Economic impacts of Bovine alphaherpesvirus 1 infection in Brazil: Meta-analysis based on epidemiological indicators

Bruno Pajeú e Silva, Breno Bezerra Aragão, José Wilton Pinheiro Junior

Abstract


This study aimed to conduct a systematic review to estimate the economic impact of Bovine alphaherpesvirus 1 (BoAHV1) infection in Brazil using epidemiological indicators through a meta-analysis. Specific descriptors were used to retrieve studies from the Scopus, PubMed, Biblioteca Digital Brasileira de Teses e Dissertações, and Catálogo de Teses e Dissertações da Capes databases, selecting those that met the inclusion criteria established between the years 2000 and 2020. The selected studies were subjected to descriptive statistical analysis using prevalence data as the primary outcome with a 95% confidence interval (CI) with a meta-analysis of random effects and measures of heterogeneity, significance, magnitude of the effect, and measurement of publication bias. Abortion costs and estimates were calculated based on the prevalence of BoAHV1 infection in Brazil and the characteristics of the agent as viral subtypes that cause abortion, period of occurrence, average pregnancy rate, and morbidity applied to susceptible animals and animal replacement values. The results were obtained from 49 studies included for meta-analysis where a prevalence of BoAHV1 infection of 54.12% (95% CI: 49.07% - 59.26%) in the bovine population and 88.53% (95% CI: 82.97%–92.43%) was present. From the structured formula, it is estimated that 258,779 bovine abortions occur, which causes a total loss, based only on the occurrence of abortion, of US $ 48,402,244.00 to the country. It is noteworthy that because of the losses caused, strict control and eradication measures need to be implemented based on the elaboration of normative instruction that includes health education measures, vaccination, tests for traffic, and animal trade so that BoAHV1 infections do not continue to negatively impact national producers economically, productively, and socially.

Keywords


Systematic review; IBR; Abortion; Cost; Prevalence.

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References


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DOI: http://dx.doi.org/10.5433/1679-0359.2021v42n6p3355

Semina: Ciênc. Agrár.
Londrina - PR
E-ISSN 1679-0359
DOI: 10.5433/1679-0359
E-mail: semina.agrarias@uel.br
Este obra está licenciado com uma Licença Creative Commons Atribuição-NãoComercial 4.0 Internacional