2017
DOI: 10.22456/1679-9216.79387
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Abstract: Background: Infections are caused by Bovine Viral Diarrhea Virus and still continue to be a worldwide plague in cattle industry. It is responsible for sudden death syndromes in adult cattle with high mortality rates, abortions, acute gastrointestinal and respiratory diseases. The BVDV infection occurs in early pregnancy (40-142 days), in immunosuppressed females or cows results in 100% of persistently infected (PI) calves that are seronegative and asymptomatic at birth. Evidences suggests that BVDV contributes… Show more

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Cited by 5 publications
(6 citation statements)
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“…Disease, United States, 2016-2018 with secondary infections (M. bovis, bovine viral diarrhea virus, and H. somni) were also detected in samples ICV4, ICV16, ICV18, and ICV20 (11)(12)(13). These results suggest that ICV is associated with bovine respiratory disease in cattle.…”
Section: Influenza C Virus In Cattle With Respiratorymentioning
confidence: 74%
“…Disease, United States, 2016-2018 with secondary infections (M. bovis, bovine viral diarrhea virus, and H. somni) were also detected in samples ICV4, ICV16, ICV18, and ICV20 (11)(12)(13). These results suggest that ICV is associated with bovine respiratory disease in cattle.…”
Section: Influenza C Virus In Cattle With Respiratorymentioning
confidence: 74%
“…Prior selection of heifers was initiated by animals aged 15-24 months (n=35), seronegative for both BVDV-1 (NADL) and BoHV-1 (Los Angeles) viruses, according to the virus neutralization test (VN), (OIE 2015). Exclusion of persistently infected animals (PIs) was conferred by reverse transcriptase reaction followed by a polymerase chain reaction to BVDV (RT-PCR), according to Basqueira et al (2017). All heifers remained during the experimental period under extensive management in Brachiaria Brizantha cv.…”
Section: Methodsmentioning
confidence: 99%
“…Flores et al (2000) identified genotypes and subgenera through phylogenetic analysis of 17 BVDV isolates, with 23.5% of genotype 1a (BVDV-1a), 52.9% of genotype 1b (BVDV-1b) and 23.5% genotype 2 (BVDV-2). It is noteworthy that herds that use commercial formulations containing only BVDV-1 are more susceptible to BVDV-2 infections (Basqueira et al 2017).…”
mentioning
confidence: 99%
“…In August 2013, the etiological cause of bovine respiratory disease (BRD) was investigated for ten young heifers. Two of these animals were positive in transtracheal wash for BVDV as detected by RT-PCR [24]. Between 2013 and 2015, BVDV was confirmed for some cases of fetal infection by the detection of serum BVDV antibody in calves before colostrum intake.…”
Section: Introductionmentioning
confidence: 84%