A longitudinal study of the dynamics of bovine corona virus and respiratory syncytial virus infections in dairy herds

The objective of this study was to examine the dynamics of bovine corona virus (BCV) and bovine respiratory syncytial virus (BRSV) infections in dairy herds over a 3-year period. The status of 79 dairy herds located in two Northern and two Southern Regions of Sweden were surveyed by measuring antibo...

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Autores principales: Ohlson, A., Alenius, S., Tråvén, M., Emanuelson, U.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Elsevier Ltd. 2013
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7110841/
https://www.ncbi.nlm.nih.gov/pubmed/23481616
http://dx.doi.org/10.1016/j.tvjl.2013.01.028
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author Ohlson, A.
Alenius, S.
Tråvén, M.
Emanuelson, U.
author_facet Ohlson, A.
Alenius, S.
Tråvén, M.
Emanuelson, U.
author_sort Ohlson, A.
collection PubMed
description The objective of this study was to examine the dynamics of bovine corona virus (BCV) and bovine respiratory syncytial virus (BRSV) infections in dairy herds over a 3-year period. The status of 79 dairy herds located in two Northern and two Southern Regions of Sweden were surveyed by measuring antibody concentrations to BCV and BRSV in pooled milk samples from primiparous cows, and in bulk-tank milk twice annually. In the Southern Regions the percentage of antibody-positive herds remained persistently high (75–100%), whereas in herds based in the Northern Region, the percentage of positive herds for BCV and BRSV was 38–80% and 0–80%, respectively, with antibody levels to BRSV decreasing over time. Pooled milk samples of ‘home-bred’ primiparous animals were found to be most useful in terms of monitoring herd status but could gradually be replaced by bulk-tank sampling once freedom from infection was established.
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spelling pubmed-71108412020-04-02 A longitudinal study of the dynamics of bovine corona virus and respiratory syncytial virus infections in dairy herds Ohlson, A. Alenius, S. Tråvén, M. Emanuelson, U. Vet J Article The objective of this study was to examine the dynamics of bovine corona virus (BCV) and bovine respiratory syncytial virus (BRSV) infections in dairy herds over a 3-year period. The status of 79 dairy herds located in two Northern and two Southern Regions of Sweden were surveyed by measuring antibody concentrations to BCV and BRSV in pooled milk samples from primiparous cows, and in bulk-tank milk twice annually. In the Southern Regions the percentage of antibody-positive herds remained persistently high (75–100%), whereas in herds based in the Northern Region, the percentage of positive herds for BCV and BRSV was 38–80% and 0–80%, respectively, with antibody levels to BRSV decreasing over time. Pooled milk samples of ‘home-bred’ primiparous animals were found to be most useful in terms of monitoring herd status but could gradually be replaced by bulk-tank sampling once freedom from infection was established. Elsevier Ltd. 2013-08 2013-03-05 /pmc/articles/PMC7110841/ /pubmed/23481616 http://dx.doi.org/10.1016/j.tvjl.2013.01.028 Text en Copyright © 2013 Elsevier Ltd. All rights reserved. Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.
spellingShingle Article
Ohlson, A.
Alenius, S.
Tråvén, M.
Emanuelson, U.
A longitudinal study of the dynamics of bovine corona virus and respiratory syncytial virus infections in dairy herds
title A longitudinal study of the dynamics of bovine corona virus and respiratory syncytial virus infections in dairy herds
title_full A longitudinal study of the dynamics of bovine corona virus and respiratory syncytial virus infections in dairy herds
title_fullStr A longitudinal study of the dynamics of bovine corona virus and respiratory syncytial virus infections in dairy herds
title_full_unstemmed A longitudinal study of the dynamics of bovine corona virus and respiratory syncytial virus infections in dairy herds
title_short A longitudinal study of the dynamics of bovine corona virus and respiratory syncytial virus infections in dairy herds
title_sort longitudinal study of the dynamics of bovine corona virus and respiratory syncytial virus infections in dairy herds
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7110841/
https://www.ncbi.nlm.nih.gov/pubmed/23481616
http://dx.doi.org/10.1016/j.tvjl.2013.01.028
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