Publications

jejunal hematoma in cattle: a retrospective case analysis.	sixteen years of adult cattle submissions to the california animal health and food safety laboratory system were examined and data captured from cases with anaerobic cultures of intestinal content. analysis was performed to determine if there were statistical differences between case submission types (nonbloody intestinal content [129 cases], bloody intestinal content [134 cases], and jejunal hematoma [jh; 51 cases]) for the presence of clostridium perfringens (314 cases), c. perfringens toxinot ...	2014	24532694
surveillance for zoonotic and selected pathogens in harbor seals phoca vitulina from central california.	the infection status of harbor seals phoca vitulina in central california, usa, was evaluated through broad surveillance for pathogens in stranded and wild-caught animals from 2001 to 2008, with most samples collected in 2007 and 2008. stranded animals from mendocino county to san luis obispo county were sampled at a rehabilitation facility: the marine mammal center (tmmc, n = 175); wild-caught animals were sampled at 2 locations: san francisco bay (sf, n = 78) and tomales bay (tb, n = 97), that ...	2014	25266897
clostridium perfringens type c and clostridium difficile co-infection in foals.	clostridium perfringens type c is one of the most important agents of enteric disease in newborn foals. clostridium difficile is now recognized as an important cause of enterocolitis in horses of all ages. while infections by c. perfringens type c or c. difficile are frequently seen, we are not aware of any report describing combined infection by these two microorganisms in foals. we present here five cases of foal enterocolitis associated with c. difficile and c. perfringens type c infection. f ...	2011	22177970
prevalence of selected bacterial and parasitic agents in feces from diarrheic and healthy control cats from northern california.	background: bacterial and parasitic agents are commonly implicated as causes of diarrhea in cats, but there is a paucity of information evaluating epidemiological and prevalence factors associated with most of these organisms in cats. objectives: determine the prevalence of selected enteropathogens in diarrheic and nondiarrheic cats. animals: a total of 219 diarrheic and 54 nondiarrheic cats. methods: prospective study. fresh fecal specimens were submitted for centrifugation flotation, culture, ...	2011	22182203
enteric bacterial pathogen detection in southern sea otters (enhydra lutris nereis) is associated with coastal urbanization and freshwater runoff.	although protected for nearly a century, california's sea otters have been slow to recover, in part due to exposure to fecally-associated protozoal pathogens like toxoplasma gondii and sarcocystis neurona. however, potential impacts from exposure to fecal bacteria have not been systematically explored. using selective media, we examined feces from live and dead sea otters from california for specific enteric bacterial pathogens (campylobacter, salmonella, clostridium perfringens, c. difficile an ...	2010	19720009
undiagnosed cases of fatal clostridium-associated toxic shock in californian women of childbearing age.	in 2005, 4 clostridium sordellii-associated toxic shock fatalities were reported in young californian women after medical abortions. the true incidence of this rare disease is unknown, and a population-based study has never been performed. additional clostridia-associated deaths were sought to describe associated clinical characteristics.	2009	19628200
a persistent outbreak of ulcerative enteritis in bobwhite quail (colinus virginianus).	ulcerative enteritis is a disease that typically responds well to medication. an outbreak of ulcerative enteritis that was persistent and unresponsive to treatment is described. the outbreak started in semimature birds and progressively spread to younger birds. confounding factors leading to this persistence were a significant coccidosis problem, a feed mixing error, and suspected antibiotic resistance. although clostridium colinum was never isolated, a bacitracin-resistant clostridium perfringe ...	2008	18939648
salmonella spp., vibrio spp., clostridium perfringens, and plesiomonas shigelloides in marine and freshwater invertebrates from coastal california ecosystems.	the coastal ecosystems of california are highly utilized by humans and animals, but the ecology of fecal bacteria at the land-sea interface is not well understood. this study evaluated the distribution of potentially pathogenic bacteria in invertebrates from linked marine, estuarine, and freshwater ecosystems in central california. a variety of filter-feeding clams, mussels, worms, and crab tissues were selectively cultured for salmonella spp., campylobacter spp., escherichia coli-o157, clostrid ...	2006	16897302
clostridium perfringens outbreak at a juvenile detention facility linked to a thanksgiving holiday meal.		1997	9217460
outbreak of illness due to clostridium perfringens--california.		1981	6265752
foodborne disease in california with special reference to clostridium perfringens (welchii).		1962	14031861