1000 resultados para leite cru


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Pós-graduação em Zootecnia - FMVZ

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Pós-graduação em Genética e Melhoramento Animal - FCAV

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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

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This study aimed to analyze the energy efficiency ratings and cost of farming families producing milk in the city of Pardinho (SP). The hypothesis that guides the study is that energy expenditure may be coincident with the economic expenditure showing that there is a relationship between these flows, which can be sustainable or not. To better define the producers studied criteria were used in the official system of rural credit FEAP. Through primary data obtained by the speeches, the itineraries were reconstituted technical detailing the operations employed. Thus, we found two producers with different technical routes. The producer was the one who got one of the highest efficiencies 8.66 and 1.48 respectively. Related to the efficiency, we can see that are close related and when there is a broader idea of the allocation of energy resources and, thus, a better view of the sustainability of the agro ecosystem.

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The study aimed to analyze the energy and economic efficiency rate family farms producing milk in the county of Pardinho, Sao Paulo State. The criteria used to define producers in this study is that outlined by the Brazilian agricultural credit system FEAP (Fund Expansion of Agribusiness Paulista). Through primary data, obtained by verbal reports, the agroecosystem technical itineraries were re-established, detailing the process applied, machinery, implements, equipment, supplies and manual work. These were transformed into energy and economic units, which allowed determining the established connection between energy economics outputs and inputs. The hypothesis of this study is that the energetic expenditure may be coincidental with economic expenditures. The energetic and economic flows were analyzed, using a structure of expenditures, by type, source and form of gross energy, as well as the energetic point of view. Four producers were found to have different technical itineraries. Producers 1 and 2 achieved the highest energy and economic efficiency rates. The producer with the lowest efficiency rates was producer 4. The energy sources not renewable like chemical fertilizers were the most used reaching an average of 82.9% for the energy and 52.86% for the economic expenditures. When comparing energy and economic efficiency it is possible to verify that both forms of analysis are close, obtaining a broader idea about energy resources allocation.

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Pós-graduação em Ciência dos Materiais - FEIS

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In all segments, the companies are looking for the highest productivity with the lowest possible cost, and in the construction industry, the thinking is the same. Over time, techniques that generate more productivity supplanted previous techniques; an example is the CAD technology that replaced free drawings in projects execution. However, the Computer Aided Design (CAD) technology does not deal with certain factors that permeate the entire project. It is required the use of other techniques to supply this need in traditional projects. For example, a software for schedule management, another for assets management and a person who makes calculations for estimates and budgets. The BIM (Building Information Modeling) technology aims to integrate all this information, facilitating the communication among members of a work team and reducing the time required to carry out the project. This work is a applied research, a descriptive research, carried out through modeling and simulation, processes inherent in the use of BIM, a survey was also used only to contextualization. BIM was used for a soccer stadium roof project, in order to verify the feasibility of such use through the analysis of: BIM tools, difficulties encountered and implications of BIM use, and comparison of traditional methods and the use of BIM. To aid the contextualization, a survey was conducted to verify the use of BIM in medium and small companies

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In all segments, the companies are looking for the highest productivity with the lowest possible cost, and in the construction industry, the thinking is the same. Over time, techniques that generate more productivity supplanted previous techniques; an example is the CAD technology that replaced free drawings in projects execution. However, the Computer Aided Design (CAD) technology does not deal with certain factors that permeate the entire project. It is required the use of other techniques to supply this need in traditional projects. For example, a software for schedule management, another for assets management and a person who makes calculations for estimates and budgets. The BIM (Building Information Modeling) technology aims to integrate all this information, facilitating the communication among members of a work team and reducing the time required to carry out the project. This work is a applied research, a descriptive research, carried out through modeling and simulation, processes inherent in the use of BIM, a survey was also used only to contextualization. BIM was used for a soccer stadium roof project, in order to verify the feasibility of such use through the analysis of: BIM tools, difficulties encountered and implications of BIM use, and comparison of traditional methods and the use of BIM. To aid the contextualization, a survey was conducted to verify the use of BIM in medium and small companies

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A apoptose de leucócitos polimorfonucleares (PMN) é um evento central no processo de resolução da inflamação. Sendo a contagem de células somáticas (CCS) um indicador da situação imunológica da glândula mamária, o presente estudo buscou esclarecer a influência que esses fatores têm um sobre o outro e sobre a evolução do processo inflamatório. Marcaram-se as amostras de leite com anexina-V, iodeto de propídeo (PI), anticorpo anti-CH138A. Encontrou-se correlação negativa entre apoptose de PMN e CCS, além de diferença estatística entre um grupo de alta CCS e um grupo de baixa CCS quanto à taxa de PMN viáveis, em apoptose, em necrose e em necrose e/ou apoptose. De modo geral, o grupo de alta celularidade apresentou menos CH138+ em apoptose e mais células em necrose ou viáveis do que o grupo de baixa celularidade. Conclui-se que apoptose de PMN e CCS estão relacionados, e que em mamas com CCS elevada este evento está diminuído. Apesar de haver maior disponibilidade de fagócitos para a defesa nessa situação, os efeitos anti-inflamatórios da apoptose também estão diminuídos, enquanto os efeitos pró-inflamatórios da necrose estão aumentados, o que pode colaborar com a cronificação da inflamação.

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Objetivou-se avaliar o efeito de diferentes ofertas de forragem em pastagem de estrela africana (Cynodon nlemfuensis Vanderyst var. nlemfuensis), sobre a taxa de desaparecimento de forragem (TDF) e a produção de leite de vacas mestiças Holandês x Gir. Trinta animais foram submetidos a três ofertas de forragem (OF) distintas, sendo 10,0 12,5 e 15,0% do peso corporal. Houve influência da OF sobre a TDF (P<0,001). Para cada unidade de acréscimo da OF, a TDF aumentou 140,0kg ha-1 dia-1. Houve efeito da relação folha:colmo sobre a produção de leite (P<0,05). O aumento da oferta não refletiu em incremento da produção de leite em função do manejo empregado para obtenção das ofertas e estádio de crescimento das plantas.