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Abstract This study aimed to evaluate the contribution of oral and maxillofacial pathology laboratories (OMPLs) in Brazilian public universities to the diagnosis of lip, oral cavity, and oropharyngeal squamous cell carcinoma (SCC). A cross-sectional study was performed using biopsy records from a consortium of sixteen public OMPLs from all regions of Brazil (North, Northeast, Central-West, Southeast, and South). Clinical and demographic data of patients diagnosed with lip, oral cavity, and oropharyngeal SCC between 2010 and 2019 were collected from the patients’ histopathological records. Of the 120,010 oral and maxillofacial biopsies (2010-2019), 6.9% (8,321 cases) were diagnosed as lip (0.8%, 951 cases), oral cavity (4.9%, 5,971 cases), and oropharyngeal (1.2%, 1,399 cases) SCCs. Most cases were from Brazil’s Southeast (64.5%), where six of the OMPLs analyzed are located. The predominant profile of patients with lip and oral cavity SCC was Caucasian men, with a mean age over 60 years, low schooling level, and a previous history of heavy tobacco consumption. In the oropharyngeal group, the majority were non-Caucasian men, with a mean age under 60 years, had a low education level, and were former/current tobacco and alcohol users. According to data from the Brazilian National Cancer Institute, approximately 9.9% of the total lip, oral cavity, and oropharyngeal SCCs reported over the last decade in Brazil may have been diagnosed at the OMPLs included in the current study. Therefore, this data confirms the contribution of public OMPLs with respect to the important diagnostic support they provide to the oral healthcare services extended by the Brazilian Public Health System.

https://doi.org/10.1590/1807-3107bor-2023.vol37.0126

Numerical evaluation of the influence of compaction and soil strength parameters on GRSW
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Meireles, Leone César

; Riccio Filho, Mario Vicente

; Pitanga, Heraldo Nunes

; Ferraz, Roberto Lopes

; Silva, Taciano Oliveira da

; Dias Neto, Sérgio Leandro Scher

Soils and Rocks

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2022, Volume 45 N. 4 elocation e2022003022

Abstract: En | Text: En | PDF: En

Abstract This paper presents a numerical evaluation, using PLAXIS 2D finite element software, of the effects of varying the distance of the heavy compaction from the face in a geosynthetic reinforced soil wall (GRSW). The main effects studied were the tensions in the reinforcements and the horizontal deformations of the face, including the influence of the type of shear strength envelope (total stresses or effective stresses) of the soil. In this study, a young gneiss residual soil (silty sand) was studied to obtain the grain size distribution, index properties and parameters of strength and deformability. This soil was considered for backfill in hypothetical sections of GRSW. The numerical results contributed to a better understanding of the GRSW behaviour, with evaluations closer to real field conditions. In the analyses carried out, when increasing the heavy compaction distance from the face, there are tendencies pointing to the reduction of the tensions in the reinforcements, displacement toward the interior of the soil mass of the points at which the maximum reinforcement tension occurs and reduction of the horizontal deformations of the face.

https://doi.org/10.28927/sr.2022.003022

Medical Residency in Gynecology and Obstetrics in Times of COVID-19: Recommendations of the National Specialized Commission on Medical Residency of FEBRASGO*
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Romão, Gustavo Salata

; Schreiner, Lucas

; Laranjeiras, Claudia Lourdes Soares

; Bella, Zsuzsanna Ilona Katalin de Jarmy Di

; Coelho, Raquel Autran

; Simões, Maria da Conceição Ribeiro

; Correa Júnior, Mario Dias

; Brito, Milena Bastos

; Steiner, Marcelo Luis

; Trapani Junior, Alberto

; Barcelos, Ionara Diniz Evangelista Santos

; Zaconeta, Alberto Carlos Moreno

; Reis, Francisco José Candido dos

; Abrão, Karen Cristina

; Botogoski, Sheldon Rodrigo

; Fortunato, Giovana da Gama

; Damasio, Lia Cruz Vaz da Costa

; Sá, Marcos Felipe Silva de

; Fernandes, César Eduardo

; Silva Filho, Agnaldo Lopes da

Revista Brasileira de Ginecologia e Obstetrícia

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jul 2020, Volume 42 N. 7 Pages 411 - 414

Abstract: En | Text: En | PDF: En

https://doi.org/10.1055/s-0040-1715147 451 downloads

Neurotology: definitions and evidence-based therapies - Results of the I Brazilian Forum of Neurotology
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Salmito, Márcio Cavalcante

; Maia, Francisco Carlos Zuma e

; Gretes, Mário Edvin

; Venosa, Alessandra

; Ganança, Fernando Freitas

; Ganança, Maurício Malavasi

; Mezzalira, Raquel

; Bittar, Roseli Saraiva Moreira

; Gasperin, Alexandre Camilotti

; Pires, Anna Paula Batista de Ávila

; Ramos, Bernardo Faria

; Bertoldo, César

; Ferreira Jr., Cícero

; Real, Danilo

; Guimarães, Humberto Afonso

; Oiticica, Jeanne

; Lavinsky, Joel

; Lopes, Karen Carvalho

; Duarte, Juliana Antoniolli

; Morganti, Lígia Oliveira Gonçalves

; Santos, Lisandra Megumi Arima dos

; Joffily, Lúcia

; Lavinsky, Luíz

; Santos, Mônica Alcantara de Oliveira

; Mano, Patrícia Mauro

; Araújo, Pedro Ivo Machado Pires de

; Mangabeira Albernaz, Pedro Luís

; Cal, Renato

; Dorigueto, Ricardo Schaffeln

; Guimarães, Rita de Cássia Cassou

; Carvalho, Rogério Castro Borges de

Brazilian Journal of Otorhinolaryngology

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apr 2020, Volume 86 N. 2 Pages 139 - 148

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

Resumo Introdução: A otoneurologia é uma área de conhecimento que tem se expandido muito rapidamente. O estudo do sistema vestibular tem avançado tanto que mesmo definições básicas, como o significado dos sintomas vestibulares, foram apenas recentemente padronizadas. Objetivo: Apresentar uma revisão dos principais assuntos da otoneurologia, inclusive conceitos, diagnóstico e tratamento da otoneurologia, definir a evidência científica atual para facilitar a tomada de decisões e demonstrar as áreas mais carentes de evidência para estimular novas pesquisas. Método: Este texto é fruto do I Fórum Brasileiro de Otoneurologia, que reuniu os principais pesquisadores brasileiros dessa área para uma revisão da literatura. Serão feitos três trabalhos de revisão a serem publicados. Este primeiro abordou as definições e as terapias, o segundo abordará as ferramentas diagnósticas e o terceiro definirá os principais diagnósticos. Cada autor fez um levantamento bibliográfico na base de dados da Lilacs, SciELO, Pubmed e Medline de um determinado assunto. O seu texto foi então submetido aos demais participantes do Fórum por 30 dias para análise. Um capítulo especial, da definição dos sintomas vestibulares, foi traduzido por serviço de tradução oficial e igualmente submetido às demais etapas do processo. Houve então uma reunião presencial em que todos os textos foram apresentados oralmente e houve uma discussão entre os participantes para a definição de um texto consensual para cada capítulo. Os textos consensuais foram então submetidos a uma revisão final por quatro professores de otoneurologia de três universidades brasileiras e, por fim, finalizado. A partir do texto completo, publicado no site da Associação Brasileira de Otorrinolaringologia e Cirurgia Cérvico-Facial, foi escrita esta versão-resumo como artigo de revisão. Resultado: O texto apresenta a tradução oficial para o português da definição dos sintomas vestibulares propostos pela Barany Society e agrupa as principais evidências científicas para cada um das principais terapias existentes para as doenças otoneurológicas. Conclusão: Este texto agrupou de forma racional os principais tópicos de conhecimento a respeito das definições e terapias da otoneurologia, permite ao leitor uma visão ampla da abordagem dos pacientes otoneurológicos baseada em evidências científicas e experiência nacional, que deverá auxiliá-lo na tomada de decisões clínicas, e mostra os assuntos mais carentes de evidência para estimular novos estudos.

Abstract Introduction: Neurotology is a rapidly expanding field of knowledge. The study of the vestibular system has advanced so much that even basic definitions, such as the meaning of vestibular symptoms, have only recently been standardized. Objective: To present a review of the main subjects of neurotology, including concepts, diagnosis and treatment of Neurotology, defining current scientific evidence to facilitate decision-making and to point out the most evidence-lacking areas to stimulate further new research. Methods: This text is the result of the I Brazilian Forum of Neurotology, which brought together the foremost Brazilian researchers in this area for a literature review. In all, there will be three review papers to be published. This first review will address definitions and therapies, the second one will address diagnostic tools, and the third will define the main diseases diagnoses. Each author performed a bibliographic search in the LILACS, SciELO, PubMed and MEDLINE databases on a given subject. The text was then submitted to the other Forum participants for a period of 30 days for analysis. A special chapter, on the definition of vestibular symptoms, was translated by an official translation service, and equally submitted to the other stages of the process. There was then a in-person meeting in which all the texts were orally presented, and there was a discussion among the participants to define a consensual text for each chapter. The consensual texts were then submitted to a final review by four professors of neurotology disciplines from three Brazilian universities and finally concluded. Based on the full text, available on the website of the Brazilian Association of Otorhinolaryngology and Cervical-Facial Surgery, this summary version was written as a review article. Result: The text presents the official translation into Portuguese of the definition of vestibular symptoms proposed by the Bárány Society and brings together the main scientific evidence for each of the main existing therapies for neurotological diseases. Conclusion: This text rationally grouped the main topics of knowledge regarding the definitions and therapies of Neurotology, allowing the reader a broad view of the approach of neurotological patients based on scientific evidence and national experience, which should assist them in clinical decision-making, and show the most evidence-lacking topics to stimulate further study.

https://doi.org/10.1016/j.bjorl.2019.11.002 2736 downloads

RECOMMENDATIONS FOR INVASIVE PROCEDURES IN PATIENTS WITH DISEASES OF THE LIVER AND BILIARY TRACT: REPORT OF A JOINT MEETING OF THE BRAZILIAN SOCIETY OF HEPATOLOGY (SBH), BRAZILIAN SOCIETY OF DIGESTIVE ENDOSCOPY (SOBED) AND BRAZILIAN SOCIETY OF INTERVENTIONAL RADIOLOGY AND ENDOVASCULAR SURGERY (SOBRICE)
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SCHIAVON, Leonardo de Lucca

; EJIMA, Flávio Hayato

; MENEZES, Marcos Roberto de

; BITTENCOURT, Paulo Lisboa

; MOREIRA, Aírton Mota

; FARIAS, Alberto Queiroz

; CHAGAS, Aline Lopes

; ASSIS, André Moreira de

; MATTOS, Ângelo Zambam de

; SALOMÃO, Bruno Chaves

; TERRA, Carlos

; MARTINS, Fernanda Prata Borges

; CARNEVALE, Francisco Cesar

; REZENDE, Guilherme Ferreira da Motta

; PAULO, Gustavo Andrade de

; PEREIRA, Gustavo Henrique Santos

; MOTTA-LEAL-FILHO, Joaquim Maurício da

; MENESES, Juliana de

; COSTA, Lucas Santana Nova da

; CARNEIRO, Marcos de Vasconcelos

; ÁLVARES-DA-SILVA, Mário Reis

; SOARES, Mayra Veloso Ayrimoraes

; PEREIRA, Osvaldo Ignácio

; XIMENES, Rafael Oliveira

; DURANTE, Renata Filardi Simiqueli

; FERREIRA, Valério Alves

; LIMA, Vinícius Machado de

Arquivos de Gastroenterologia

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jun 2019, Volume 56 N. 2 Pages 213 - 231

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

RESUMO As doenças do fígado e das vias biliares são causas comuns de morbidade e mortalidade. Procedimentos invasivos com finalidade diagnóstica e terapêutica são frequentemente recomendados nos casos de doenças hepatobiliares. O reconhecimento das indicações e limitações das técnicas comumente empregadas é crucial para uma adequada seleção dos pacientes, maximizando os resultados positivos e reduzindo o risco de complicações. Em 2018, a Sociedade Brasileira de Hepatologia (SBH), em colaboração com a Sociedade Brasileira de Radiologia Intervencionista e Cirurgia Endovascular (SOBRICE) e a Sociedade Brasileira de Endoscopia Digestiva (SOBED) realizaram um encontro exclusivamente voltado para a discussão dos procedimentos invasivos nas doenças hepatobiliares. Este texto resume as principais recomendações discutidas durante o evento, e tem a intenção de auxiliar clínicos, gastroenterologistas, hepatologistas, radiologistas e endoscopistas no uso adequado dos procedimentos invasivos para manejo de pacientes com doenças hepatobiliares.

ABSTRACT Liver and biliary tract diseases are common causes of morbidity and mortality worldwide. Invasive procedures are usually performed in those patients with hepatobiliary diseases for both diagnostic and therapeutic purposes. Defining proper indications and restraints of commonly used techniques is crucial for proper patient selection, maximizing positive results and limiting complications. In 2018, the Brazilian Society of Hepatology (SBH) in cooperation with the Brazilian Society of Interventional Radiology and Endovascular surgery (SOBRICE) and the Brazilian Society of Digestive Endoscopy (SOBED) sponsored a joint single-topic meeting on invasive procedures in patients with hepatobiliary diseases. This paper summarizes the proceedings of the aforementioned meeting. It is intended to guide clinicians, gastroenterologists, hepatologists, radiologists, and endoscopists for the proper use of invasive procedures for management of patients with hepatobiliary diseases.

https://doi.org/10.1590/s0004-2803.201900000-42 2181 downloads

Eosinophilic esophagitis-Where are we today?,
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Ferreira, Cristina Targa

; Vieira, Mario Cesar

; Furuta, Glenn T.

; Barros, Fernando Celso Lopes Fernandes de

; Chehade, Mirna

Jornal de Pediatria

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jun 2019, Volume 95 N. 3 Pages 275 - 281

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

Resumo Objetivo: Fornecer uma visão geral do diagnóstico e do tratamento da esofagite eosinofílica na prática clínica e aumentar a visibilidade da doença entre os pediatras. Fontes dos dados: Foi feita uma busca na literatura relevante nos bancos de dados Medline, Embase, CINAHL e consensos e diretrizes recentes foram revisados. Síntese dos dados: A definição de esofagite eosinofílica é baseada nos sintomas e na histologia. É importante excluir outras doenças associadas com inflamação esofágica predominantemente eosinofílica. Ainda não está claro se o aumento na prevalência é devido a um real aumento da incidência ou se é o resultado da maior suspeição diagnóstica. Várias opções para tratamento, inclusive inibidores de bomba de prótons, restrições dietéticas, esteroides tópicos deglutidos e dilatações endoscópicas têm sido usadas em pacientes pediátricos. Mais recentemente a eosinofilia esofágica responsiva a inibidores de bomba de prótons e a esofagite eosinofílica têm sido contempladas no mesmo espectro e os inibidores de bomba de prótons devem ser considerados como opção inicial no tratamento desses pacientes. Conclusões: A esofagite eosinofílica é uma doença relativamente nova com uma notável progressão da incidência e prevalência nas últimas 2-3 décadas e critérios diagnósticos estão em evolução constante. É importante entender melhor a patogênese dessa doença, os fatores predisponentes, a história natural e a categorização dos diferentes fenótipos para desenvolver estratégias diagnósticas e terapêuticas que vão ao encontro das necessidades clínicas dos pacientes.

Abstract Objective: The objective of this review is to provide an overview of the practical diagnostic and therapeutic approaches to eosinophilic esophagitis and to increase the visibility of the disease among pediatricians. Sources: A search of the MEDLINE, Embase, and CINAHL databases and recent consensus statements and guidelines were performed. Summary of the findings: The definition of eosinophilic esophagitis is based on symptoms and histology. It is important to rule out other diseases associated with esophageal eosinophil-predominant inflammation. It is not yet clear whether the increased prevalence is due to a real increase in incidence or a result of increased awareness of the disease. Various options for management have been used in pediatric patients, including proton pump inhibitors, dietary restriction therapies, swallowed topical steroids, and endoscopic dilations. More recently, proton pump inhibitor-responsive esophageal eosinophilia and eosinophilic esophagitis have been contemplated on the same spectrum, and proton pump inhibitors should be considered the initial step in the treatment of these patients. Conclusions: Eosinophilic esophagitis is a relatively new disease with a remarkable progression of its incidence and prevalence in the past two to three decades, and diagnostic criteria that are constantly evolving. It is important to better understand the pathogenesis of the disease, the predisposing factors, the natural history, and the categorization of varying phenotypes to develop diagnostic and therapeutic strategies that meet the clinical needs of patients.

https://doi.org/10.1016/j.jped.2018.06.012 9461 downloads

Use of direct oral anticoagulants for chronic thromboembolic pulmonary hypertension
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Gavilanes-Oleas, Francisca Alexandra

; Alves Jr, Jose Leonidas

; Fernandes, Caio Julio Cesar

; Prada, Luis Felipe Lopes

; Salibe Filho, William

; Terra Filho, Mario

; Morinaga, Luciana

; Hoette, Susana

; Jardim, Carlos

; Souza, Rogerio

Clinics

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2018, Volume 73 elocation e216

Abstract: En | Text: En | PDF: En

OBJECTIVES: Chronic thromboembolic pulmonary hypertension is one of the most prevalent forms of pulmonary hypertension and is a major complication of acute pulmonary embolism. One mainstay of chronic thromboembolic pulmonary hypertension treatment is lifelong anticoagulation. The recent advent of direct oral anticoagulants for acute pulmonary embolism treatment has provided a viable and effective alternative for treating this condition. However, little is known about the efficacy of this new class of drugs for treating chronic thromboembolic pulmonary hypertension. We aimed to evaluate the safety and efficacy of direct oral anticoagulants in the treatment of chronic thromboembolic pulmonary hypertension. METHODS: A cohort of chronic thromboembolic pulmonary hypertension patients who initiated treatment with direct oral anticoagulants between June 2015 and November 2016 were enrolled in this study. RESULTS: Sixteen patients used rivaroxaban, three used dabigatran and one used apixaban for a mean follow-up of 20.9 months. The mean age was 51 years, and eighteen patients were classified as functional class II/III. Eight patients underwent a pulmonary endarterectomy and exhibited clinical, hemodynamic and functional improvement and currently continue to use direct oral anticoagulants. No episode of venous thromboembolism recurrence was identified during the follow-up period, but there was one episode of major bleeding after a traumatic fall. CONCLUSIONS: Although direct oral anticoagulants appear to be a safe and effective alternative for treating chronic thromboembolic pulmonary hypertension, larger studies are needed to support their routine use.

https://doi.org/10.6061/clinics/2018/e216 1447 downloads

Milk fatty acid profile of Holstein x Gyr cows on 'Marandu' grass pasture under different grazing strategies
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Silva, Bárbara Cardoso da Mata e

; Rodriguez, Norberto Mario

; Morenz, Mirton José Frota

; Gama, Marco Antônio Sundfeld da

; Martins, Carlos Eugênio

; Paciullo, Domingos Sávio Campos

; Gomide, Carlos Augusto de Miranda

; Anjos, Albert José dos

; Madeiro, Afrânio Silva

; Lopes, Fernando César Ferraz

Pesquisa Agropecuária Brasileira

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aug 2017, Volume 52 N. 8 Pages 652 - 662

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

Resumo: O objetivo deste trabalho foi avaliar o perfil de ácidos graxos (AG) do leite de vacas Holandesas x Gir submetidos a dois tipos de manejo de pastejo (períodos de descanso fixo e variável) de pastagem de Urochloa brizantha 'Marandu'. Utilizou-se o delineamento de blocos ao acaso, com duas repetições de área de pastagem (blocos) por tratamento e quatro vacas por bloco. A produção e a composição do leite não foram influenciadas pelas estratégias de pastejo. Não houve efeito dos tratamentos sobre as proporções (g 100 g-1 de AG totais) dos principais AG (palmítico, linoleico e α-linolênico) do pasto, mas suas ingestões (gramas por dia) foram influenciadas pelas diferenças de ingestão de matéria seca da forragem. As concentrações dos AG no plasma e na gordura do leite não foram influenciadas pelos tratamentos. As concentrações dos ácidos rumênico, vacênico, oleico e α-linolênico na gordura do leite variaram de 0,71 a 0,93, 1,40 a 1,50, 19,40 a 19,70 e 0,39 a 0,43 g 100 g-1 de AG totais, respectivamente. As estratégias de pastejo de U.brizantha 'Marandu' não alteram o perfil de ácidos graxos do leite das vacas.

Abstract: The objective of this work was to evaluate the milk fatty acid (FA) profile of Holstein x Gyr cows subjected to two different grazing managements (fixed and variable rest periods) of Urochloa brizantha 'Marandu' pastures. A randomized complete block design was used, with two replicates of pasture areas (blocks) per treatment and four cows per block. Milk production and composition were not affected by grazing strategies. No treatment effects were observed on the proportions (g 100 g-1 of total FA) of the main FAs (palmitic, linoleic, and α-linolenic) of the pasture, but their intakes (grams per day) were affected by differences in forage dry matter intake. The concentrations of FAs in milk plasma and fat were not affected by the treatments. Milk fat contents of rumenic, vaccenic, oleic, and α-linolenic acids varied from 0.71 to 0.93, 1.40 to 1.50, 19.40 to 19.70, and 0.39 to 0.43 g 100 g-1 total FAs, respectively. Grazing strategies of U.brizantha 'Marandu' cause no changes on the milk fatty acid profile of cows.

https://doi.org/10.1590/s0100-204x2017000800011 738 downloads

Nutritional evaluation of elephant-grass silages with different levels of by-products from the cashew juice industry
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Ferreira, Ana Cristina Holanda

; Rodriguez, Norberto Mario

; Neiva, José Neuman Miranda

; Pimentel, Patrícia Guimarães

; Gomes, Silas Primola

; Campos, Warley Efrem

; Lopes, Fernando César Ferraz

Revista Brasileira de Zootecnia

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dec 2015, Volume 44 N. 12 Pages 434 - 442

Abstract: En | Text: En | PDF: En

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 determined. Addition of DCBP provided an increase in the intakes of DM, CP, NDF, and ADF. No effects of the levels of addition of DCBP were observed on the coefficients of AD of the silages. Regarding NB, positive values were only detected in the treatment with 105.0 g kg-1 DCBP. In the analysis of the degradability in situ, the incubation periods increased the rates of disappearance of DM, CP, and NDF. However, no effect of the levels of DCBP were observed on the effective degradability of DM. The by-product from dried cashew apple can be included at up to 140.0 g kg-1 in silages of elephant grass, but the high contents of acid detergent insoluble nitrogen may compromise the use and availability of nitrogen to the animals.

https://doi.org/10.1590/S1806-92902015001200004 2419 downloads

10.

I posicionamento brasileiro em hipertensão arterial e diabetes mellitus
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Alessi, Alexandre

; Bonfim, Alexandre Vidal

; Brandão, Andrea A.

; Feitosa, Audes

; Amodeo, Celso

; Alves, Claudia Rodrigues

; Brasil, David P.

; Souza, Dilma do SM

; Barbosa, Eduardo

; Consolim-Colombo, Fernanda Marciano

; Borelli, Flávio

; Fonseca, Francisco Helfenstein

; Lopes, Heno F.

; Chaves, Hilton

; Bortolotto, Luis Aparecido

; Martin, Luis C.

; Scala, Luiz Cesar Nazário

; Mota-Gomes, Marco Antonio

; Malachias, Marcus Vinícius Bolívar

; Izar, Maria Cristina

; Fonseca, Marília Izar Helfenstein

; Neves, Mário Fritsch Toros

; Morais, Nelson Siqueira

; Passarelli Jr, Oswaldo

; Jardim, Paulo Cesar Veiga

; Toscano, Paulo Roberto

; Miranda, Roberto Dischinger

; Franco, Roberto

; Betti, Roberto Tadeu Barcellos

; Pedrosa, Rodrigo Pinto

; Povoa, Rui

; Carneiro, Sérgio Baiocchi

; Jardim, Thiago

; Barroso, Weimar Kunz Sebba

Arquivos Brasileiros de Cardiologia

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jun 2013, Volume 100 N. 6 Pages 491 - 501

Abstract: Pt | Text: Pt | PDF: Pt

https://doi.org/10.5935/abc.20130123 8219 downloads Cited 2 times in SciELO

11.

Economic viability of feeding dairy cows on diets containing different levels of soybean oil
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Lopes, Marcos Aurélio

; Lage, Luciana Andrade

; Lopes, Fernando César Ferraz

; Ribeiro, Carlos Gustavo Santos

; Gama, Marco Antônio Sundfeld da

; Rodriguez, Norberto Mario

Revista Brasileira de Zootecnia

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sep 2012, Volume 41 N. 9 Pages 2085 - 2091

Abstract: En | Text: En | PDF: En

The objective of this study was to evaluate the economic viability of feeding dairy cows with diets containing different levels of soybean oil. Cows were fed diets based on tropical forage (Pennisetum purpureum Schum) supplemented with different levels of soybean oil (0.0, 1.5, 3.0, and 4.5% of diet DM). The calculations were made considering the prices of the dietary ingredients and the daily consumption of each dietary treatment. The milk quality-based payment was estimated on the bonus paid for milk fat and protein contents according to two systems used by companies of the dairy sector. The economic benefit was calculated as the difference between the income obtained from milk sale and the cost associated with animal feeding. The MOP scenario analysis (most likely - optimistic - pessimistic) was performed on the basis of the real scenario and variations in milk price and inputs observed in season and off-season periods over the years under study. The diet with 1.5% soybean oil had higher economic benefit when compared with those containing 3.0 and 4.5% soybean oil. All the dietary soybean oil levels would result in bonuses for milk protein content (higher than 3.03 and 3.21). Only the control diet showed a positive economic balance. The bonuses paid for milk protein content were insufficient to cover the additional costs associated with the inclusion of soybean oil in the diets, resulting in negative balances for the treatments with 1.5; 3.0 and 4.5% soybean oil, demonstrating the economic non-viability of supplementing diets of lactating cows with soybean oil.

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12.

Composição química e de ácidos graxos do músculo longissimus dorsi e da gordura subcutânea de tourinhos Red Norte e Nelore
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Lopes, Leandro Sâmia

; Ladeira, Márcio Machado

; Machado Neto, Otávio Rodrigues

; Ramos, Eduardo Mendes

; Paulino, Pedro Veiga Rodrigues

; Chizzotti, Mário Luiz

; Guerreiro, Mário César

Revista Brasileira de Zootecnia

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apr 2012, Volume 41 N. 4 Pages 978 - 985

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

Objetivou-se com este trabalho avaliar a composição química e o perfil de ácidos graxos do músculo longissimus dorsi e da gordura subcutânea de tourinhos Red Norte e Nelore terminados em confinamento. Utilizaram-se 44 animais, sendo 22 Red Norte com peso vivo inicial médio de 367±30 kg e 22 do grupo Nelore com peso vivo inicial médio de 361±30 kg. Os animais receberam ração à vontade durante 112 dias e foram abatidos com 519 e 482 kg, respectivamente. Amostras do músculo longissimus dorsi e da gordura subcutânea foram coletadas 24 horas após abate entre a 12ª e 13ª costelas para análise da composição centesimal e do perfil de ácidos graxos. As análises de ácidos graxos foram realizadas por meio de cromatografia gasosa, em coluna capilar de 100 m. Não houve diferença na composição química da carne entre os grupos genéticos. Nos animais Red Norte, foram maiores os teores dos ácidos graxos pentadecanoico, palmítico, palmitoleico, linoleico e ácido linoleico conjugado (CLA), enquanto nos animais Nelore foi encontrado o maior teor de ácido oleico. O músculo longissimus dorsi apresentou maiores teores dos ácidos láurico, heptadecenoico, esteárico, linoleico, α-linolênico e araquidônico. Em comparação ao músculo longissimus dorsi, na gordura subcutânea foram maiores os teores dos ácidos mirístico, miristoleico, pentadecanoico, palmítico, palmitoleico, oleico e CLA. Os animais Red Norte apresentaram maiores teores de ácidos graxos saturados em comparação aos Nelore. Em bovinos, o perfil de ácidos graxos depositados no músculo é diferente do observado na gordura subcutânea. O perfil de ácidos graxos da carne de tourinhos difere entre grupos genéticos.

The objective of this study was to evaluate the chemical composition and the fatty acid profile of the longissimus dorsi muscle and the backfat thickness of Red Norte and Nellore young bulls finished in feedlot. Fourty-four animals (22 Red Norte with initial average weight of 367±30 kg and 22 Nellore at initial average weight of 361±30 kg) were used. The animals were fed ad libitum during 112 days, slaughtered at 519 and 482 kg, respectively. Samples of the longissimus dorsi muscle and backfat thickness were collected 24 hours after slaughter between the 12th and 13th ribs for analysis of the chemical composition and the fatty acids profile. Fatty acid analyses were performed by gas chromatography with a 100-m capillary column. There was no difference for the chemical composition of the meat between the genetic groups. Red Norte animals showed higher contents of pentadecanoic, palmitic, palmitoleic, linoleic and conjugated linoleic acid (CLA) fatty acids, while Nellore animals had the highest content of oleic acid. The muscle longissimus dorsi showed greater concentrations of lauric, heptadecenoic, stearic, linoleic, α-linoleic and arachidonic acids. Comparing the fatty acid deposited in the longissimus dorsi muscle with backfat thickness, the latter showed higher contents of miristic, miristoleic, pentadecanoic, palmitic, palmitoleic, oleic and CLA acids. Red Norte animals showed higher contents of saturated fatty acid than Nellore. In bovine, the profile of fatty acids deposited in the muscle is different than the that in the backfat thickness. The fatty acids profile of the meat from young bulls differs between genetic groups.

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13.

Consumo e digestibilidade de silagens de capim-elefante com diferentes níveis de subproduto da agroindústria da acerola
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Ferreira, Ana Cristina Holanda

; Neiva, José Neuman Miranda

; Rodriguez, Norberto Mario

; Lopes, Fernando César Ferraz

; Lôbo, Raimundo Nonato Braga

Revista Ciência Agronômica

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dec 2010, Volume 41 N. 4 Pages 693 - 701

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

Foi objetivo deste trabalho avaliar o consumo e digestibilidade da MS e nutrientes. de silagens de capim-elefante (CE) contendo subproduto do processamento da acerola desidratada (SACD). Utilizaram-se 20 ovinos machos nãocastrados, distribuídos em delineamento inteiramente casualizado, com cinco níveis de SACD na silagem (0; 3,5; 7; 10,5 e 14% da matéria seca) e quatro repetições. Estimaram-se os consumos de matéria seca (MS), celulose, hemicelulose, proteína bruta (PB), fibra em detergente neutro (FDN), fibra em detergente ácido (FDA), bem como os consumos de matéria seca (MSD), proteína bruta (PBD), fibra em detergente neutro (FDND) e energia digestível (ED). Foram avaliados também as digestibilidades da MS, PB, FDN, FDA, celulose, hemicelulose e EB, e o balanço de nitrogênio (BN). A adição de SACD, não influenciou o consumo de MS, FDN e FDA em g animal-1 dia-1 e g UTM-1 (unidade de tamanho metabólico = PV0,75), MSD, FDND em g animal-1 dia-1 e ED (0,86 Mcal dia-1). Contudo, a adição de 1% do SACD na ensilagem do capim-elefante resultou em aumento de 1,91 e 0,04 g nos consumos diários de PB e PBD, respectivamente. Com a adição do SACD, não houve alterações na digestibilidade da MS (43%), PB (36,4%), FDN (44,8%) e BN (0,22 g dia-1) das silagens. Entretanto, o BN atingiu valores positivos quando foram adicionados 10,5 e 14% do SACD à dieta. O subproduto da acerola desidratado pode ser adicionado em níveis de até 14% da matéria natural na ensilagem de capim-elefante, pois não compromete nem o consumo nem a digestibilidade dos nutrientes em ovinos.

The present study aimed to determine de nutritional value of mixed elephant grass silages and increasing levels of dehydrated acerola industry by-product (PAC). Five PAC levels (0; 3.5; 7.0; 10.5 and 14%) were evaluated in a digestibility trial with 20 male non-castrated sheep in a randomized experimental design of five treatments (PAC levels) and four replications per treatment (sheep). Intake and digestibility of dry matter (DM), crude protein (CP), neutral detergent fiber (NDF), acid detergent fiber (ADF), cellulose (CEL), hemicelulose (HCEL) and energy digestible as well as nitrogen balance were determined. The addition of PAC, didn't influence the consumption of DM, NDF, ADF, DDM and DNDF. However, the addition of 1% PAC in the silage of elephant grass resulted in increase of 1.91 g and 0.04 g in the daily consumptions of CP and DCP, respectively. With the addition of PAC, there were no alterations in the digestibility of DM (43%), CP (36.4%), NDF (44.8%) and in nitrogen balance (0.22 g) of the silages. However, nitrogen balance reached positive values when 10.5 and 14% of PAC were added to the silage. The by-product of dehydrated acerola may be added in levels of up to 14% of the natural matter in the silage of elephant grass, because it doesn't affect the intake and digestibility of the nutrients by sheep.

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14.

Produção de tomateiro, híbrido momotaro, em função do estádio das mudas e da enxertia
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Goto, Rumy

; Sirtori, Luchele Furlan

; Rodrigues, João Domingos

; Lopes, Mario César

Ciência e Agrotecnologia

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aug 2010, Volume 34 N. 4 Pages 961 - 966

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

O trabalho foi conduzido em ambiente protegido, UNESP-Fazenda Experimental São Manuel da Faculdade de Ciências Agronômicas -Botucatu no município de São Manuel-SP no solo classificado como Latossolo Vermelho Amarelo fase arenosa. Determinou-se o estádio de desenvolvimento da muda para o transplante, com cinco a seis folhas definitivas, em estádio de plena floração e em início da frutificação. O tomateiro (Lycopersicon esculentum Mill), híbrido Momotaro T-93, foi cultivado sobre dois porta-enxertos, os híbridos Anchor T e Kaguemusha e em pé franco. Avaliou-se área foliar, comprimento e massa seca das mudas no momento do transplante; número de folhas total/planta; massa fresca e seca das folhas abaixo do terceiro cacho floral e classificação dos frutos em diâmetro e produção total até o 8º cacho. Conclui-se que o estádio de desenvolvimento de mudas de pé franco, transplantadas com 5 a 6 folhas definitivas, é o que apresenta as maiores médias para produção e diâmetro médio de frutos. Para mudas enxertadas, o estádio de cinco a seis folhas definitivas até plena floração, não houve diferença na produtividade e qualidade final, sendo os melhores desempenhos obtidos pelo porta-enxerto Anchor T.

This work was carried out in a protected environment at Sa Paulo State University (UNESP) São Manuel Experimental Farm, College of Agronomical Sciences, São Manuel Municipality, São Paulo State, Brazil. The local soil was red-yellow sandy-phase latosol. The following development stages for transplanting were evaluated: seedlings presenting 5 to 6 definitive leaves, in full flowering and beginning of fruiting. Momotaro T-93 hybrid tomato (Lycopersicon esculentum Mill.) was grown on two rootstocks, the hybrids Anchor T and Kaguemusha, and in non-grafted ones. Evaluations included leaf area, seedling length, seedling dry matter at the moment of the transplant, total number of leaves per plant, fresh and dry matter of leaves below the third inflorescence, fruit classification according to diameter, and total fruit production until the eighth bunch. Non-grafted plants transplanted when they presented 5 to 6 definitive leaves had the highest mean fruit production and diameter. As regards grafted plants, no difference was detected concerning productivity and final quality when seedlings were in the stages from 5 to 6 definitive leaves until full flowering, and the rootstock Anchor T presented the best development.

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15.

Características do pasto e desempenho de novilhas em sistema silvipastoril e pastagem de braquiária em monocultivo
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Paciullo, Domingos Sávio Campos

; Lopes, Fernando César Ferraz

; Malaquias Junior, João Darós

; Viana Filho, Antônio

; Rodriguez, Norberto Mario

; Morenz, Mirton José Frota

; Aroeira, Luiz Januário Magalhães

Pesquisa Agropecuária Brasileira

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nov 2009, Volume 44 N. 11 Pages 1528 - 1535

Abstract: Pt En | Text: Pt En | PDF: Pt | PDF: En

O objetivo deste trabalho foi avaliar as características do pasto e o desempenho de novilhas oriundas do cruzamento Holandês x Zebu, em sistema silvipastoril (SSP) e em monocultivo de braquiária (Urochloa decumbens). O delineamento experimental foi o de blocos ao acaso, com dois tratamentos: em monocultivo de braquiária; e o SSP, que apresentava faixas de braquiária consorciada com Stylosanthes guianensis, alternadas com faixas arborizadas. Os piquetes foram manejados sob lotação rotacionada, com 7 dias de ocupação e 35 e 49 dias de descanso, nas épocas chuvosa e seca, respectivamente. As características do pasto, o consumo e o ganho de peso não variaram com o sistema; porém, devido às reduções na quantidade e no valor nutritivo da forragem, apresentaram valores maiores na época chuvosa do que na época seca, respectivamente: massa de forragem pré-pastejo, 1.525 e 964 kg ha-1; teores de proteína bruta na gramínea, 9,3 e 8,2%; digestibilidade in vitro da matéria seca, 56,1 e 50,3%; consumo de matéria seca, 2,3 e 1,6% do peso vivo; ganho de peso de 625 e 242 g por dia por novilha. O sombreamento moderado no SSP não interferiu nas características do pasto, nem no consumo de forragem, nem no desempenho de novilhas leiteiras, quando comparado aos valores obtidos na pastagem de braquiária em monocultivo.

The objective of this work was to evaluate the pasture characteristics and the performance of heifers from the Holstein x Zebu cross in a silvopastoral system (SPS), and in a Brachiaria (Urochloa decumbens) pasture. The experiment was set up in a randomized block design with two treatments: an exclusive Brachiaria pasture; and SPS, which had mixed U. decumbens and Stylosanthes guianensis strips alternating with strips with trees. Paddocks were grazed in rotational stocking, with seven days of grazing and 35 and 49 days of rest in the rainy and dry seasons, respectively. Pasture traits, dry matter intake and live weight gain did not vary with the systems. However, due to the reduction in the amount and nutritional value of the forage, these variables had higher values for the rainy season than the dry season, respectively: pre-grazing forage mass, 1,525 and 964 kg ha-1; crude protein, 9.3 and 8.2%; in vitro dry matter digestibility, 56.1 and 50.3%; dry matter intake, 2.3 and 1.6% of body weight; and live weight gain, 625 and 242 g per day per heifer. Moderate shading in SPS did not affect pasture traits, dry matter intake, or the performance of the heifers, in comparison to the values obtained for an exclusive Brachiaria pasture.

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