While the circulation of avian influenza viruses (IAV) in wild birds in the northern hemisphere has been well documented, data from South America remain sparse. To address this gap in knowledge, we undertook IAV surveillance ...

Backyard production systems (BPS) are a common form of poultry and swine production worldwide. The limited implementation of biosecurity standards in these operations makes BPS a potential source for the emergence of ...

Serum samples from wild and domestic South American Camelids (SAC) from Argentina, collected before (2008), during (2009) and after (2010) the 2009 H1N1 influenza pandemic were tested by hemagglutinationinhibition assay ...

From the revision of 116 specimens of the Potamotrygonidae family collected in the Colombian Amazon River, the four genera described for the family are registered for the study area, with the species Heliotrygon gomesi, ...

Una definición de agroforestería que abarca varios aspectos es: ciencia interdisciplinaria, con tradición, innovación productiva y conservación de la naturaleza donde existen formas de manejo y aprovechamiento de sistemas ...

El género Potamotrygon incluye 33 especies de rayas de rio, pero la identificación de sus especies ha presentado dificultades debido a la escasez de caracteres puntuales para identificar especies, su sistemática compleja ...