969 resultados para productive chain


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The theme of this dissertation is the collegiate management in the cashew cultivation s productive chain by the reading of the Managerial Committee s role in accordance with Sustainable Regional Development. The research had as aim to reveal the way as Managerial Committee s members of cashew cultivation s productive chain interpret the economic, social and environmental dimensions to the sustainability of entrepreneurships, using as interpretative base Sachs (2004) theoretical model. The theoretical reference is based in precepts of Solidarity Economy as a strategy to the Sustainable Regional Development. To reach this aim was done a case study, based in analysis of contents and semi-structured interviews with the solidarities economic entrepreneurships that integrate the Committee and with the group of Entities of Support and Fomentation responsible for formulating and conducting actions in favour of development of the chain. The research permitted to conclude that the economic, mainly, and social dimension, secondly, to super-impose the environmental dimension. The actions in favour of the chain are yet restricted and with low effectiveness when interpreted, in an integrated way, by a side, by the informers of this research and, by another side, in accordance with precepts of sustainable development

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The Brazilian agricultural research agency has, over the years, contributed to solve social problems and to promote new knowledge, incorporating new advances and seeking technological independence of the country, through the transfer of knowledge and technology generated. However, the process of transfering of knowledge and technology has represented a big challenge for public institutions. The Embrapa is the largest and main brazilian agricultural research company, with a staff of 9.790 employees, being 2.440 researchers and an annual budget of R$ 2.52 billion. Operates through 46 decentralized research units, and coordinate of the National Agricultural Research System - SNPA. Considering that technology transfer is the consecration of effort and resources spent for the generation of knowledge and the validity of the research, this work aims to conduct an assessment of the performance of Embrapa Swine and Poultry along the production chain of broilers and propose a technology transfer model for this chain, which can be used by the Public Institutions Research – IPPs. This study is justified by the importance of agricultural research for the country, and the importance of the institution addressed. The methodology used was the case study with a qualitative approach, documentary and bibliographic research and interviews with use of semi-structured questionnaires. The survey was conducted in three stages. In the first stage, there was a diagnosis of the Technology Transfer Process (TT), the contribution of the Embrapa Swine and poultry for the supply chain for broiler. At this stage it was used bibliographical and documentary research and semi- structured interviews with agroindustrial broiler agents, researchers at Embrapa Swine and Poultry, professionals of technology transfer, from the Embrapa and Embrapa Swine and Poultry, managers of technology transfer and researchers from the Agricultural Research Service - ARS. In the second step, a model was developed for the technology transferring poultry process of Embrapa. In this phase, there were made documentary and bibliographic research and analysis of information obtained in the interviews. The third phase was to validate the proposed model in the various sectors of the broilers productive chain. The data show that, although the Embrapa Swine and Poultry develops technologies for broiler production chain, the rate of adoption of these technologies by the chain is very low. It was also diagnosed that there is a gap between the institution and the various links of the chain. It was proposed an observatory mechanism to approximate Embrapa Swine and Poultry and the agents of the broiler chain for identifying and discussing research priorities. The proposed model seeks to improve the interaction between the institution and the chain, in order to identify the chain real research demands and the search and the joint development of solutions for these demands. The proposed TT model was approved by a large majority (96.77%) of the interviewed agents who work in the various links in the chain, as well as by representatives (92%) of the entities linked to this chain. The acceptance of the proposed model demonstrates the willingness of the chain to approach Embrapa Swine and Poultry, and to seek joint solutions to existing problems.

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The theme of this dissertation is the collegiate management in the cashew cultivation s productive chain by the reading of the Managerial Committee s role in accordance with Sustainable Regional Development. The research had as aim to reveal the way as Managerial Committee s members of cashew cultivation s productive chain interpret the economic, social and environmental dimensions to the sustainability of entrepreneurships, using as interpretative base Sachs (2004) theoretical model. The theoretical reference is based in precepts of Solidarity Economy as a strategy to the Sustainable Regional Development. To reach this aim was done a case study, based in analysis of contents and semi-structured interviews with the solidarities economic entrepreneurships that integrate the Committee and with the group of Entities of Support and Fomentation responsible for formulating and conducting actions in favour of development of the chain. The research permitted to conclude that the economic, mainly, and social dimension, secondly, to super-impose the environmental dimension. The actions in favour of the chain are yet restricted and with low effectiveness when interpreted, in an integrated way, by a side, by the informers of this research and, by another side, in accordance with precepts of sustainable development

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El presente documento es una propuesta elaborada para la empresa “Banafruits” a partir de la visita realizada a la finca “Chavela”, lugar donde se realizan todos los procesos productivos del banano. Para su elaboración, se tomaron como base los detalles de cada uno de los pasos que toma el producto, lo cual permitió destacar puntos de mejora para que la empresa a través de su implementación, logre beneficios en la productividad llegando a mejoras en la calidad final de sus productos; tomando en cuenta, cada uno de los procesos diarios que integran su cadena productiva. Para la elaboración de los puntos en los que se basa la propuesta para Banafruts, se abordaron principalmente cuatro elementos: el personal, el tiempo, las herramientas implementadas y las medidas; los cuales deben ser cuidados en conjunto para garantizar el resultado final. Cada uno de los aspectos fue evaluado a través de la implementación de herramientas de calidad cuyos resultados permitieron proponer alternativas para mejorar el desempeño actual de la compañía.

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O objetivo deste estudo foi diagnosticar as potencialidades e os gargalos da cadeia produtiva do mel no território do entorno do Lago de Sobradinho, no Norte do Estado da Bahia, visando fornecer subsídios para programas de governos que visem incrementar a atividade apícola nessa região. A metodologia utilizada para coletar os dados foi a entrevista de profundidade, que é um dos métodos de análise mais recomendados para estudos dessa natureza. Nos resultados e discussão foi feita a caracterização dos apicultores e de suas explorações, a descrição da cadeia do mel envolvendo todos os elos que a compõem e foram apontados os pontos fracos e fortes da cadeia. Nas conclusões do estudo, onde também foram apresentadas proposições que se implementadas dinamizará a cadeia em análise, evidencia-se que a exploração do mel é a atividade agropecuária, que operacionalizada de forma adequada, mais gera renda e melhora a qualidade de vida da população rural do território alvo desse trabalho.

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Mycoplasma pneumoniae (M. pneumoniae) is a common pathogen in cases of atypical pneumonia. Most individuals with Mycoplasma pneumonia run a benign course, with non-specific symptoms of malaise, fever and non-productive cough that usually resolve with no long-term sequelae. Acute lung injury is not commonly seen in Mycoplasma pneumonia. We report a case of acute respiratory distress syndrome cause by M. pneumoniae diagnosed by quantitative real-time polymerase chain reaction (RT-PCR).

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La digestion anaérobie est un processus biologique dans lequel un consortium microbien complexe fonctionnant en absence d’oxygène transforme la matière organique en biogaz, principalement en méthane et en dioxyde de carbone. Parmi les substrats organiques, les lipides sont les plus productifs de méthane par rapport aux glucides et aux protéines; mais leur dégradation est très difficile, en raison de leur hydrolyse qui peut être l’étape limitante. Les algues peuvent être une source importante pour la production de méthane à cause de leur contenu en lipides potentiellement élevé. L’objectif de cette étude était, par conséquent, d’évaluer la production en méthane des microalgues en utilisant la technique du BMP (Biochemical méthane Potential) et d’identifier les limites de biodégradion des lipides dans la digestion anaérobie. Le plan expérimental a été divisé en plusieurs étapes: 1) Comparer le potentiel énergétique en méthane des macroalgues par rapport aux microalgues. 2) Faire le criblage de différentes espèces de microalgues d’eau douce et marines afin de comparer leur potentiel en méthane. 3) Déterminer l'impact des prétraitements sur la production de méthane de quelques microalgues ciblées. 4) Identifier les limites de biodégradation des lipides algaux dans la digestion anaérobie, en étudiant les étapes limitantes de la cinétique des lipides et de chacun des acides gras à longues chaines. Les résultats ont montré que les microalgues produisent plus de méthane que les macroalgues. Les BMP des microalgues d'eau douce et marines n'ont montré aucune différence en termes de rendement en méthane. Les résultats des prétraitements ont montré que le prétraitement thermique (microonde) semblait être plus efficace que le prétraitement chimique (alcalin). Les tests de contrôle du BMP faits sur l'huile de palme, l’huile de macadamia et l'huile de poisson ont montré que l'hydrolyse des huiles en glycérol et en acides gras à longues chaines n'était pas l'étape limitante dans la production de méthane. L'ajout de gras dans les échantillons de Phaeodactylum dégraissée a augmenté le rendement de méthane et cette augmentation a été corrélée à la quantité de matières grasses ajoutées.

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Includes bibliography

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The gene responsible for coding the leptin hormone has been associated with productive and reproductive traits in cattle. In dairy cattle, different polymorphisms found in the leptin gene have been associated with several traits of economic interest, such as energy balance, milk yield and composition, live weight, fertility and dry matter consumption. The aim of this study was to detect genetic variability in the leptin gene of buffaloes and to test possible associations with milk yield, fat and protein percentages, age at first calving and first calving interval. Three genotypes (AA, AG and GG) were identified by polymerase chain reaction-restriction fragment length polymorphism, which presented genotypic frequencies of 0.30, 0.54 and 0.16, respectively. The allele frequencies were 0.57 for the A allele and 0.43 for the G allele. No significant effects were found in the present study, but there is an indicative that leptin gene affects lipid metabolism. © 2013 Springer Science+Business Media Dordrecht.

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Includes bibliography.

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Productive Epstein‐Barr virus (EBV) replication characterizes hairy leukoplakia, an oral epithelial lesion typically occurring in individuals infected with human immunodeficiency virus (HIV). Serial tongue biopsy specimens were obtained from HIV‐infected subjects before, during, and after valacyclovir treatment. EBV replication was detected by Southern hybridization to linear terminal EBV genome fragments, reverse‐transcriptase polymerase chain reaction amplification of EBV replicative gene transcripts, immunohistochemical detection of EBV replicative protein, and in situ hybridization to EBV DNA. EBV replication was detected in both hairy leukoplakia and normal tongue tissues. Valacyclovir treatment completely abrogated EBV replication in vivo, resulting in resolution of hairy leukoplakia when it was present. EBV replication returned in normal tongue epithelial cells after valacyclovir treatment. These data suggest that normal oral epithelium supports persistent EBV infection in individuals infected with HIV and that productive EBV replication is necessary but not sufficient for the pathogenesis of oral hairy leukoplakia.

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Collaboration is acknowledged as a key to continued growth in the Australian construction industry. Government, as a major industry client, has an important role to play with respect to fostering collaboration and ensuring the global competitiveness of the industry. The paper draws upon data collected for the Construction 2020 study and aims to demonstrate that government can a) help to break down the adversarial situation that currently exists between clients, project managers and subcontractors; and b) allow the supply chain to collaborate more effectively in terms of satisfying the relational and financial needs of all parties. Government can also provide a clear set of guidelines (backed up by a functional dispute resolution system) that will promote confidence with respect to forging relationships. Thus, the paper will discuss the way in which public policy can be more closely aligned with actual industry needs in order to promote greater collaboration.