| prevalence of neurotoxic clostridium botulinum type c in the gastrointestinal tracts of tilapia (oreochromis mossambicus) in the salton sea. | tilapia (oreochromis mossambicus) have been implicated as the source of type c toxin in avian botulism outbreaks in pelicans (pelecanus erythrorhynchos, pelecanus occidentalis californicus) at the salton sea in southern california (usa). we collected sick, dead, and healthy fish from various sites throughout the sea during the summers of 1999 through 2001 and tested them for the presence of clostridium botulinum type c cells by polymerase chain reaction targeting the c(1) neurotoxin gene. four o ... | 2004 | 15465707 |
| pesticides and pcbs in sediments and fish from the salton sea, california, usa. | the salton sea, the largest manmade lake in california, is officially designated by the state of california as an agricultural drainage reservoir. the purpose of this study was to determine organochlorine and organophosphorous pesticides, as well as polychlorinated biphenyl (pcb) concentrations in sediments and fish tissues in the salton sea and evaluate the relative ecological risk of these compounds. sediment samples were taken during 2000-2001 and fish tissues (tilapia mossambique, cynoscion ... | 2004 | 15041284 |