1000 resultados para ALIMENTAÇÃO ESCOLAR - GUARULHOS (SP)


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In this experiment, 96 piglets (Large White x Landrace) were fed simple (SD) or semi-complex (SCD) diets during the initial phase (SP), using a controlled (C) or ad libitum (AL) schedules during the first 14 days of the SP and ad libitum for the rest of SP. By the end of SP one male and one female from each pen were transferred to growing finishing pens where they were fed ad libitum diets specific to each phase. The experimental design consisted of randomized complete blocks with six replicates by treatment. Higher average daily feed intakes (ADFI) were observed during the first 14 days of the SP by pigs fed SCD. Pigs fed AL showed higher ADFI and average daily gains (ADG). No treatment differences were observed between the treatments in feed conversion (FC) or in incidence and severity of diarrhea. Considering SP as a whole, there was no effect of treatments on the variables studied. Treatments used in SF did not affect ADFI and ADG during the growing-finishing phases (GFP), although pigs fed SD showed better FC. The ADG was nor affected by treatments when the total period (SP+GFP) was considered. It can be concluded that a similar performance was obtained when SD or SCD were feci during the initial phase. independently of the feeding system.

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The feeding nonpreference of Plutella xylostella (L.) larvae was tested in regard to the cauliflower genotypes Barcelona, Verona, Piracicaba Precoce, Sharon, Silver Streak (hybrids) and Teresopolis Gigante (cultivar). Choice and no-choice tests were carried out at the laboratories of the Departamento de Fitossanidade, FCAV/UNESP, Jaboticabal, state of São Paulo, Brazil, to study attractiveness and dry mass consumption by 1st-instar (just hatched) and 4th-instar larvae for 24 hours. No significant difference was found for attractiveness in choice and no-choice tests, for both 1st-and 4th-instar larvae. The consumption of dry mass in both tests, with 1st-and 4th-instar larvae, showed a significant difference between genotypes only for 1st-instar larvae, the hybrid Silver Streak being the most consumed (3.72 mg) by P. xylostella larvae. The cauliflower genotypes tested presented no variation in attractiveness for 1st-instar (just hatched) and 4th-instar larvae and did not present nonpreference feeding resistance for P. xylostella larvae.

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The influence of luminosity and of the use of refuges on the initial development of Steindachneridion sp. Garavello (Siluriforme: Pimelodidae) larvae was evaluated. A thousand larvae 18.02 mm high and 62.2 mg weight were used in an entirely randomized design, with five treatments and four replicates, in 35 L-aquarium during 22 days. The treatments consisted on the following environments: darkness without refuges, clear with artificial refuge, darkness with artificial refuge, clear with natural refuge and clear without refuge. All larvae received the same feeding during the experiment. The best survival rates were found for darkness without refuges, clear with artificial refuge and clear without refuge, with 84, 76 and 70%, respectively. The best development was in darkness and without refuges. The treatment darkness with artificial refuge provided significant differences in relation to the other treatments as far as survival and weight are concerned, showing high heterogeneity for weight. Environment without refuges are the most appropriate for the larval development of this specie.

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Pós-graduação em Estudos Linguísticos - IBILCE

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Pós-graduação em Agronomia (Ciência do Solo) - FCAV

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Pós-graduação em Alimentos e Nutrição - FCFAR

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Pós-graduação em Alimentos e Nutrição - FCFAR

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Pós-graduação em Educação - IBRC

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Pós-graduação em Educação - IBRC