Pressão e temperatura da água de lavagem na população microbiana da superfície de carcaças bovinas

The aimm of this study was to evaluate the influence of washing water temperature and pressure on mesophilic and psycluotrophic aerobic bacterial populations, yeasts and molds, total conforms and fecal coliforms population, whereas the cattle carcass surface may become contaminated during the different slaughter procedures and the final carcass washing may reduce microbial population Samples were taken by sponge swabbing in four areas of carcass surface (flank, neck, chest and rump), from which 20 were washed with write, at 25 degrees C and without artificial pressure, 20 with water under a pressure of 3atm, 20 with water at 40 degrees C and without artificial pressure and 20 with water at 40 degrees C under a pressure of 3atm For control purpose and using the same method to collect more 20 carcasses samples were taken without washing., loading 100 samples The results showed that the water at 25 degrees C undo 3atm pressure was more efficient to remove microorganisms from carcass surface than the heated water, although this latter promoter a mote visible clean carcasses

Estudo do mecanismo de corrosão por pites em água do mar de aços inoxidáveis supermartensíticos microligados com Nb e Ti

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

Caracterização morfológica e fenotípica de leveduras do gênero Cryptococcus com ênfase na pesquisa de Cryptococcus neoormans isoladas de amostras de água de mar e areia de três ambientes costeiros do estado de São Paulo: Canal de São Sebastião, Baixada Santista e Ubatuba

The yeast Cryptococcus neoformans is the etiologic agent of cryptococcosis, an infectious cosmopolitan disease that affects humans. Although rare, this disease is potentially fatal, especially for immunocompromised hosts. This pathogen is frequently isolated from excrements of pigeons and parrots, with many environmental sources such as birds, pigeon droppings, eucalyptus leaves, decaying trees, towers, churches and places of storage of grain (the port area). The isolation of this microorganism has been obtained also from the aquatic environment. The identification of environmental sources is needed to protect human health, especially susceptible populations such as immunocompromised. Therefore, this study investigated the presence of Cryptococcus neoformans in yeast isolates obtained from samples of sea water and sand from three regions of São Paulo: São Sebastião Channel, Santos and Ubatuba. Isolates were analyzed according to micro-and macroscopic characteristics and biochemical tests: microculture, urease, ink nankin, auxanograma, zymogram and phenol. We analyzed 199 isolates, 175 of which had features suggestive for Cryptococcus spp. in microculture. All these 175 isolates were sown in the Christensen urea middle to verify the production of urease and submitted to the technique nankin ink to visualize the capsule. Of these, only 24 were selected for the next test that was the auxanograma (assimilation of carbohydrate and nitrogen). Of the 24, 10 were tested in zymograms (fermented sugar), from which 5 were selected for the phenoloxidase test in medium containing dopamine. None of the 5 isolates tested had black or brown color characteristic of Cryptococcus neoformans. According to these tests, we arrived at 5 isolates identified to the genus Cryptococcus, but not the neoformans specie

Fidelidade composicional de assembléias de braquiópodes (Rhynconelliformea) na plataforma e talude continental: implicações paleontológicas e geológicas

This paper deals with the Compositional Fidelity of the brachiopods assemblages, dominated by Bouchardia rosea, on the outer shelf and continental slope along São Paulo State. Samples were obtained during the Revizee-Score-Sul-Benthos program. The sampled stations are in sites as depth as 90 to 600 meters, along the outer continental shelf, the shelf break and the top of continental slope. The fidelity estimates were obtained directly from the comparisons between living biota and dead shells, from the same collecting stations. Data come from 66 sampling stations, and the vast majority of the Bouchardia rosea individuals collected (n=2393) were dead (n = 2342, 97.9%). Only 51 individuals were collected alive. When pooling the data from all collecting stations the dead/live frequency is of 2,1% only. The occurrences of Bouchardia rosea shells in siliciclastic bottoms are reduced and living individuals were not found on this type of bottom, at least during the sampling program. These results suggest low compositional fidelity (live-dead) or high compositional mismatch, pointing to a recent decrease in this specie population. The low compositional fidelity of the Bouchardia rosea assemblages in outer shelf sites may be due to changes in seawater temperature, nutrient availability and population history. All these issues must be investigated in the near future

Influência da temperatura e de cargas de nutrientes no crescimento da macrófita aquática flutuante Eichhornia crassipes (Mart.) solms cultivada em água enriquecida artificialmente

Pós-graduação em Ciências Biológicas (Biologia Vegetal) - IBRC

Biologia e ciclo de vida de Astyanax cf. scabripinnis paranae Eigenmann, 1914 (Characidae, Tetragonopterinae), no Ribeirão Grande, Parque Estadual da Serra do Mar, núcleo Santa Virginia, SP

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

Teste de submersão em água para avaliação do vigor de sementes de milho

Pós-graduação em Agronomia (Agricultura) - FCA

Efeito da estocagem a curto prazo e da temperatura sobre gametas de jundiá, Rhamdia quelen (Quoy & Gaimard, 1824)

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Descrição da resposta germinativa de cultivares de Phaseolus vulgaris L. (Fabaceae) à temperatura e ao potencial osmótico

Pós-graduação em Ciências Biológicas (Biologia Vegetal) - IBRC

Dinâmica populacional do siri azul Callinectes danae Smith, 1869 (Crustacea, Decapoda, Portunoidea) na região de Ubatuba, SP, Brasil

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Estudo químico e biológico do fungo endofítico C80 (Phaeosphaeriaceae) associado à alga marinha Bostrychia radicans

Pós-graduação em Química - IQ

Resposta comportamentiais do ouriço-do-mar preto a pistas químicas que indicam risco de predação

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Comunidade de macroinvertebrados bentônicos e qualidade da água e do sedimento das bacias hidrográficas dos rios Lavapés, Capivara, Araquá e Pardo, município de Botucatu(SP) e região

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

Distribuição espacial dos decapoditos e caranguejos juvenis num estuário tropical

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Distribuição espaço-temporal, estrutura populacional e biologia reprodutiva de Callinectes Ornatus Ordway, 1863 na enseada da Fortaleza, Ubatuba (SP), Brasil

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)