Decomposition of the rubber tree Hevea brasiliensis litter at two depths

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

Ocorrência de mastite bovina causada por Staphylococcus sp., Streptococcus sp. E Candida sp. em uma propriedade rural no município de Indianópolis – Minas Gerais

The objective of this study was to evaluate the occurrence of bovine mastitis by Staphylococcus sp., Streptococcus sp. and Candida sp. in a rural area of Indianopolis, Minas Gerais. It was realized the California Mastitis Test (CMT) in six collect, a total 671 of milk sample positive. Then the microbiological examination was performed, where the results revealed the presence of 137 milk samples with microbial multiplication. These, showed the presence of Staphylococcus aureus (45.2% of strains), other coagulase negative Staphylococcus (10.2%), Staphylococcus epidermidis (9.4%), Staphylococcus simulans (5.8%), other coagulase negative (15.3%), Streptococcus agalactiae (7.2%), other Streptococcus sp. (5.1%) and yeasts (1.4%). It was found that 100% of Staphylococcus were susceptible to rifampicin, gentamicin and ciprofloxacin; but, resistant to penicillin, tetracycline, and oxacillin. Regarding antimicrobial susceptibility Streptococcus, were employed, except to clindamycin, erythromycin and tetracycline. We conclude that there is a great necessity of proper hygiene practices and taking prophylactic measures taken in order to reduce the infection of animals caused by infectious microorganisms and resistance.

Aditivos na ensilagem do capim-elefante. IV. Fermentação ruminal em ovinos

The ruminai fermentation patterns of sheep fed elephant grass (Pennisetum purpureum Schum.) silage enriched with ground ear corn with husks, wheat bran and saccharin in the levels 0, 8, 16 and 24% dry weight of additive/wet weight of green chop was evaluated. A split-plot randomized block design was used. The plots were the additives and their levels and the sub-plots the time of rumen fluid collection (0, 1, 3, 6, 9, 12 and 24 h after feeding). During the collection period, the sheep were fed 80% of the observed voluntary feed intake of the previous phase. For all additive types and levels used in preparing the silages, high levels of total volatile fat acids were observed, with predominance of the acetic acid. The silages having ground ear corn with husks as additive showed, in the ruminai fluid, ammonia production levels below the recommended for maximum microbial protein synthesis. However, silages with saccharin or wheat bran presented a good ammoniacal-N availability. In the ruminal fluid of the sheep fed ground ear corn with husks or wheat bran the molar proportion of butyric acid was increased and that of acetic acid and pH were decreased, as the levels of the additives in the silage increased.

Bioaerossóis bacterianos em um hospital

Microbial contamination of an enclosed area may come from outside or be generated within the area itself. In the study described here, bioaerosol levels in hospital air were quantified and related to those found in the air outside, taking into account some of the environmental variables that affect air quality, such as the number of occupants of a room and the type of ventilation. Airborne bacteria were collected for five minute by blowing air at 500 L min -1 in high speed jets on to the surface on plates culture in a single-stage bioaerosol impactor. The mean viable count of bacteria in the air outside in the hospital, São Paulo State, was 77 ± 4 CFU m -3, while in the air inside the hospital it was 302 ± 260 CFU m-3. The operating theatre was the only space sampled with a controlled environment and, after orthopedic surgery, it had the highest bioaerosol count recorded (867 ± 482 CFU m-3). In the enclosed environments, nine bacterial species were identified. Despite the difficulty in establishing precise numbers of bacteria in the bioaerosols in hospital environments, the values obtained demonstrate a need to instigate suitable programs to keep the microbial density low in these environments, and eliminate microorganisms presenting a significant risk to their occupants. It is also recommended that such programs include the monitoring of hospital air, with the aim of defining standards for acceptable numbers of bacteria in the bioaerosol.

Avaliação da qualidade da água purificada em farmácias magistrais da região de São José do Rio Preto, SP

Water is the raw material used most in the production of diverse pharmaceutical forms and, being a constituent of the formulation itself, is subject to a number of physico-chemical and microbiological specifications. In addition, it is indispensable for laboratory tests and the cleaning of equipment and apparatus. The aim of this study was to ascertain the degree of physicochemical and microbiological contamination of purified water used in compounding pharmacies in the city of São José do Rio Preto, SP, Brazil. Samples were taken as recommended in the USP Pharmacopeia, with careful aseptic technique, and sent immediately the to quality control laboratory. Physicochemical properties were analyzed, including appearance, pH, conductivity, residue after evaporation, ammonia, calcium, chloride, heavy metals, sulfate and oxidizable substances, and microbiological tests were performed: total aerobic microbial count and detection of total and thermotolerant coliforms and Pseudomonas aeruginosa. Results showed that some parameters did not conform to the standards, especially pH, conductivity, inorganic impurities, oxidizable substances and microbiological test data, in 10%, 17%, 10%, 14% and 20% of the analyzed samples, respectively, This points to the need for greater care in the production and/or storage of purified water in these pharmaceutical establishments.

Velocidade de absorção do glufosinate e seus efeitos em plantas daninhas e algodão

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Insuficiência aórtica subcrônica e vias centrais relacionadas à regulação da ingestão de sódio

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Papel das vias angiotensinérgicas no ventrículo cardíaco esquerdo de ratos submetidos à restrição proteica ou desnutrição gestacional

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Efeitos da terapia fotodinâmica in vitro em biofilmes formados por Candida albicans, Staphylococcus aureus e Streptococcus mutans

Pós-graduação em Biopatologia Bucal - ICT

Atividade antimicrobiana de Mentha piperita L. sobre leveduras do gênero Candida

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Comunidades bacterianas em solos de mata nativa e cultivados com cana-de-açúcar

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Estudo da hidrólise do bagaço de cana-de-açúcar por fungos filamentosos

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Plantas daninhas, atributos biológicos e elementos-traço em latossolo tratado com lodo de esgoto por treze anos consecutivos

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Atributos químicos e biológicos de solos sob diferentes ecossistemas e adicionados de material vegetal de soja

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

Efeitos da aplicação de salmoura com plasma bovino em biceps femoris (coxão duro) injetado, cru e cozido na estabilidade física, química, microbiológica e sensorial

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)