991 resultados para comprimento do dia
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The aim of this paper was to analyze the length-weight relationship and the condition factor of two species of cichlids (Cichla cf. ocellaris and Cichla monoculus) (Perciformes, Cichlidae) that were inducted in Volta Grande Reservoir, Rio Grande. There was no difference in the length-weight relationship between the sexes for Cichla cf. ocellaris and Cichla monoculus. The allometric condition factor showed a fall in the spring and another smaller one in the winter. It happens when these fishes change their feeding activity. In the spring all the reproductive behavior are developed and, in the winter, there is a shortage of prey. The variation of the relative condition factor followed the variation of the allometric condition factor due to the low contribution of the gonads weight and the small amount of accumulated fat in the total weight. The length distribution, length-weight relationship and condition factor of these fishes vary in accordance with the time of introduction into the reservoir, the characteristics of the ecosystem as well as the interactions among the species at these sites.
Mensuração do comprimento das fibras para a determinação da madeira juvenil em Eucalyptus citriodora
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The juvenile wood has peculiar characteristics from the anatomical structure and physical-mechanical properties, considering these aspects the knowledge of the wood is essential for wood adequate utilization. The aim of this work was to determinate the zone of juvenile wood of pith-bark direction in Eucalyptus citriodora. The juvenile and mature wood zones were determined across fiber length measurement in various height in the tree stem. Results showed that juvenile wood zone occurs approximately up to the 45 at 55 mm from the pith.
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In this study, the length-weight relationship and the condition factor of Brycon opalinus were analyzed in three rivers within the Santa Virgínia Unit, at Serra do Mar State Park, in São Paulo State. The different conditions in these three environments were evidenced, such as the seasonality, reproductive period, and the differences between females and males according to the parameters which evidenced the best physiological condition of the fish. In this species, the condition factor varied along the seasons at all three collection sites. The length of the first gonadal maturation and the reproductive period were long, with the highest intensity in the spring and summer.
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The length-weight relationship and condition factor of Salminus hilarii were analyzed in a section of the lower part of the Sorocaba river basin, São Paulo State. By studying male, female and immature individuals separately, different length-weight patterns were found for each. The same happened when distinct seasonal variations of the relationships were compared, related to feeding alterations and to the reproductive period of the species.
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The length-weight relationship and condition factor for Cichla kelberi introduced in an artificial lake in southeastern Brazil were analyzed. By studying separately the male, female and immature individuals, different length-weight patterns were found to happen among them. The same happened when distinct seasonal variations were compared. They are related to feeding alterations and me reproductive periods. The length-weight relationship and condition factor for these fishes vary in accordance with the time of introduction, population size, the characteristics of the ecosystem, sexual maturity, as well as the intra- and interspecific interactions.
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In bovine females the release of prostaglandin F 2α (PGF 2α) is induced in vivo by estradiol (E 2). It is believed that E 2 stimulates the synthesis of essential proteins for the production of PGF 2α. This study aimed to evaluate the effect of E 2 in increasing the concentration of total protein and modifying the protein composition of endometrial explants from bovine females treated with E 2 at the 17 th day of estrous cycle. Crossbred heifers were treated at 17 th day of estrous cycle intravenously with 0 mg (Control Group; n = 6) or 3 mg of E 2 (E 2 Group; n = 6) and killed two hours after. Endometrial explants were isolated, subjected to extraction of total protein, quantified and were analyzed by onedimensional electrophoresis on polyacrylamide gel 10% SDS-PAGE. The concentration of total protein did not differ between groups, 6296.10 + 439.90 μg/mL for the Control Group and 8426.56 + 1156.00 μg/mL for E 2 Group (p = 0.1158). There was no significant difference (p > 0.05) in the protein profile of endometrial explants in gels stained with Coomasie Blue. In gels stained with Silver Nitrate it was verified in E 2 Group greater relative percentage of the bands referring to the molecular weight of 75 to 76 kDa (8.40% vs. 4.89% in E 2 Group and Control respectively; p < 0.05) and 108 to 110 Kda (6.85% vs. 3.84% in E 2 Group and Control respectively, p < 0.05). It was observed in E 2 Group lower relative percentage of the band referring to the molecular weight of 90 kDa (5.78% vs. 9.83% in E 2 Group and control respectively; p < 0.05). We concluded that the E 2 does not increase the protein concentration in the endometrium, however, it modifies the proteinic composition in the endometrial explants, indicating that E 2 alters the expression of specific proteins.
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This is a qualitative study aiming at understanding how patients discharged from a Mental Health Day Hospital view the service, at learning whether such service contributed to changes in their lives and at whether those individuals continued treatment. Semi-structured interviews and documental research were used for nine patients who had completed treatment at the service in 2008. Thematic analysis was adopted for organization of the data obtained, which were analyzed according to the Psychosocial Rehabilitation framework. It emphasizes the importance of looking for the various subjective aspects of human existence, requiring from services and professionals the establishment of a caring relationship that enables the reconstruction of trajectories interrupted by the onset of the disease, through actions that consider the integrality and intersectionality.
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The objective of this work was to evaluate the agronomic performance and grain quality, especially the grain technological characteristics in the common bean genotypes, cultivated in winter-spring season. The experiment was carried out in Jaboticabal-SP, in a Rhodic Hapludox. The experimental design was a randomized block with 17 treatments (genotypes) with three replications. The plots had been composed for 17 carioca common bean group genotypes (Pérola, BRS Cometa, BRS Pontal, IPR Juriti, CNFC 10703, CNFC 10713, CNFC 10716, CNFC 10721, CNFC 10729, CNFC 10733, CNFC 10742, CNFC 10753, CNFC 10757, CNFC 10758, CNFC 10762, CNFC 10763 and CNFC 10813). BRS Pontal and CNFC 10716 showed simultaneously the higher number of per plant and grain yield. The technological characteristics more expressive was verified in CNFC 10703, CNFC 10713, CNFC 10758, CNFC 10813 and CNFC 10716 genotypes, principally about the protein content, cooking time and grain hydration capacity. The CNFC 10716 genotype detached as promissory, because their elevated agronomic performance and satisfactory technological characteristics.
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em Zootecnia - FCAV
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Incluye Bibliografía
Efeito da pectina cítrica sobre o desenvolvimento e a saúde do intestino delgado de frangos de corte
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)