Publications

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emergence of porcine epidemic diarrhea virus in the united states: clinical signs, lesions, and viral genomic sequences.during the 10 days commencing april 29, 2013, the iowa state university veterinary diagnostic laboratory received the first 4 of many submissions from swine farms experiencing explosive epidemics of diarrhea and vomiting affecting all ages, with 90-95% mortality in suckling pigs. histology revealed severe atrophy of villi in all segments of the small intestines with occasional villus-epithelial syncytial cells, but testing for rotaviruses and transmissible gastroenteritis virus (alphacoronavirus ...201323963154
a survey of agents associated with neonatal diarrhea in iowa swine including clostridium difficile and porcine reproductive and respiratory syndrome virus.this survey was undertaken to determine the relative frequency of agents that are currently associated with neonatal diarrhea in swine, including clostridium difficile and porcine reproductive and respiratory syndrome virus (prrsv). the subjects for this study were the first 100 live 1-7-day-old piglets submitted to the iowa state university veterinary diagnostic laboratory with a clinical signalment of diarrhea, beginning on january 1, 2000. the evaluation of each pig included bacterial culture ...200212152806
evaluation of rotavirus infection and diarrhea in iowa commercial pigs based on an epidemiologic study of a population represented by diagnostic laboratory cases.group a, b, and c rotaviruses were identified in 9% (96/1,048) of pig fecal specimens submitted to the iowa state university veterinary diagnostic laboratory during 1987 and 1988. six of the rotaviruses were group b, 5 were group c, and the remaining 89% were group a. of the rotavirus cases with more than 1 serotype, 5 were multiple group a serotypes, 1 involved a group a and b serotype, and 1 included 2 group c serotypes. a retrospective epidemiologic evaluation of pig diarrhea in herds of orig ...19947858020
identification of porcine transmissible gastroenteritis virus in house flies (musca domestica linneaus).transmissible gastroenteritis (tge) virus was detected in house flies (musca domestica linneaus) by staining with specific fluorescent antibody. the flies were collected within a swine confinement facility in which tge was enzootic. laboratory-reared flies were infected experimentally with tge virus and the virus was recovered from the insects for 72 hours after infection. the tge virus was identified both by the fluorescent antibody technique and by isolation in cell culture. the nature of plaq ...19836316821
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