Optimum date for cessation of Strain 19 vaccination
The national brucellosis eradication campaign in New Zealand has been a major and very successful undertaking by the Veterinary profession. Final steps must now be taken to ensure that the country can be declared free of bovine brucellosis at the earliest appropriate date, with confidence that the declaration is soundly based. The profession must therefore reach agreement on how best to complete the campaign, and then make sure that the farming community is fully informed on the decisions, and the reasons for them. Probably the single most critical issue is the way in which Strain 19 vaccination of heifers is phased out as a control measure. Since worldwide experience on this point is limited, it is not surprising that opinions within New Zealand differ on the correct timing. After discussing the matter with a number...
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Document Type: Regular Paper
Publication date: 01 October 1986