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AbstractFull Text

Bovine respiratory disease (BRD) is a complex multifactorial and multi-etiological disease entity that is responsible for the morbidity and mortality particularly in feedlot cattle from North America. Information relative to the occurrence of BRD in Brazil and the associated infectious agents are...

Author(s)
Headley, S. A.; Balbo, L. C. de; Alfieri, A. F.; Saut, J. P. E.; Baptista, A. L.; Alfieri, A. A.
Publisher
Universidade Estadual de Londrina, Londrina, Brazil
Citation
Semina: Ciências Agrárias (Londrina), 2017, 38, 1, pp 283-293
Abstract

In this study, nasopharyngeal swabs (Swab) and bronchoalveolar lavage fluids (BALF) were collected from 50 Japanese black cattle diagnosed with severe chronic pneumonia, and identification of the causative bacteria of pneumonia and its antibiotic susceptibilities were investigated. Mycoplasma bovis ...

Author(s)
Kuramae, T.; Ishikawa, S.; Hayashi, J.; Tsumagari, K.; Otomaru, K.; Hobo, S.
Publisher
Japan Veterinary Medical Association, Tokyo, Japan
Citation
Journal of the Japan Veterinary Medical Association, 2020, 73, 1, pp 31-36
Abstract

Bovine respiratory disease complex (BRDC) is a multifactor disease, and disease incidence may be associated with an animal's commensal bacterial populations (microbiome) in the upper nasal cavity. Identifying these commensal bacterial populations in the upper nasal cavity may help us to understand...

Author(s)
McDaneld, T. G.; Kuehn, L. A.; Keele, J. W.
Publisher
American Society of Animal Science, Savoy, USA
Citation
Journal of Animal Science, 2018, 96, 4, pp 1281-1287
Abstract

It is generally accepted that as bovine respiratory disease (BRD) develops, bacterial pathogens first proliferate in the nasopharynx and then colonize the lungs, leading to bronchopneumonia. However, such temporal changes have never been definitively demonstrated. Therefore, the objective was to...

Author(s)
McMullen, C.; Alexander, T. W.; Orsel, K.; Timsit, E.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Veterinary Microbiology, 2020, 248,
Abstract

We investigated the occurrence of infectious pathogens during an outbreak of bovine respiratory disease (BRD) in a beef cattle feedlot in southern Brazil that has a high risk of developing BRD. Nasopharyngeal swabs were randomly collected from steers (n=23) and assessed for the presence of...

Author(s)
Headley, S. A.; Okano, W.; Balbo, L. C.; Marcasso, R. A.; Oliveira, T. E.; Alfieri, A. F.; Negri Filho, L. C.; Michelazzo, M. Z.; Rodrigues, S. C.; Baptista, A. L.; Saut, J. P. E.; Alfieri, A. A.
Publisher
Sage Publications, Thousand Oaks, USA
Citation
Journal of Veterinary Diagnostic Investigation, 2018, 30, 2, pp 249-251
Abstract

BRD is associated with infectious agents, but management and transport-stress are trigger factors. Metaphylactic administration of antimicrobial reduces colonization of respiratory tract by pathogens, but the development of antibiotic-resistance raises public health concerns leading to propose new...

Author(s)
Pratelli, A.; Cirone, F.; Capozza, P.; Trotta, A.; Corrente, M.; Balestrieri, A.; Buonavoglia, C.
Publisher
Elsevier Ltd, Oxford, UK
Citation
Research in Veterinary Science, 2021, 135, pp 450-455
Abstract

The bovine nasopharyngeal tract plays an important role in animal health and welfare by acting as a site for the carriage of pathogens causing bovine respiratory disease, a condition which results in significant morbidity and mortality in feedlot cattle. We characterized the bacterial ...

Author(s)
Holman, D. B.; Timsit, E.; Alexander, T. W.
Publisher
Nature Publishing Group, London, UK
Citation
Scientific Reports, 2015, 5, 1, pp 15557
AbstractFull Text

The bovine respiratory disease complex (BRDC) is multifactorial and results from interactions between host factors, environmental factors, and pathogens. A virus, as an initial pathogen alters the animal's immunity supporting the bacterial colonization of the lower respiratory tract. Bovine...

Author(s)
Nišavić, J.; Milić, N.; Radalj, A.; Aleksandar Stanojković; Veljović, L.
Publisher
Institute for Animal Husbandry, Belgrade, Serbia
Citation
Biotechnology in Animal Husbandry, 2021, 37, 1, pp 1-15
Abstract

While the nasopharyngeal (NP) microbiota is believed to be a key player in bovine respiratory health, there is limited published information about the change of NP microbiota associated with clinical recovery from bovine respiratory disease (BRD). The objective of this study was to evaluate the...

Author(s)
Zeineldin, M.; Lowe, J.; Aldridge, B.
Publisher
Frontiers Media S.A., Lausanne, Switzerland
Citation
Frontiers in Veterinary Science, 2020, 6, February,
Abstract

The composition of the bacterial flora in the calf nasopharynx might influence the risk of bovine respiratory disease (BRD). The aims of the present study were, firstly, to investigate the prevalence of bacteria potentially involved in BRD in the nasopharynx of veal calves and to identify...

Author(s)
Schönecker, L.; Schnyder, P.; Schüpbach-Regula, G.; Meylan, M.; Overesch, G.
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Preventive Veterinary Medicine, 2020, 185,

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