El Cerrato hills or cerrales". Other sources say it comes from the Latin serrare, in the sense of an enclosed area, fenced or cordoned off. In the moors there are hares (leporidae), rabbits (oryctolagus cuniculus), partridges (phasianidae) and turtle doves (columbina). Along the river channels there is the presence of herons (nycticorax nycticorax), otters (lutra lutra), the Pyrenean desman (galemys pyrenaicus), while in the moors are found the Great Bustard (otis tarda), Little Bustard (tetrax tetrax) and montagu's harrier (circus pygargus), a species listed in the Catálogo Nacional de Especies Amenazadas or "National Catalogue of Endangered Species" (Royal Decree 439/1990, of 30
Edwardsiella tarda pathogenic to fish. J. Appl. Microbiol. 114(3)644-54. Edwardsiella tarda Edwardsiella tarda is a member of the family "Enterobacteriaceae". The bacterium is a facultatively anaerobic, small, motile, gram negative, straight rod with flagella. Infection causes Edwardsiella septicemia (also known as ES, edwardsiellosis, emphysematous putrefactive disease of catfish, fish gangrene, and red disease) in channel fish, eels, and flounder. "Edwardsiella tarda" is also found in largemouth bass and freshwater species such as rainbow trout. It is a zoonosis and can infect a variety of animals including fish, amphibians, reptiles and mammals. "Edwardsiella tarda" has also been the cause of periodic infections for