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Search Results: 1 - 10 of 28858 matches for " Fernandes Alberto Magno "
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Metástase intramedular de carcinoma da tireóide: relato de caso
Holanda, Maurus Marques de Almeida;Andrade, Emerson Magno Fernandes de;Silva, José Alberto Gon?alves da;
Arquivos de Neuro-Psiquiatria , 2006, DOI: 10.1590/S0004-282X2006000200033
Abstract: we report a case of intramedullary spinal cord metastasis from thyroid cancer in a 70-year-old woman complaining for three months an intense cervical pain, without motor or sensitive deficits. six months before the onset of symptoms, the patient underwent total thyroidectomy for a thyroid cancer. magnetic resonance imaging with gadolinium enhancement showed an intramedullary spinal cord lesion. a partial resection of the medullar tumor was performed and the pathological findings showed an metastatic adenocarcinoma. post operatively the patient develloped a left crural monoplegia.
Characteristics of the dairy goat primary sector at the Rio de Janeiro State, Brazil
Santos Junior, Edizio;Vieira, Ricardo Augusto Mendon?a;Henrique, Douglas Sampaio;Fernandes, Alberto Magno;
Revista Brasileira de Zootecnia , 2008, DOI: 10.1590/S1516-35982008000400025
Abstract: a survey was done based on 19 goat shepherds at counties of centre-highlands, northern and north-western regions of the rio de janeiro state and at the county of pedra dourada, zona da mata region, state of minas gerais. we aimed to characterise the primary sector of the goat milk production chain settled at those regions. therefore, questionnaires were applied in order to depict profiles of the shepherds, their families, the role of the wife in the activity, the resources available, dependence on income generated by the activity, and how producers administrate their business. farms were distributed in five strata according to the following daily milk production averages and standard deviations: 8.8 ± 0.9, 15.7 ± 3.9, 22.6 ± 2.7, 34.4 ± 3.4, and 183.8 ± 54.2 l/d. approximately 42% of the interviewed producers conducted their activities according to a household production model and the income earned was exclusively from the dairy goat husbandry. sons and daughters performed an important role in the business (27.80%), but most of them (62.73%) worked out at non farm activities. the percentage of wives that worked directly in the activity (@47%) indicated that it could contribute to gender equity in the rural environment. most of the production systems (63.16%) presented positive gross margins. we have noticed, however, that shepherds perceived only the business gross margin and that the most accurate registries taken were those related to revenues. in general, producers of the higher strata were favoured by their larger production scale, but asymptotic behaviours for costs and amounts invested in animals, equipments and buildings were observed. these characteristics should be considered when policies related to the dairy goat primary sector have to be planned.
Introdu??o e avalia??o de clones de capim-elefante (Pennisetum purpureum Schum.) em Campos dos Goytacazes, RJ
Daher, Rogério Figueiredo;Vázquez, Hernan Maldonado;Pereira, Ant?nio Vander;Fernandes, Alberto Magno;
Revista Brasileira de Zootecnia , 2000, DOI: 10.1590/S1516-35982000000500006
Abstract: fifteen intra specific hybrids and two cultivars of elephant grass were evaluated in a randomized block design with four replicates. the experiment was carried out at the forage production section of lzna/ccta of universidade estadual do norte fluminense, campos dos goytacazes, rj, from february/95 to december/97, resulting on 12 harvests. the materials were evaluated for total dry matter (dm) production, dry season production, contribution of dry season to total annual production, percentage of leaves, height (m), diameter of stem at the base (mm) and number of tillers per meter. except for clones cnpgl 91: f28-1, f01-2, f13-2, f10-2 and the mineiro cultivar, all of them were satisfactory for total dry matter (dm) production, while dm production during the dry season, contribution of dry season to total annual production and percentage of leaves, presented no significant differences among clones. multivariate analysis indicated the superiority of group 2 (pioneiro e cnpgl 91 f27-5) and 5 (cnpgl 91 f25-3 e cnpgl 91 f06-3) to total dm production, consisting on divergent and highly adapted groups in campos dos goytacazes, rj. the variables: diameter of stem, plant height in cutting at wet season and plant height in cutting an dry season were the most important in order to explain the dispersion of clones in bidimensional space.
Fracionamento e cinética da degrada o in vitro dos carboidratos constituintes da cana-de-a úcar com diferentes ciclos de produ o em três idades de corte
Fernandes Alberto Magno,Queiroz Augusto César de,Pereira José Carlos,Lana Rogério de Paula
Revista Brasileira de Zootecnia , 2003,
Abstract: Este trabalho foi conduzido com o objetivo de determinar as fra es e as taxas de degrada o dos carboidratos em cultivares de cana-de-a úcar, com dois ciclos de produ o: precoce e intermediário, em três idades de corte (426, 487 e 549 dias). No fracionamento, foram calculados os carboidratos totais (CT), carboidratos n o-fibrosos (CNF) e as fra es potencialmente degradável (B2) e n o-degradável (C) da fibra em detergente neutro (FDN), corrigida para cinzas e proteína (FDNcp). Os parametros cinéticos dos CNF e fra o B2 foram estimados a partir da técnica da produ o de gás in vitro. Os teores de CT e fra o B2 n o diferiram entre os ciclos de produ o, porém as precoces apresentaram maiores teores da fra o C e menores dos CNF. Estabelecendo uma rela o entre concentra o de lignina obtida e fra o C observada, por meio de ajuste de equa o de regress o linear simples, sem intercepto, obteve-se o valor de 4,38, que diferiu de 2,4, sugerido pelo sistema Cornell. Portanto, para cana-de-a úcar, a fra o C pode ser mais precisamente estimada a partir da lignina multiplicada por 4,38. O avan o da idade de corte causou aumento da fra o C e redu o da B2, sem interagir com a matura o; embora tenha sido linear, o incremento foi pequeno, de apenas 6% da fra o C, quando comparado a outras gramíneas tropicais com a mesma idade de corte. Os parametros cinéticos n o apresentaram diferen as entre variedades; entretanto, as taxas de degrada o dos CNF foram inferiores às sugeridas pelo sistema Cornell. O ajuste da curva de produ o cumulativa de gás (sistema bicompartimental) mostrou-se adequado, pois a cana-de-a úcar tem fra es de carboidratos disponíveis muito distintas quanto à taxa de digest o (CNF e B2). Por apresentar elevado teor de CNF e baixa taxa de degrada o da fra o B2, pesquisas com diferentes fontes de N para suplementar dietas à base de cana-de-a úcar s o necessárias.
Composi o químico-bromatológica de variedades de cana-de-a úcar (Saccharum spp L.) com diferentes ciclos de produ o (precoce e intermediário) em três idades de corte
Fernandes Alberto Magno,Queiroz Augusto César de,Pereira José Carlos,Lana Rogério de Paula
Revista Brasileira de Zootecnia , 2003,
Abstract: Foram objetivos deste trabalho determinar a composi o químico- bromatológica, as fra es potencialmente degradável (B2) e indegradável (C) da FDN dos carboidratos totais e estimar a reple o ruminal da cana-de-a úcar com diferentes ciclos de produ o (precoce e intermediário), em três idades de corte (426, 487 e 549 dias). As análises laboratoriais consistiram na determina o da matéria seca (MS), matéria organica, matéria mineral, proteína bruta (PB), extrato etéreo, lignina, fibra em detergente neutro (FDN), FDN corrigida para cinzas e proteína, fibra em detergente ácido (FDA), proteína insolúvel em detergente neutro, proteína insolúvel em detergente ácido e proteína solúvel em detergente neutro. Os nutrientes digestíveis totais (NDT) foram calculados por intermédio da composi o química. As fra es B2, C e a taxa de digest o da fibra, bem como a reple o ruminal, foram estimadas através de parametros cinéticos obtidos a partir da incuba o in situ. O avan o da idade de corte propiciou aumento nos teores de MS em 9,5%. As variedades intermediárias apresentaram NDT superiores às precoces, as quais destacaram-se pelos mais elevados teores de FDN e FDA, cujos respectivos valores foram 487,56 e 471,03, e 287,87 e 247,54 g/kg MS para as variedades precoces e intermediárias, respectivamente. O NDT aumentou linearmente com a idade de corte, variando de 62,45 a 63,50%; contudo, os teores de FDN e FDA apresentaram comportamento quadrático. As variedades precoces apresentaram maior teor de PB que as intermediárias somente na idade ao corte de 549 dias, contrariamente, o teor de brix foi superior para as variedades intermediárias no último corte. As variedades precoces apresentaram maior reple o ruminal total e menor taxa de digest o da fibra. A fra o B2 da fibra, foi reduzida e a C foi linearmente aumentada com a idade das plantas.
Introdu o e avalia o de clones de capim-elefante (Pennisetum purpureum Schum.) em Campos dos Goytacazes, RJ
Daher Rogério Figueiredo,Vázquez Hernan Maldonado,Pereira Ant?nio Vander,Fernandes Alberto Magno
Revista Brasileira de Zootecnia , 2000,
Abstract: Quinze novos clones de capim-elefante e duas cultivares-testemunhas foram avaliados em um delineamento em blocos ao acaso, com quatro repeti es. O experimento foi realizado no Setor de Forragicultura do LZNA/CCTA da Universidade Estadual do Norte Fluminense, Campos dos Goytacazes, RJ, no período de fevereiro de 1995 a dezembro de 1997, totalizando 12 cortes. Avaliaram-se produ o de matéria seca (MS), em kg/ha/corte, média de 12 cortes; produ o de MS da época da seca, em kg/ha; participa o da produ o da época da seca em rela o ao total anual, propor o de folhas na planta, altura das plantas (m), diametro do colmo na base (mm) e número de perfilhos por metro linear. Com exce o dos clones CNPGL 91: F28-1, F01-2, F13-2 e F10-2 e da cultivar Mineiro, todos os demais destacaram-se quanto à produ o de MS por corte, enquanto as variáveis produ o de MS da época da seca, participa o da produ o da época da seca em rela o ao total anual e propor o de folhas na planta (com base em MS) n o apresentaram diferen as significativas entre os clones avaliados. A análise multivariada demonstrou a superioridade dos clones dos grupos 2 (Pioneiro e CNPGL 91 F27-5) e 5 (CNPGL 91 F25-3 e CNPGL 91 F06-3) para produ o de matéria seca, constituindo-se em grupos contrastantes e altamente adaptados às condi es edafoclimáticas de Campos dos Goytacazes. As variáveis diametro do colmo, altura das plantas no corte na época das águas e altura das plantas no corte na época da seca foram consideradas as mais importantes para explicar a dispers o dos clones no plano bidimensional.
Estimativas da produ o de leite por vacas holandesas mesti as, segundo o sistema CNCPS, em dietas contendo cana-de-a úcar com diferentes valores nutritivos
Fernandes Alberto Magno,Queiroz Augusto César de,Lana Rogério de Paula,Pereira José Carlos
Revista Brasileira de Zootecnia , 2001,
Abstract: O objetivo do presente estudo foi usar os dados observados sobre as varia es nos teores da fibra em detergente neutro (FDN), lignina e das fra es de carboidratos e das correspondentes taxas de degrada o de 15 variedades de cana-de-a úcar, para avaliar a disponibilidade destes nutrientes em promover produ o de leite de vacas holandesas mesti as, usando o sistema CNCPS. Um suplemento nutricional composto de silagem de milho, caro o de algod o, farelo de soja e uréia foi usado para complementar as exigências nutricionais destes animais na produ o de 10 kg de leite diário. Os valores utilizados para predizer as respostas na produ o de leite foram: FDN (%MS) -- 40, 50 e 60, lignina (%FDN) 10,14 e 18, taxas de digest o (%/h) dos carboidratos n o fibrosos (CNF) -- 10,20 e 30 e taxa de digest o (%/h) dos carboidratos fibrosos (CF) -- 1, 2,5 e 4. A cana-de-a úcar, quando usada como principal volumoso da dieta, acarretou redu o na ingest o de matéria seca e energia, limitando a produ o de leite destes animais. A predi o da quantidade de leite que poderia ser produzida em fun o da quantidade de energia metabolizável (EM), fornecida pela dieta, decresceu 24%, quando o teor de FDN aumentou de 40 para 60%, para um percentual de 14% de lignina. Também houve acréscimo de 14% na produ o de leite, quando a taxa de digest o dos CF aumentou de 1 para 2,5%/h. Embora as varia es nos teores de FDN e lignina e nas taxas de digest o dos carboidratos, das variedades de cana-de-a úcar, tenham promovido grande efeito sobre a produ o de leite das vacas mesti as, torna-se necessária a valida o destes resultados.
Germination, Vigor of Seeds and Emergence of Fabaceae Seedling in Bovine Faeces  [PDF]
Renata Vianna Lima, Henrique Duarte Vieira, Francielle de Souza Guimar?es, Nardele Moreno Rohem Jr., Tatiana Oliveira da Silva, Alberto Magno Fernandes, Cynthia Pires Guimar?es, Amanda Justino Acha, Bruno Borges Deminicis
American Journal of Plant Sciences (AJPS) , 2014, DOI: 10.4236/ajps.2014.514230
Abstract:

This study was conducted to evaluate the physiological quality of forage seeds after passage through the gastrointestinal tract of cattle, as well as the emergence of seedlings derived from these seeds. Three Fabaceae species were used: tropical kudzu, leucaena and calopo. One hundred grams of seeds of each species were offered, separately, to five bovines. After the start of the dispersion, the faeces of the animals were collected every 6 hours, in a total of 72 hours, being taken to the greenhouse immediately after each collection. The study evaluated the total number of seedlings in the stool, the lengths of roots and aerial parts, as well as the natural and dry seedling weight thirty days after the disposal of the faeces in the greenhouse. The experimental design consisted of randomized blocks, with twelve treatments (sampling periods) and five replications (cattle). The best performance for the total number of seedlings in the faeces of cattle was observed in the kudzu species. The length of the root, length of the aerial part and dry matter seedling weight was observed in the leucaena species, followed by kudzu. The calopo showed low results for all variables due to the high degradation of the seeds.

Avalia??o nutricional da grama-estrela cv. Africana para vacas leiteiras em condi??es de pastejo
Favoreto, Maurício Gomes;Deresz, Fermino;Fernandes, Alberto Magno;Vieira, Ricardo Augusto Mendon?a;Fontes, Carlos Augusto de Alencar;
Revista Brasileira de Zootecnia , 2008, DOI: 10.1590/S1516-35982008000200019
Abstract: an nutritional analysis of stargrass cv. africana fed dairy cattle under rotational grazing was evaluated in this research. ten holstein-zebu crossbred cows were managed in 2 ha covered with the grass and divided in 11 paddocks /ha with three grazing days 30 days of resting period. during the experimental period the animals were milked twice a day for 16 days and were feed two kg of concentrate. representative samples of the pasture consumed (extrusa) were taken and determined the nutritional composition. the dray matter intake of the animals was estimated by means of chromium and indigestible dm as external and internal markers. the individual performance of the cows was evaluated by daily milk production and by weighting the animals. the food matter dynamics was estimated with gravimetric in vitro techniques, cumulative gas production from microbial fermentation and estimates of the passage kinetics of solid end liquid phases. the amount of total net energy (net) in mj/d meet the energetic requirement by the animals. the predicted values for metabolizable protein (mp) corresponded to the supply of 91% of the mp required by those animals. the predictions for macrominerais met only 75% of the ca required, however met the requirements by other macrominerals. the stargrass pasture meet the nutritional requirements for maintenance and production of 11.7 kg of milk per day. in the studied circumstances, it is needs to supplement nutrients that complement mp e ca not fully met. the content and kinetic characteristics of stargrass fiber caused niether rumen fill effect nor constrained int1ake of grazing dairy cows.
Produ??o de leite e desempenho dos bezerros de vacas Nelore e mesti?as
Oliveira, Vítor Corrêa de;Fontes, Carlos Augusto de Alencar;Siqueira, Jo?o Gomes de;Fernandes, Alberto Magno;Sant′Ana, Nivaldo de Faria;Chambela Neto, Alberto;
Revista Brasileira de Zootecnia , 2007, DOI: 10.1590/S1516-35982007000900018
Abstract: the research was carried out to evaluate the lactation curves of nellore and crossbred f1 limousin-nellore (ln) and simmental-nellore (sn) cows and the performance of the progeny. thirteen cows from each breed group, with age ranging from 5 to 9 years, and the respective calves were used. from 15 days after calving until weaning of the calves (210 days), the cows and calves were kept in individual pens. the nutritional requirements of the cows for maintenance and lactation were met. the same ration was offered to the calves from the 90 days of age, in limited amounts to supply 30% of the nutritional requirements. the ration was formulated with 30% of concentrate and 70% of silage, dm basis. monthly, milk production of the cows was estimated, utilizing the weigh-suckle-weigh method. by means of nonlinear model, it was estimated the time needed for the cows to reach the peak of lactation, the production at the peak of lactation; the persistence of milk production and total and daily average milk production. nellore cows showed lower production at the peak of lactation, total and daily average milk production, but higher persistency than crossbred cows. the productions in the lactation peak, total and daily average, in cows sn, were higher than in cows ln, however, no difference was observed between these groups for lactation persistence. calves from nellore cows had lower birth weight, weaning weight and preweaning weight gain than those from crossbred cows. there was no difference between calves from the two crossbred groups. it is concluded that crossbred cows have higher maternal ability than nellore cows.
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