Suchergebnisse

Our goal was to evaluate the root development of flaxseed and its relationship with soil aggregation and organic carbon storage in two sowing seasons under soil conservationist management, in Santa Catarina state, Brazil. We used three flaxseed genotypes: Aguará and Caburé from Argentina, and Gold from Brazil, sowings in April and May in a no-tillage system under Haplumbrept. In the flowering stage, the root system was evaluated by image analyze using a Safira software. Root distribution maps were used by geostatistical kriging. At the harvest stage, soil blocks were sampled for analyze the aggregates morphometry by image with Quantporo software and the soil organic carbon. Undisturbed soil were sampled to determine the physical attributes. The experimental design was in randomized blocks with three repetitions, anova was performed by Fisher and the means compared by Tukey test. No physical impediments were found for the roots performance in the Haplumbrept under conservationist management system, these favored the irregularity of the aggregates surface observed by the low values of aspect and roughness in the different tested diameter ranges. Both Caburé and Aguará genotypes showed good roots spatial distribution in the soil profile in both sowing seasons with an increase in carbon storage in the smallest diameter aggregates (here considered the aggregates of 4.76-1 mm). Caburé genotype is the best genotype adapted to the edaphoclimatic conditions evaluated because had a greater roots volume, area and length below to 0.15 m depth.

Neste artigo nos ocuparemos basicamente de uma linha das abrangentes reflexões de Schmitt que diz respeito ao triunfo das ideias liberais que viriam a ser alvo de ataques de segmentos da esquerda. Nos dias que correm as instituições políticas podem ser entendidas como a compreensão de um conceito de cidadão como mero consumidor cuja vida pública vai sendo progressivamente esvaziada. Nossa proposta é avaliar em que medida muitas das críticas schmittianas ao liberalismo poderiam contribuir ao desenvolvimento da liberal-democracia ou, ao contrário, tão somente contribuir para o socavamento da democracia. Este tipo de argumento pode ser utilizável para compreender se algumas das críticas à democracia e ao liberalismo não deve ser desconsiderada na medida em que entendida como mera crítica reacionária e totalitária à real democracia que nós podemos praticar.

The objective of this study was to evaluate the effect of inclusion of different levels of protected lysine and methionine on the nutritional parameters and protein metabolites of lambs. The experiment was carried out at the Capim Branco Experimental Farm, at Uberlândia Federal University, during the months of September and October 2016. Five blood lambs ½ Dorper × ½ Santa Inês, approximately eight months old and with an average weight of 50 kg, were distributed in a Latin square scheme 5 × 5 (five treatments and five replicates). The treatments consisted of the inclusion in the diet of different levels of lysine and methionine protected from ruminal degradation (MicroPEARLS LM®): 0 g, 8 g, 16 g, 24 g, and 32 g. The diet was composed of corn silage and concentrate in a ratio of 30V:70C.The experiment was divided into five phases. Each phase had a duration of fifteen days (ten days of adaptation of the animals to the experimental diets and five days of data collection). The animals were kept in individual metabolic cages. A digestibility assay was performed to determine the apparent dry matter intake and digestibility (DMI/DDMI), nitrogen balance, and protein metabolites. The DMI (kg day-1) and in relation to the metabolic weight presented a positive linear equation, and was highest for the treatment with 32 g of amino acids, as well as the ingested nitrogen and nitrogen balance, being positive in all treatments. There was no difference (P > 0.05) in the DDMI. The crude protein and urea concentrations remained above the recommended levels and the concentration of creatinine remained below the recommended level. The inclusion of protected amino acids up to 32 g increases DMI and urinary nitrogen excretion without negatively affecting digestibility. The protein metabolism was altered, without causing damage to the performance of the animals.

The objective of this study was to verify the effect of reducing in pasture height at the beginning of the deferment period (PHBD) of Brachiaria brizantha cv. Marandu on nutrient intake and digestibility in sheep during winter. The combinations between average sward heights (15, 25, 35 and 45 cm) at the beginning of the deferment period and the times of sward use during the winter were evaluated; intake and digestibility evaluations were carried out at the beginning, middle and end of the grazing period, which lasted 90 days. The experimental design used was completely randomized, with three replications. The parameters evaluated were: intake and digestibility of dry matter (DM), crude protein (CP) and neutral detergent fiber (NDF) and potentially digestible dry matter (pDDM). The pDDM contents were similar in pastures kept with 15 and 25 cm, but higher than those observed in pastures with 35 and 45 cm at the beginning of the deferment period. The NDF contents were lower and the CP and NDF digestibility were higher in 15 and 25 cm deferred pastures than in 35 cm at the beginning of deferment period, except for pastures lowered to 45cm. The improvement in nutritional value of the forage apparently ingested by sheep, promoted by ISP reduction, did not result in a variation in pasture consumption by the animals. DMI, expressed as percentage of body weight (%BW), ranged from 1.10 to 1.63. At the beginning of the grazing period, higher values of pDDM, CP and DM digestibility (DMD) were verified in simulated grazing samples. The same response pattern observed for nutritional value traits also occurred for DMI (g.day-1 and %BW) and CP intake. These were higher at the beginning, than at the middle and end of the grazing period. The use of lower sward heights at the beginning of the deferment period allowed the production of pasture with better nutritional quality, but these changes in the nutritional value of the pasture were insufficient to result in higher nutrient intake and digestibility. Furthermore, there was a reduction in nutritional value of the forage apparently consumed by sheep, in the intake and digestibility of deferred pastures throughout the grazing period, in winter. The lower pastures at the beginning of the deferment period (15 cm) improves the nutritional value of forage and nutrient digestibility at the beginning of the winter grazing period. The nutritional value and intake of deferred forage by sheep are compromised by the grazing period.

A Legislação Ambiental tem características avançadas. Tais conquistas são resultado de mobilização e empenho de ambientalistas e de outros setores sociais organizados. Verifica-se que os temas ambientais estão nitidamente vinculados aos processos de construção da cidadania e apontam para a superação do modelo de poder autoritário, enraizado e que ratifica os modos de produção vigentes. O texto pontua alguns marcos ambientais importantes desde a fundação da União Internacional para a Conservação da Natureza (IUNC) que aconteceu na Suiça em 1945 até a publicação do Relatório do Painel Intergovernamental sobre Mudanças Climáticas (IPCC) em 2007 e seus desdobramentos. Ressalta a origem legal da Política Nacional de Meio Ambiente no Brasil, em 1981 com a promulgação da Lei Federal 6.938 e demonstra a importância da Constituição Federal de 1988 que possui capítulo específico tratando de temas ambientais. A legislação ambiental brasileira exige que haja a preparação de uma estrutura administrativa para que os entes federados (União, Distrito Federal, Estados e Municípios) se habilitem para implantação do Sistema Nacional de Meio Ambiente (Sisnama). As dificuldades maiores dizem respeito a operacionalização da implantação legal. Os embates e tentativas de retrocesso acontecem no cotidiano e nos espaços executivos e legislativos. Nos processos de implantação da Legislação Ambiental Brasileira, setores políticos liderados por ruralistas e empresas de agronegócio se articulam com empreendedores imobiliários para promover retrocessos geradores de dramáticas conseqüências. Neste momento há o debate na Câmara dos Deputados Federais sobre alterações no Código Florestal Brasileiro. com enormes interesses envolvidos. A metodologia adotada no relatório aprovado pela Comissão Especial criada para estudar as propostas de reformulação do Código Florestal ratifica retrocessos de grande monta, mas terá que ser submetido ao plenário. Ao final demonstra-se que podem acontecer situações pontuais nas quais se integram desenvolvimento e sustentabilidade ambiental, incluindo a sociedade sustentável. Contudo, a relação entre desenvolvimento e meio ambiente passa obrigatoriamente pelo rompimento com o paradigma dominante na democracia liberal com pelo menos:- eliminação das desigualdades nas relações econômicas entre países (escala mundial) e grupos sociais (escala regional e escala local), com repartição da riqueza disponibilizada pela natureza e da riqueza socialmente produzida;- construção de novas formas de relacionamento entre os seres humanos e os demais componentes da natureza;- implementação de processos de desenvolvimento consonantes e respeitadores de valores e diversidades culturais.

Based on the hypothesis that climate and fertilizers influence the proportion of tiller age categories in the canopy and, consequently, in herbage accumulation, the objective of this study was to determine the population density and the contribution of tiller age categories for herbage accumulation of Urochloa brizantha cv. Marandu during the year and in response to phosphate and nitrogen fertilization. The treatments consisted of two fertilization strategies: low and high fertilization and three tiller ages (young, mature and old), evaluated at four times of the year: winter, early and late spring, and summer. The total number of tillers and the proportion of young tillers were higher in late spring and summer. The growth and herbage accumulation rates showed a typical seasonal pattern and were higher in the canopy under high fertilization. Old tillers contributed more to control the total stem growth rate, as well as the canopy senescence rate. The highest percentage of young tillers is related to the high herbage accumulation in the Marandu palisadegrass canopy.

Nesse artigo analiso o processo de criação de Sol Ardente e Depois Daquela Viagem. Trata-se de uma prática de ensino do teatro, baseada em processo colaborativo, desenvolvida em 2007, com vinte e sete adolescentes, dentro do Projeto de Teatro, atividade extracurricular, da Escola Municipal Dr. Gladsen Guerra de Resende, localizada no bairro Jardim Canaã, de Uberlândia (MG). Durante o ano de 2007, procurei, enquanto professor do Projeto de Teatro, dialogar com os alunos, para saber o que queriam falar, quais os temas que julgavam importantes de serem debatidos e improvisados em aula. Era uma prática teatral feita por adolescentes e que dialogava com a realidade do bairro Canaã. Cabe destacar que esse estudo faz parte da minha dissertação de mestrado intitulada O Teatro e os Adolescentes do Canaã: Aspectos Artísticos e Comunitários, desenvolvida no Programa de Pós-Graduação em Teatro da Universidade do Estado de Santa Catarina.

This research examines the right of access to justice – fair, effective and timely judicial protection – from the perspective of the American Convention on Human Rights, also known as the Pact of San José of Costa Rica, and Brazilian constitutional norms, verifying wether they protected the right to health in order to realize social justice. Furthermore, this study questiones whether this Pact contributed to the protection of the right to health for Brazilians. In other words, this paper investigates if this international treaty contributed to the promotion of the right to health in Brazil by allowing citizens, through the phenomenon of judicialization of public policies, access to fairer and more effective judicial protection.

Esse artigo apresenta a trajetória de uma pesquisa corporal e prática, que, tem como objeto o circo, ao corpo do texto de minha dissertação do mestrado. Um caminho do subjetivo ao objetivo. Utilizo como ponte para essas duas esferas o antipodismo, uma técnica milenar do circo, nascida na China, onde se realiza malabarismo com os pés utilizando variados objetos, como a sombrinha chinesa. Quais textos que nascem a partir da prática corporal de uma técnica objetiva, direcionada por jogos de improvisação? Esses fragmentos textuais podem ser nossos suportes na transcrição de uma prática sensível à um modelo marcado pela objetividade que é a pesquisa acadêmica.

The study aimed to determine the biochemical reference ranges for lambs from birth to 1 year of age in the tropics. Data were obtained from experiments performed in several institutions and commercial farms using Santa Inês, Dorper, Lacaune, Morada Nova, Bergamacia and Suffolk lambs reared under different conditions (grazing, feedlot, semi-feedlot) from 2006 to 2017. Serum energy-, protein-, mineral-, and enzyme-related metabolites were evaluated. The metabolic energy profile included data from glucose, cholesterol, triglycerides, fructosamine, high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, and very-low-density lipoprotein cholesterol; the metabolic protein profile included total protein, uric acid, urea, albumin, and creatinine; the metabolic mineral profile included data on calcium, phosphorus, and magnesium; and the metabolic enzymatic profile included the enzymes aspartate aminotransferase, gamma-glutamyl transferase, alkaline phosphatase, and creatine kinase. The reference ranges were estimated using confidence intervals with a 95% confidence level, and percentiles were estimated or bootstrapped nonparametrically when the data were not normally distributed. The serum biochemical reference ranges determined for lambs are strongly divergent from those established by one of the most cited books on the topic, especially considering the high serum urea and cholesterol concentrations and low levels of blood glucose observed. Therefore, the serum biochemical reference ranges for lambs from birth to 1 year of age in the tropics differ from international data, which consider adult sheep in temperate climate zones.