Quality control in fish hatcheries is of paramount importance to achieve the desired characteristics of larvae and fry, either for the market or release to the wild. Quality programmes are applied in a day to day basis having direct implications for production management and final costs of product. Most common criteria used for larval quality assessment are morphometrics, condition factor, histometrical indices...
A fitorremediação é um processo promissor de descontaminação de solos em que a planta é utilizada como um mecanismo de alocação do agente contaminante e indesejável ao sistema tratado. Plantas de Cyperus rotundus, colhidas em área onde ocorreram descartes de resíduos industriais, foram avaliadas utilizando microscopia óptica (MO) e plasma de argônio indutivamente acoplado (ICP-AES). O trabalho objetivou avaliar...
Dental caries and periodontal disease are associated with oral pathogens. Several plant derivatives have been evaluated with respect to their antimicrobial effects against such pathogenic microorganisms. Lippia sidoides Cham (Verbenaceae), popularly known as "Alecrim-pimenta" is a typical shrub commonly found in the Northeast of Brazil. Many plant species belonging to the genus Lippia yield very fragrant essent...
Amostras de bagaço de cana e resíduos de cultura de arroz e algodão foram irradiadas com feixes de elétron, em acelerador industrial tipo Dynamitron para verificar os efeitos da dose de irradiação na digestibilidade da matéria seca e na composição química e estrutural. Os tratamentos consistiram na aplicação de 200, 400, 600, 800 e l000kGy com ou sem aplicação de amônia gasosa para o bagaço de cana e 200kGy com...
Citrus leprosis is the main viral disease affecting citrus in Brazil. Viral diseases can affect the mineral composition of citrus leaves, inducing mineral deficiencies. The aim of this work was to verify the influence of citrus leprosis on the mineral composition of citrus leaves, cultivar Pera. Orange seedlings were grown in pots containing sterile soil, and kept under greenhouse conditions. When plants had 15...
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