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1
tesis de grado
En la presente investigación se evaluó el Efecto antibacteriano de los extractos etanólicos de 4 plantas utilizadas por los pobladores de las zonas de Quequeña Tuctumpaya y Chiguata, frente a bacterias de importancia medica: Staphylococcus aureus y Streptococcus pneumoniae; mediante la técnica de difusión en disco de Kirby Bauer se logró determinar que todos los extractos poseen efecto antibacteriano ante las dos especies bacterianas a una concentración de 30 mg/ml de solvente, los extractos de Origanum vulgare y Rosmarinus oficinallis fueron los que presentaron mayor eficacia, mientras que los extractos etanólicos de Clinopodium bolivianum y Artemisia abrotanum tuvieron menor efecto antibacteriano, los extractos se compararon con el antibiótico Amikacina como control positivo y a partir de la comparación se obtuvo el porcentaje de inhibición de cada uno de los extractos. Deb...
2
artículo
There have been numerous studies about Spectacled bear´s diet, however little is known about the small vertebrates it consumes. This study present nine vertebrate species (seven rodent and two birds) as preys of the Spectacled bear, based on the analysis of six feces collected from two locations Upa (Amazonas) and Lagunas Arreviatadas (Cajamarca) in northern Peru. Six of these records were new food items and a new family Caviidae. Vertebrates were found only in the Upa location. Additionally a sampling of small non flying mammals was conducted in there. Our results suggest that the Spectacled bear would be a generalist species. It prefers plants, however if it finds vertebrates in the environment, it could feed on them.
3
artículo
There have been numerous studies about Spectacled bear´s diet, however little is known about the small vertebrates it consumes. This study present nine vertebrate species (seven rodent and two birds) as preys of the Spectacled bear, based on the analysis of six feces collected from two locations Upa (Amazonas) and Lagunas Arreviatadas (Cajamarca) in northern Peru. Six of these records were new food items and a new family Caviidae. Vertebrates were found only in the Upa location. Additionally a sampling of small non flying mammals was conducted in there. Our results suggest that the Spectacled bear would be a generalist species. It prefers plants, however if it finds vertebrates in the environment, it could feed on them.