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A. J. TURNER M.V.Sc. Ph.D. L. KOVESDY Dip. Med. Lab. Tech. I. R. MORGAN B.V.Sc. M.P.V.M. 《Australian veterinary journal》1976,52(4):166-169
Ten viruses isolated from swabs and vesicular fluid collected from the teats of dairy cattle on 4 properties in Northern Victoria were identified as bovine herpes mammillitis (BHM) viruses by their physico-chemical and morphological properties and serological relationship to each other and a Scottish Strain of BHM virus. The viruses, isolated in bovine kidney and testicular cell cultures, produced cytopathic effects characterised by very large syncytia and eosinophilic intranuclear inculsion bodies. The intradermal inoculation of BHM virus into two cattle produced necrosis and ulceration of the skin of the teats about the area of inoculation and the development of serum neutralising antibody. After healing of the ulcers on day 37 after inoculation, the cattle were intravenously inoculated with corticosteroid for 6 days but BHM virus was not re-isolated from the teat skin or vaginal or nasal swabs. 相似文献
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Six pregnant heifers that were experimentally infected with bovine ephemeral fever virus produced normal calves. Foetuses of 8 heifers that were immune to bovine ephemeral fever were inoculated with bovine ephemeral fever virus. One was aborted after 36 days, but the cause of abortion could not be determined. One was sacrificed after 28 days. The foetus and its membranes were normal and neither virus nor antibody was demonstrated. The other 6 heifers produced normal calves. One calf, 501, inoculated after 160 days gestation, contained high levels of neutralising antibody in serum before ingestion of colostrum. The others, inoculated at gestational ages of 52 days to 157 days showed no evidence of neutralising antibody in blood samples collected at birth. 相似文献
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THE ISOLATION OF FOWL PLAGUE VIRUS IN VICTORIA 总被引:1,自引:0,他引:1
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THE ISOLATION OF NEWCASTLE DISEASE VIRUS IN QUEENSLAND 总被引:6,自引:0,他引:6