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Review
. 2020 May 31;12(6):600.
doi: 10.3390/v12060600.

Bovine Viral Diarrhea Virus: Recent Findings about Its Occurrence in Pigs

Luís Guilherme de Oliveira  1 , Marina L Mechler-Dreibi  1 , Henrique M S Almeida  1 , Igor R H Gatto  2
Affiliations
Review

Bovine Viral Diarrhea Virus: Recent Findings about Its Occurrence in Pigs

Luís Guilherme de Oliveira et al. Viruses. .

Abstract

Bovine viral diarrhea virus (BVDV) is an important pathogen belonging to the Pestivirus genus, Flaviviridae family, which comprises viral species that causes an economic impact in animal production. Cattle are the natural host of BVDV and the main source of infection for pigs and other animal species. Due to its antigenic and genetic similarity with other important pestiviruses such as Classical Swine Fever Virus (CSFV), several studies have been conducted to elucidate the real role of this virus in piglets, sows, and boars, not only in the field but also in experimental infections, which will be discussed in this paper. Although BVDV does not pose a threat to pigs as it does to ruminants, the occurrence of clinical signs is variable and may depend on several factors. Therefore, this study presents a survey of data on BVDV infection in pigs, comparing information on prevalence in different countries and the results of experimental infections to understand this type of infection in pigs better.

Keywords: BVDV; experimental infection; natural infection; pigs.

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Conflict of interest statement

The authors declare no conflict of interest. At the time the studies were conducted, IRHG was part of the Graduate Program in Veterinary Medicine at the School of Agricultural and Veterinarian Sciences, and started working at Ourofino Animal Health after completing his Ph.D.

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