810 resultados para CNPQ::CIENCIAS AGRARIAS::CIENCIA E TECNOLOGIA DE ALIMENTOS


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This study aims to examine the contemporary viewer and also propose a review of the literature surrounding the spanish researcher Jésus Martín-Barbero. The proposed review, based on Martín-Barbero observations and the Latin American Cultural Studies analysis, observes the individual as part of the processes of communication and research on the concept of cultural mediation, the viewer as component/agent/object of the production of meaning. The study will perceive it as an element of inaccuracy/inadequacy and understand it as a subject of these reactive processes that contain complex and involve communication and culture, in contrast the impressions that resulted from a discussion between a television professional and a communication researcher and of these findings on the same viewer. The work also aims to point the viewer as a component of the possible mapping desired by Martín-Barbero to massive contemporary interpretation of the processes and its concept of night map

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Cette dissertation a pour thème la formation de la police militaire, dans le contexte de l'insertion dans le nouveau programme scolaire national Matrix (MCN) institutionnalisée pour la formation à la securité publique au Ministère de La Justice (MJ) de La Secrétariat Nationale pour La Sécurité Publique, à partir de 2003. Ce normalisateur document devrait être utilisé comme un paramètre de l'organisation de divers organismes éducatifs dans le domaine de la sécurité nationale. Son institutionnalisation pose elle-même comme étant composé comme um ensemble politiques orientées à formation des professionnels de la sécurité publique qui est en cours de développement au Brésil depuis. En particulier, il a été trouvé dans locus, par le méthode de l observation participant à um cours de formation pour les soldats (CFSD) de La Police Militaire de Rio Grande do Norte (PMRN), en Octobre et Novembre 2007, Centre pour Formation et Perfectionner de PMRN ainsi que par le biais d entrentiens avec la police militaire (PM), changé de la formation, comme nous l avons mise en oeuvre de la l'insertion de la MCN, dans le contexte de l analyse de la violence dans la police militaire de Rio Grande do Norte (RN). Les résultats de l'étude montrent que, en général, le MCN est étant insérés dans CFSD partir de 2004, cette opération fait sentir graduellement dans le visage de certains résistence mennée par une sous-culture (militaires) qui se réinvente dans l'établissement officier de police, résistant aux nouvelles exigences sociales. En outre, il a été noté également que les deux mythes sont limitées à l'imagination, la police brésilienne: le militarisme exarceet le baccalauréat em droit, qui contribuent considérablement à la barrière dans la construction d'une police militaire plus identifié à l'activité professionnelle dédié à la sécurité publique, que de la sécurité nationale. L'élargissement de la compréhension de la violence, en particulier, la police militaire, le travail rend l'utilisation des références théoriques qui cherchent à embrasser la diversité et la spécificité qui guident le processus de formation pour les opérateurs de la sécurité publique, en particulier, en essayant de comprendre comment ils sont construits les références théoriques pour les formateurs et les stagiaires dans une relation dialectique et comment ce contexte mai influencer les attitudes conceptuelles, d'attitudes et de procédure dans l'exercice de la police militaire, que dans le contexte nouveau de l'Etat de droit démocratique, a réellement vécu en contradiction avec les fantômes du temps exception, réalisée pendant la dictature (1964-1985), non loin de l imaginaire social, et ni la police ni les militaires, une institution fortement stigmatisées depuis

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In this work we have analyzed the political commitment of the social assistance sponsored by the Bradesco Foundation in João Pessoa. This Foundation is a private institution of public interest that provides social assistance to low income populations all over Brazil. This kind of work is one of the oldest management initiatives in what is actually referred to as managers` social responsibility. This thesis assumes that managers who are in fact socially responsible should guide their actions by the principles of social democracy, so that everyone can enjoy citizens` social freedom, and guarantee their rights as well as the political awareness of social actors. Analysis of documents and a qualitative approach have been applied to the pedagogical Project of the Foundation, as well as phenomenology to study the social profile of their students. The analysis of the pedagogical project as well as the students` standpoint towards life reveals that the Bradesco Foundation is indeed committed to the social efficacy of its students. The educational proposal of the organization includes those elements that are required for teenagers` education envisaging participative citizenship. The teenagers` speech reveals that they have developed the project identity, being therefore able to take part in the process of political transformation of our time. The results indicate that the Bradesco Foundation not only guarantees some of the basic social rights for the healthy development of those who attend their courses, but also sponsors a high level education providing both a technical and a political formation

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This study critically examines the effects of public policies, implemented by Fundação Estadual da Criança e do Adolescente (FUNDAC/RN), along with adolescents of both sexes, perpetrators of illegal acts in compliance by court order, by socio-educative measures , identifying the contradictions that permeate the understanding and treatment of issue. The aim is to investigate the chances that youths have by living in Centro Educacional Pitimbu and Centro Educacional Padre. João Maria (CEDUC), to become subjects in the exercise of their citizenship. The methodology adopted is the verbal history of life (MEIHY, 2005) of youths that had life experiences in these institutions from 2002 to 2005, allowing researchers to access directly to investigated individuals, through the place where they currently reside, and enabling the reconstitution of their life story, from semi-structured interviews. The young people s statements interviewed were grouped and analyzed from the following categories of analysis: the egress and family, the school and egress, the community and egress, the egress and work, the egress and CEDUC, the egress and experience infringement. The results indicate that, despite the advances in Brazilian legislation for the sector, the actions promoted by these institutions generally would have produced innocuous and stigmatized consequences. Moreover, they show in essence that they carry on their inner contradictions which fundamentally correspond to the interests of the dominant system and a society which uses mechanisms of social policy, in addition to favoring the control and repression. And thus, while such actions remain unable to produce important changes in the conditions of existence of young people who meet by social deprivation of liberty, it is possible to say that the chances are minimal so that they become autonomous subjects in a society that, preferring their punishment, denies them, stubbornly, access to their basic rights. In theory, the researcher dialogues with authors as Foucault, Goffman, Bourdieu, Offe, Bauman, Boaventura Santos, Takeuti, Germano, Ariès, Wacquant, among others

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This study approaches the topic of humanization in health that involves the set of policies implemented by the Ministry of Health in Brazil. Its aims are directed towards a reflection on the guiding theoretical and organizing axes of the National Humanization Policy (NHP) and their repercussions on municipal health policy of Natal, Brazil; an analysis of the results of the policy at the local level; knowledge of the views and experiences of the humanization agents in the daily work process and identification of the main challenges of the policy. The empirical field of investigation was the Family Health Strategy (FHS) of the city of Natal. The assumption of the study is that the FHS has produced local experiences with potentialities that must not be wasted, in which there are difficulties and discrepancies between the real and proposed model. The contradictions and challenges in the social and political context of Brazil in the early XXI century and their consequences in the field of health reflect anti-utilitarian aspects anchored strongly in the theoretical concepts of Boaventura de Sousa Santos about the sociology of privations and emergencies as well as of the work of translating. The predominantly qualitative approach collects some complementary quantitative data. The study procedures used were the following: bibliographic research; documental research; interviews; and direct observation. Interpretation of the information obtained was based on documental analysis and on the symbolic cartography of the social representations. Cartographic evidence suggests that practices still take place under dehumanizing conditions that compromise the quality of care given. However, there is a movement aimed at changing the work process that has been strengthening the link and widening the measures developed, incorporating new directions in diversity, integrality and solidarity. The map drawn shows a reality manifested by explicit intentions in a political agenda, by concrete solutions marked by an assortment of difficulties and expressed in the words of the agents and by latent clues identified in successful local experiences, posing many challenges for the consolidation of the proposed changes

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About two decades ago Brazil has been suffered some important political changes on its government and supporter systems. In these changes the Partido dos Trabalhadores (Workers support) has been researched significant results as much legislation as executive ways. These conquests propitiate a structure for it to get an alternative motion in order to manage public goods by petista government way. Trying to examinate this we can study the Partido dos Trabalhadores government experience in Acre (1999-2002) to know about why the PT government characteristics are different from the others. To do this we assumed to conjecture a popular participation with priorities inversion and ethics in public resources administration. These are the elements of PT government way. This way we started our work making an evaluation of its bibliography. Them we do a field inquiry to analyses documents of the government projects (budget rules law, papers, approved laws, IBGE, PNUD, TSE) and semi-structured interviews with some characters of recent political Acres life. The scheme and the analysis about these givens disclose that weren t confirmed our hypothesis in part, since PT remained old local politics habitus. In other side the executive administration on PT government has got to inflect the Governance . Further on an efficient management as World Bank dispossess but PT absolve many requests of progressive sectors as well it expanded the society participation to resolutions process. By a cabinets enlargement. So it rescues a total administrative course which is printed in the called petista government way. Personally we think so it means important advancements in this Acre government way

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The objectives of this study were to characterize the goat production systems and to identify the factors limiting the production chain and develop solutions to improve the goat industry in the Rio Grande do Norte State, Brazil. One hundred and sixty two questionnaires were applied to goat farmers looking for productive, economic and social information about the utilized systems in the micro regions of Chapada do Apodi and Angicos. The majority producers interviewed were male, aging from 31 to 50 years old, attended elementary school, associated to farm organizations and living with his family on farm. Their main concerns are feeding the heard and animal theft. Their average farmlands areas range from 11 to 50 hectares. Goat meat is the main production in Chapada do Apodi whereas milk is produced by farmers in Angicos micro region. The majority of goat production works with an extensive system, with low technological inputs. It was detected that the meat and milk production as the marketing of goat products is not well conducted. Other point to be improved is to increase the meat and dairy goat products to be available for consumers. Goat systems for meat and milk production has great to potential for this micro regions, although public policies for an organized supply chain is needed

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Given the significant share of food costs of poultry production, it is necessary to use strategies and techniques to maximize the utilization and biological value of the components of the diets, keeping constant or improving animal performance. In this context, seeking partial substitution of corn and the best use of the constituents of the diet, the present study aimed to evaluate the effects of inclusion of cashew pomace dehydrated (BCD) and enzyme complex (EC) in the diet on performance and quality eggs of Japanese quails. A total of 200 Japanese quail at 87 days of age, in 25 cages in a completely randomized design in a factorial 2 x 2 + 1 (two levels of cashew bagasse x two levels of enzymes) + control diet without cashew bagasse totaling five treatments with five replicates of eight birds each repetition. The experiment lasted 84 days, divided into four periods of 21 days. The treatments consisted of T1-Ration Control, T2-ration with 7.5% without EC BCD, T3-ration with 7.5% BCD with CE, T4-Ration with 15% BCD without EC and T5-Feed with 15% of BCD with EC. The enzyme complex (EC) is used fermentation product of Aspergillus niger, and cashew bagasse was obtained from the juice industry, passed through drying and crushing process for producing the bran. The performance and egg quality of quails, and performance variables: feed intake (FI), feed conversion ratio per dozen eggs (CAKDZ) and egg mass (CAMO), egg production (OP% bird / day), average egg weight (PMO) and egg mass (MO), and variables were egg quality, specific gravity (SG), Haugh unit (HU), yolk index, and the relationships between components eggs (%albumen,% yolk and %shell). Data were analyzed with the Statistical SAEG (2007). The 7.5 and 15% of cashew bagasse, independent of the enzyme complex decreased feed intake and improved the average egg weight. The two levels with the addition of EC showed significant differences for feed conversion by egg mass. The 7.5 with the addition of enzyme complex obtained the lowest average feed conversion per dozen eggs. The inclusion of up to 15% of cashew bagasse dehydrated with or without addition of enzyme complex in the diet of Japanese quails not interfere in the internal and external quality of eggs. The 7.5 and 15% BCD without added enzyme complex gave better means for specific gravity. Under conditions in which the experiment was conducted, it can be stated that the inclusion of up to 15% of cashew bagasse dehydrated with added enzyme complex feeding quail is economically viable, with the level of 7.5% with the addition of complex enzyme presented the best economic indices

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Among the traits of economic importance to dairy cattle livestock those related to sexual precocity and longevity of the herd are essential to the success of the activity, because the stayability time of a cow in a herd is determined by their productive and reproductive lives. In Brazil, there are few studies about the reproductive efficiency of Swiss-Brown cows and no study was found using the methodology of survival analysis applied to this breed. Thus, in the first chapter of this study, the age at first calving from Swiss-Brown heifers was analyzed as the time until the event by the nonparametric method of Kaplan-Meier and the gamma shared frailty model, under the survival analysis methodology. Survival and hazard rate curves associated with this event were estimated and identified the influence of covariates on such time. The mean and median times at the first calving were 987.77 and 1,003 days, respectively, and significant covariates by the Log-Rank test, through Kaplan-Meier analysis, were birth season, calving year, sire (cow s father) and calving season. In the analysis by frailty model, the breeding values and the frailties of the sires (fathers) for the calving were predicted modeling the risk function of each cow as a function of the birth season as fixed covariate and sire as random covariate. The frailty followed the gamma distribution. Sires with high and positive breeding values possess high frailties, what means shorter survival time of their daughters to the event, i.e., reduction in the age at first calving of them. The second chapter aimed to evaluate the longevity of dairy cows using the nonparametric Kaplan-Meier and the Cox and Weibull proportional hazards models. It were simulated 10,000 records of the longevity trait from Brown-Swiss cows involving their respective times until the occurrence of five consecutive calvings (event), considered here as typical of a long-lived cow. The covariates considered in the database were age at first calving, herd and sire (cow s father). All covariates had influence on the longevity of cows by Log-Rank and Wilcoxon tests. The mean and median times to the occurrence of the event were 2,436.285 and 2,437 days, respectively. Sires that have higher breeding values also have a greater risk of that their daughters reach the five consecutive calvings until 84 months

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The low quality of tropical pastures in the dry season justifies the use of dietary supplements to meet the nutritional needs of sheep to meat production. Therefore, the objective of this experiment was to evaluate the agronomic characteristics of massaigrass in the dry season and the effect of protein supplements in the performance and productivity of sheep to meat production grazing. The protein supplements evaluated were: soybean meal, Leucena hay, Gliricidia hay and multiple mixture. The animals were managed in massaigrass pastures under rotational stocking and supplemented daily. Were used 24 sheep ½ Santa Inês x ½ SPRD (without defined breed), males uncastrated, mean age 90 days in a completely randomized design. Performance of sheep was evaluated for average daily gain of live weight gain per area and stocking rate (animals of 25 kg/ha). The pasture was evaluated for forage mass of pre and post-grazing, the percentages of participation of morphological constituents and their nutritional values and rates of herbage accumulation. The total herbage mass decreased throughout the dry season. Crude protein and in vitro digestibility of organic matter of the leaf were higher in the upper 15 cm of the canopy stratum. The average daily weight gain of the animals supplemented with legume hay was similar to that gained by animals supplemented with soybean meal in the four grazing cycles. The total live weight gain of animals supplemented with legume hay was higher than the animals supplemented only with multiple mixing the first two grazing cycles. Hays of Leucena and Gliricidia can be given for supplementation of sheep maintained on pasture

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The objective of this work was to evaluate the effect of supplements feeding on growth of calves grazing a Panicum maximum cv. Mombaça pasture during the dry season. The experimental design was a randomized blocks with three treatments and three replications. The treatments were: mineral salt ad libidum; multiple mixture (MM) fed at 0.2% of live weight (PV); and, concentrate feed (SC) fed at 0.7% of PV. Thirty six weaned calves averaging eight months and 192 kg of initial live weight were utilized. The masses and pasture components, nutritive value and rate of forage growth were evaluated. Animal performance was measured as average daily gain (ADG) and live weight gain (LWG). The supplemental feeding was adjusted after weighing. There was no difference between periods for forage mass and leaf: stem ratio. The highest values for forage green mass, leaf blades mass and stem percentage were observed in the first trial period. The canopy height and the available forage on offer did not differ among treatments. The percentage of dead was higher for the last periods of evaluation. The leaf: stem ratio and the leaf percentage were greater in the second period. There was significant difference (p<0,05) among treatments for the ADG and were 250, 460 and 770 g/day for salt, MM and SC, respectively. The biggest LWG was observed in the treatment SC. contents of PB, DIVMO, NDF and LDA on leaf blades, thatched roofs and dead material dead not differ among treatments. The highest GPV was observed in the SC treatment. The contents of PB, DIVMO, NDF and LDA for leaf blades stem and dead material did not differ among treatments. Independent of the use supplements , it is possible to keep steers gaining weight, during dry season, since the stocking rate is appropriately adjusted

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Three pig genetics lineages A, B and C marketed in Brazil, were stunning with the manual electric stunning (Karl Schermer 220-230/250 volts, 45-60 Hz and 1.4 - 1.5 A) and the collective gaseous system (COMBI-BUTINA 90% CO 2). The electric stunning provided higher blood splashed levels in the areas of the inside round (0.477 and 0.26, p ≤ 0.01), shoulder/cranial (0.154 and 0.039, p ≤ 0.005), shoulder/central (0.261 e 0.052, p ≤ 0.001), shoulder/caudal (0.180 and 0.030, p ≤ 0.01), loin/central (0.185 and 0.065, p ≤ 0.01), loin/caudal (0.06 and 0.207, p ≤ 0.01) and loin/lateral external (0.061 and 0.013, p ≤ 0.05), as well as more diffuse blood splashed in the areas of the inside round (0.461 and 0.279, p ≤ 0.05), shoulder/cranial (0.154 and 0.039, p ≤ 0.001), shoulder/central (0.231 and 0.039, p ≤ 0.001) and shoulder/caudal (0.185 and 0.026, p ≤ 0.001). The electric stunning also provided higher skin damage levels in the areas of the shoulder (1.098 and 0.795, p ≤ 0.001), body (1.04 and 0.948, p ≤ 0.05) and ham (0.84 and 0.68, p ≤ 0.001), as well as higher eyelid reflex levels (11.57%) comparatively to the gaseous system (2.86%) of a total of 426 pigs. Small indexes of bone fractures and muscle bruises were found in both systems.

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Pigs of three genetics lineages A, B and C marketed in Brazil, with alive weight from 100 to 120 kg were submitted to the manual electric stunning (Karl Schermer 220-230/250 volts, 45-60 Hz and 1.4 -1.5 A) and to the collective gaseous system (COMBI-BUTINA 90% CO 2). Blood samples, for levels determination of creatine phosphokinase (CPK), lactate and cortisol, as well as samples of the semimembranosus muscle (10 g) for the determination of the gene halothane, were collected. Being compared the electric and gaseous stunning systems, the electric stunning did demonstrate to be more stressful providing larger plasmatic concentrations of cortisol (p ≤ 0.001) and lactate (p ≤ 0.001) for the genetic lineages A and C, in the studied conditions. However it didn't observe significant differences beween the sanguine indicators and stunning systems in subject when the lineage B was considered. Significant differences among the genetic lineages A, B and C were obtained being compared the plasmatic values of creatine phosphokinase (p ≤ 0.001), lactate (p ≤ 0.001) and cortisol (p ≤ 0.001) when stunned with the gaseous system, however when the electric system was used only the cortisol values presented significant differences (p ≤ 0.001). The presence of the gene halothane (Nn) was only observed in the lineage B.

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Effect of extrusion parameters was studied on the expansion index, specific volume, water absorption index (WAI) and water solubility index (WSI) of expanded yam snacks. The central composite design was used to study the parameters effect. It was verified three levels of temperature in the barrel (100, 115 and 130°C), three levels of screw speed (163, 204 and 245 rpm) and three levels of flour moisture (12, 15 and 18%). The results showed that expansion properties (expansion index and specific volume) depend on flour moisture and extrusion temperature. The WSI was dependant of three parameters. Higher levels of temperature and screw speed increase the water solubility index (WSI). The studied parameters did not influence the water absorption index (WAI).

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Milk goats are indicated as an economic alternative for small farmers and cheese making could improve their profits. Goat's milk has a seasonal production characteristic and shows periods of abundance and others of scarcity. The use of frozen milk or frozen curd to make cheese can be used to solve the problem. The aim of this work was to evaluate the preparation of cheese made from mixed curd and ripened by Penicillium candidum mould using slow frozen milk (in a domestic freezer) or fast frozen milk (by liquid nitrogen). The slow frozen curd and fast frozen curd without whey were used. It was observed that the cheese from the slow and fast frozen milk and from the slow and fast frozen curd did not differ from the control cheese for the yield, chemicophysical characteristics, chemical composition, extention ripened rate, depth ripened rate and microbiological aspects, even when it was expressed as a dry matter content of cheeses.