Brucellosis in Central America
2002
Moreno, E.
Brucellosis is a disease of domestic animals and humans in Central America (CA). Bovine and swine brucellosis caused by Brucella abortus and Brucella suis, respectively, have been identified in all CA countries, while ovine and caprine brucellosis caused by Brucella melitensis has been detected in Guatemala. The prevalence of bovine brucellosis is estimated between 4 and 8%, with higher prevalence in dairy herds, with losses calculated at US$ 25 million per year. National Control Programs based in calf vaccination and removal of the reactors have had little impact in the control of brucellosis in CA. In a region where experimentation with new vaccines is not affordable, unrestricted adult vaccination by the conjunctival route with S19 is recommended. This strategy is expected to reduce the prevalence and density of the bacteria to numbers where "clean" vaccination would be possible. Thereafter, serological identification and elimination of the reactors could be initiated under more favorable conditions of herd infection.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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