animales cada uno), de 3 períodos, con una duración de 19 días cada uno (10 d de adaptación y 9 d de muestreo). No hubo diferencias significativas en producción individual ni en composición de la leche. El consumo de forraje de la...
Palavras-chave: Producción de leche; Consumo de materia seca; Carga animal milk production; Dry matter intake; Stocking rate.
Ano: 2012 URL: http://hdl.handle.net/10521/918
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