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Nine piglets, 2-5 months old and weighing 12-15 kg were infected percutaneously with 5000 to 6000 cercariae of Schistosoma japonicum. Three similar piglets which were not infected served as controls. Infected animals were necropsied at 5, 10, 30, 40, 59, 90, 120, 150 and 180 days post-infection (PI)...
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A mortality event primarily affecting freshwater drum Aplodinotus grunniens was noted during April and May 2005 in the Bay of Quinte, Lake Ontario, Canada. A conservative estimate of the number of dead drum was approximately 100 metric tonnes. Large numbers of dead round goby Neogobius melanostomus ...
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One-to-70-day-old specific-pathogen-free chickens were infected with rotaviruses isolated from chickens, turkeys, and pheasants. Chicks infected at 1 or 7 days of age remained largely free of infection: virus could be isolated from a few chicks of these ages, but virus antigen could not be detected ...
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Age-related susceptibility patterns of turkeys, broilers, and specific pathogen-free (SPF) White Leghorn chickens to experimentally induced infection with turkey or chicken rotavirus isolates were compared. The following determinants were evaluated: clinical signs, onset and duration of virus produc...
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Various age groups of turkeys, White Leghorn chickens, and broiler chickens were inoculated with turkey rotavirus strain Tu-2 or with chicken rotavirus Ch-2, and the development of rotavirus-induced lesions were evaluated macroscopically and microscopically (light microscopy and scanning electron mi...
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A herpesvirus antigenically related to equine herpesvirus type 1 (EHV-1) was cultured from the brain of a 2-year-old camel that exhibited clinical signs of severe neurological disease before death. Microscopic lesions in the brain included a non-suppurative meningoencephalitis with vasculitis and lo...
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Rotaviruses were isolated from intestinal contents obtained from flocks of turkey poults and pheasant poults with diarrhea and from different age groups of chickens showing various signs of intestinal disorders. The incorporation of 5 micrograms trypsin/ml in the inoculum and medium was essential fo...