Journal article
Preparation and laboratory testing of a frozen vaccine containing Babesia bovis, Babesia bigemina and Anaplasma centrale
Research in Veterinary Science, Vol.32(2), pp.194-197
1982
Abstract
Procedures used to prepare and test frozen vaccine against bovine tick fever are described. Blood from splenectomised calves infected separately with Babesia bovis, Babesia bigemina and Anaplasma centrale was diluted in the ratio of 3:1 with 8 M dimethyl sulphoxide in phosphate buffered saline and cooled at rates between 5 degrees C and 110 degrees C per minute to -196 degrees C. After varying periods of storage up to 369 days, blood was thawed by immersing containers in a 40 degrees C water bath and its infectivity tested in a total of 150 nonsplenectomised cattle. Subcutaneous inoculation of the cryopreserved blood, and 10-fold and 50-fold dilutions prepared from it, showed that high infectivity of all three parasites was retained during storage. The use of frozen vaccine exported from Australia to Trinidad and Tobago is briefly discussed.
Details
- Title
- Preparation and laboratory testing of a frozen vaccine containing Babesia bovis, Babesia bigemina and Anaplasma centrale
- Authors
- L T Mellors (Author)R J Dalgliesh (Author)Peter Timms (Author)B J Rodwell (Author)L L Callow (Author)
- Publication details
- Research in Veterinary Science, Vol.32(2), pp.194-197
- Publisher
- Elsevier Ltd.
- Date published
- 1982
- DOI
- 10.1016/S0034-5288(18)32413-5
- ISSN
- 0034-5288
- Organisation Unit
- University of the Sunshine Coast, Queensland; Centre for Bioinnovation
- Language
- English
- Record Identifier
- 99449861502621
- Output Type
- Journal article
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