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Assessment of an Aujeszky’s disease control strategy in a highly prevalent pig farm based on systematic vaccination with an inactivated gE-negative marker vaccine

Aujeszky's disease (AD) is endemic in Argentina. In 2016, an inactivated gE- negative marker Bartha K61 vaccine (AUSKIPRA® BK) was launched for use, making Argentina the only country to carry out a control strategy plan with it. In the present article, we describe the results of a control program in...

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Main Authors: Aznar, Maria Natalia, Bessone, Fernando Aníbal, Segurado, Rodrigo, Duffy, Sergio
Format: info:ar-repo/semantics/artículo
Language:Inglés
Published: Frontiers Media 2022
Subjects:
Aujeszky’s Disease
Vaccination
Control Methods
Swine
Inactivated Vaccines
Enfermedad de Aujeszky
Vacunación
Métodos de Control
Argentina
Cerdo
Vacuna Inactivada
Online Access:http://hdl.handle.net/20.500.12123/12028
https://www.frontiersin.org/articles/10.3389/fvets.2022.852650/full
https://doi.org/10.3389/fvets.2022.852650
Summary:Aujeszky's disease (AD) is endemic in Argentina. In 2016, an inactivated gE- negative marker Bartha K61 vaccine (AUSKIPRA® BK) was launched for use, making Argentina the only country to carry out a control strategy plan with it. In the present article, we describe the results of a control program in a farrow-to-finishing farm with high initial AD prevalence (33% in sows), based on the systematic vaccination, detection, and elimination of seropositive pigs, the replacement of sows with vaccinated gilts, and the instauration of artificial insemination. The program was suitable for diminishing the incidence and the prevalence at levels consistent with virus eradication. This situation has been sustained over time. This is the first report of AUSKIPRA® BK efficacy under field conditions.

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