demonstration and isolation of clostridium botulinum types from whitefish chubs collected at fish smoking plants of the milwaukee area.a total of 1,071 whitefish chub samples were examined at eight stages of processing, including sampling aboard ship, various processing steps in the smoking plant, and display in retail cases. the frequency of clostridium botulinum contamination of freshly caught and eviscerated chubs was approximately 13 to 14%. the highest percentage of contamination (20%) was noted among chubs sampled at the brining step of processing. the prevalence of contamination among chubs sampled at other processing st ...19674860531
toxicoinfectious botulism in commercial caponized chickens.during the summer of 2003, two flocks of commercial broiler chickens experienced unusually high death losses following caponizing at 3 wk of age and again between 8 and 14 wk of age. in september, fifteen 11-wk-old live capons were submitted to the iowa state university veterinary diagnostic laboratory for assistance. in both flocks, the second episode of elevated mortality was associated with incoordination, flaccid paralysis of leg, wing, and neck muscles, a recumbent body posture characterize ...200516094840
genetic diversity of clostridium sporogenes pa 3679 isolates obtained from different sources as resolved by pulsed-field gel electrophoresis and high-throughput sequencing.clostridium sporogenes pa 3679 is a nonpathogenic, nontoxic model organism for proteolytic clostridium botulinum used in the validation of conventional thermal food processes due to its ability to produce highly heat-resistant endospores. because of its public safety importance, the uncertain taxonomic classification and genetic diversity of pa 3679 are concerns. therefore, isolates of c. sporogenes pa 3679 were obtained from various sources and characterized using pulsed-field gel electrophores ...201526519392
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