Use of Mass Vaccination with a Reduced Dose of REV 1 Vaccine for Brucella melitensis Control in a Population of Small Ruminants |
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Authors: | Scharp DW Sultan Al Khalaf SA Al Muhanna MW Cheema RA Godana W |
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Institution: | (1) GRM International Pty Ltd, 288 Edward Street, Brisbane, Queensland, Australia;(2) Public Authority of Agriculture Affairs and Fish Resources, PO Box 21422, Safat, Kuwait |
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Abstract: | Mass vaccination with reduced dose 1/50 Rev 1 strain live vaccine (1–2 109 colony forming units), administered subcutaneously, over a four and a half year period reduced the prevalence of Brucella melitensis in Kuwait's small ruminant population from 5.8% in 1993 to 2.02% in 1997.Serological test results using the Rose Bengal Plate Test, Rivanol Agglutination Test and Complement Fixation showed no evidence of persistence of positive serology in animals nine or more months after vaccination. Questionnaires and post-vaccination flock inspections found that the effects on gestation (abortions) were minimal – and not proven to be due to the vaccine.The conclusion from these findings is that mass vaccination with reduced dose Rev 1 administered by the subcutaneous route is a practical field strategy for control of Brucella melitensis. |
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Keywords: | brucellosis control goats Kuwait sheep vaccine |
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