Results 201 to 210 of about 28,098 (249)
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Propagation of Bovine Viral Diarrhea Viruses in Bovine Fetal Lung Cell Cultures
American Journal of Veterinary Research, 1975SUMMARY A procedure to prepare and maintain bovine fetal lung (bfl) cell cultures was established. These cell cultures grew abundantly and readily and were easy to handle. Monolayers could be kept in satisfactory condition in maintenance medium for 14 days.
L, Goldsmit, E, Barzilai
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Natural recombination in bovine viral diarrhea viruses
1994BVDV isolates exist as two biotypes differentiated at the molecular level by production of a p80 polypeptide. Insertions consisting of host cell sequences and/or duplicated and rearranged viral sequences have been observed in the portion of the genome coding for the p80 polypeptide in some, but not all, cytopathic BVDV.
J F, Ridpath +3 more
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Antigenic variations in bovine viral diarrhea viruses detected by monoclonal antibodies
Journal of Clinical Microbiology, 1990Five murine monoclonal antibodies (MAbs) against the NADL strain of bovine viral diarrhea (BVD) virus were developed, identified, and characterized. Four of the MAbs were directed against a 53-kilodalton (kDa) viral protein, and one was specific to a 47-kDa polypeptide. Competitive radioimmunoassay showed that two MAbs were specific to related epitopes
W, Xue, F, Blecha, H C, Minocha
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American Association of Bovine Practitioners Conference Proceedings, 1992
The purpose of the present study therefore, was to determine whether the clinical response to BVDV infection might be altered by the intervention of other viral infections affecting cattle, such as those induced by infectious bovine rhinotracheitis (IBR), parainfluenza-3 (PI-3) viruses, and bovid herpesvirus-4 (BHV-4).
G, Castrucci +3 more
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The purpose of the present study therefore, was to determine whether the clinical response to BVDV infection might be altered by the intervention of other viral infections affecting cattle, such as those induced by infectious bovine rhinotracheitis (IBR), parainfluenza-3 (PI-3) viruses, and bovid herpesvirus-4 (BHV-4).
G, Castrucci +3 more
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The Contribution of Infections with Bovine Viral Diarrhea Viruses to Bovine Respiratory Disease
Veterinary Clinics of North America: Food Animal Practice, 2010The contribution of bovine viral diarrhea viruses (BVDV) to the development of bovine respiratory disease is the sum of several different factors. These factors include the contribution of acute uncomplicated BVDV infections, the high incidence of respiratory disease in animals persistently infected with BVDV, the immunosuppression that accompanies ...
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Differences in virulence between two noncytopathic bovine viral diarrhea viruses in calves
American Journal of Veterinary Research, 1992Summary A noncytopathic bovine viral diarrhea virus (bvdv), bvdv-890, isolated from a yearling heifer that died with extensive internal hemorrhages, was compared for virulence in calves with noncytopathic bvdv-TGAN, isolated from an apparently healthy persistently infected calf. After challenge exposure with bvdv-890, nonimmune calves (n = 7) developed
S R, Bolin, J F, Ridpath
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Studies on genetic diversity of bovine viral diarrhea viruses in Danish cattle herds
Virus Genes, 2013Scandinavian countries have successfully pursued bovine viral diarrhea virus (BVDV) eradication without the use of vaccines. In Denmark, control and eradication of BVDV were achieved during the last two decades, but occasionally new BVDV infections are detected in some Danish cattle herds.
Abdou, Nagy +3 more
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Bovine Viral Diarrhea Viruses (BVDV) in Beef Breeding Herds and Feedlots
American Association of Bovine Practitioners Conference Proceedings, 2007Bovine viral diarrhea viruses (BVDV) represent significant pathogens in cattle affecting several organ systems, particularly involving the respiratory tract and fetal infections. The principal reservoir of BVDV is the persistently infected (Pl) animal. The PI cattle are born to susceptible heifers/cows exposed during pregnancy, carried to term, and are
Fulton, Robert W. +5 more
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Journal of Virological Methods, 2013
A new, reliable and secure virus assay method, named the competitive virus assay (CVA) method, has been established for the titration of bovine viral diarrhea viruses (BVDVs) that either show the exaltation of Newcastle disease virus (END) phenomenon or heterologous interference phenomenon (but not the END phenomenon).
Mahmod, Muhsen +4 more
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A new, reliable and secure virus assay method, named the competitive virus assay (CVA) method, has been established for the titration of bovine viral diarrhea viruses (BVDVs) that either show the exaltation of Newcastle disease virus (END) phenomenon or heterologous interference phenomenon (but not the END phenomenon).
Mahmod, Muhsen +4 more
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Phylogenetic analysis of bovine viral diarrhea viruses using five different genetic regions
Virus Research, 2004Phylogenetic analysis of the five different regions (5' non-coding region (5'NCR), N(pro), E2, NS3 and NS5B-3'NCR) of 48 Japanese and reported bovine viral diarrhea virus (BVDV) genomes was performed. Japanese BVDVs were segregated into BVDV1 subdivided into six subgroups and BVDV2.
Makoto, Nagai +8 more
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