The development of turbot Scophthalmus maximus culture has resulted in an increase of pathological problems involving mainly bacterial infections. During 1990, mortalities were detected in some grow-out facilities in Galicia, Spain, and were attributed to the microsporidian Tetramicra brevifilum Matthews & Matthews, 1980. The outbreak lasted for 3Y2 mo. The start of the outbreak was associated with a drop in temperature. Affected fish showed an erratic swimming behaviour, swelling of different parts of the body, darkening of the dorsal surface, and overproduction of mucus on the surface of the body. Fish with a high intensity of infection had jelly-like muscles. Small xenomas formed by T brevifilum were found to be associated with regressive changes of the host tissue, with agglomerations of mature spores eliciting sometimes inflammatory reaction of the host. The agglutinin titers detected in naturally infected fish were low. There was a light host response. Electrophoresis of sera from naturally infected fish showed an additional protein band (molecular weight: 128 kDa) not found in uninfected samples. Results suggest that although turbot infected with microsporidians are immunologically impaired, the immunodepression does not increase the susceptibility of fish to vibriosis.
La política informacional ha propiciado un cambio de relaciones entre la administración pública y los medios de comunicación, entre el político y el periodista o entre el alcalde y el ciudadano; ha estrechado el contacto y generado nuevas formas de comportamiento y de relaciones entre ambos espacios y actores de la vida social. Este trabajo pretende mostrar cómo las redes sociales han trasformado la relación entre ayuntamientos y medios de comunicación, así como evidenciar el papel de los ciudadanos en este nuevo marco de interacción social.
En esta investigación se desarrolló un sistema de información que da seguimiento a los proyectos de sentencias en un ambiente web gestionados por el Tribunal de lo Contencioso Administrativo para mejorar la impartición de justicia. El sistema prevé una mejora en la productividad de los procesos involucrados para el dictamen de sentencias, utilizando bitácoras para el registro histórico de las actividades incluyendo los tiempos respectivos de cada actividad involucrada durante el proceso y estableciendo puntos de verificación para conocer el avance del litigio.
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