IMMUNISATION OF CATTLE AGAINST VIBRIOSIS WITH VACCINES PREPARED FROM CAMPYLOBACTER FETUS SUBSP FETUS |
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| Authors: | B L Clark BVSc DipBact J H Dufty BVSc RDA Mary J Monsbourgh BSc |
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| Institution: | CSIRO Division of Animal Health, Animal Health Research Laboratory, Private Bag No. 1, P.O., Parkville, Victoria, 3052 |
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| Abstract: | Subcutaneous administration of vaccines prepared from cells of Campylobacter fetus subsp fetus strain A28 to heifers gave substantial protection against infertility due to C. fetus subsp venerealis strain B6. Strains A28 and B6 had different heat-stable antigens and conformed respectively to serotype B and serotype A of Berg et al (1971). The results suggested that the protective antigens were heat-labile antigens common to both strains. Although vaccines prepared from serotype B strains of C. fetus subsp fetus could be used to immunise cattle against vibriosis, the results did not suggest that their use in preference to those prepared from C. fetus subsp venerealis would offer any advantages. |
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