Results 201 to 210 of about 38,570 (247)
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Structural Proteins of Bovine Viral Diarrhea Virus
American Journal of Veterinary Research, 1975SUMMARY A procedure for the purification of radioactively labeled bovine viral diarrhea virus was critically evaluated. Purification of virus from artificial mixtures of unlabeled infected and labeled noninfected cells indicated that the extent of purification was approximately 100-fold with respect to host proteins.
R F, Pritchett, Y C, Zee
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The persistence of bovine viral diarrhea virus
Biologicals, 2003Bovine viral diarrhoea virus (BVDV) has a unique capacity to cause persistent infections of foetuses exposed within the first 150 days of gestation. Preventing foetal BVDV infection will aid in improved control. This unique ability gives BVDV a selective advantage allowing continual mutation and antigenic variation within cattle populations. Therefore,
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Immunogens of bovine viral diarrhea virus
Veterinary Microbiology, 1993Bovine viral diarrhea virus (BVDV) is a ubiquitous pathogen of cattle that induces economically important diseases affecting multiple organ systems. In the United States, over 150 biological products are licensed for control of BVDV. These products contain live or killed BVDV, and many products contain other viruses or bacteria. Potency tests for these
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Immunology of Bovine Viral Diarrhea Virus
Veterinary Clinics of North America: Food Animal Practice, 1995Often persistent and primary postnatal infections with BVDV result in immunosuppression in cattle, thereby enhancing the vulnerability of the latter to secondary infections. The evidence for and nature of impaired immunity in these animals is reviewed. Our knowledge of the extent and nature of protective immunity induced by natural BVDV infections and ...
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2019
Bovine viral diarrhea (BVD) is prevalent worldwide and causes high economic losses in cattle due to a variety of disease syndromes. BVD is caused by three bovine pestiviruses, bovine viral diarrhea virus 1 (BVDV-1), BVDV-2 and HoBi-like pestivirus (HoBiPeV) with considerable genetic and antigenic heterogeneity.
Niranjan Mishra, S. Kalaiyarasu
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Bovine viral diarrhea (BVD) is prevalent worldwide and causes high economic losses in cattle due to a variety of disease syndromes. BVD is caused by three bovine pestiviruses, bovine viral diarrhea virus 1 (BVDV-1), BVDV-2 and HoBi-like pestivirus (HoBiPeV) with considerable genetic and antigenic heterogeneity.
Niranjan Mishra, S. Kalaiyarasu
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Biosecurity and biocontainment of bovine viral diarrhea virus
Veterinary Clinics of North America: Food Animal Practice, 2004Infection of cattle with BVDV results in a variety of clinical illnesses costly to the cattle industry worldwide. The reservoir and primary source of transmission is cattle born PI with BVDV after transplacental infection in early gestation. It is a challenge to determine with certainty whether or not BVDV is circulating among a herd of cattle.
David R, Smith, Dale M, Grotelueschen
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Immunologic Response of Bovine Fetus to Bovine Viral Diarrhea Virus
American Journal of Veterinary Research, 1973SUMMARY Intraperitoneal inoculation of a cytopathogenic strain of bovine viral diarrhea-mucosal disease (bvd-md) virus, National Animal Disease Laboratory (NADL) strain, was performed in bovine fetuses at different stages of development to study their immunologic response to this virus. Results of morphologic, immunochemical, and serologic examinations
R K, Braun, B I, Osburn, J W, Kendrick
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Bovine viral diarrhea virus genomic organization
1991In previous work, we developed a preliminary description of the genetic organization of the prototypic pestivirus bovine viral diarrhea virus (BVDV). In order to refine this genetic map and to further elucidate the gene products and expression strategy of this virus, we have generated a broad panel of sequence-specific antibody reagents.
M S, Collett +3 more
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American Journal of Veterinary Research, 1985
SUMMARY Nine steers persistently infected with noncytopathic bovine viral diarrhea (bvd) virus were allotted into 3 groups (3 cattle/group). Cattle in group A were vaccinated with a modified-live bvd virus vaccine of porcine cell origin, cattle in group B with a modified-live bvd virus vaccine of bovine cell origin, and cattle in group C with a killed ...
S R, Bolin +3 more
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SUMMARY Nine steers persistently infected with noncytopathic bovine viral diarrhea (bvd) virus were allotted into 3 groups (3 cattle/group). Cattle in group A were vaccinated with a modified-live bvd virus vaccine of porcine cell origin, cattle in group B with a modified-live bvd virus vaccine of bovine cell origin, and cattle in group C with a killed ...
S R, Bolin +3 more
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Veterinary Microbiology, 1997
The National Animal Disease Laboratory (NADL) vaccine strain of bovine viral diarrhea virus (BVDV) genes for gp48 and p80 were expressed in Escherichia coli. The BVDV-NADL gene for gp62 was integrated into a baculovirus genome for expression in Spodoptera frugiperda (Sf-9) insect ovarian cells. The antigenicity of baculovirus expressed BVDV protein was
J R, Reddy +7 more
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The National Animal Disease Laboratory (NADL) vaccine strain of bovine viral diarrhea virus (BVDV) genes for gp48 and p80 were expressed in Escherichia coli. The BVDV-NADL gene for gp62 was integrated into a baculovirus genome for expression in Spodoptera frugiperda (Sf-9) insect ovarian cells. The antigenicity of baculovirus expressed BVDV protein was
J R, Reddy +7 more
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