Evaluation of reticulorumen temperature boluses for the diagnosis of subclinical cases of bovine respiratory disease in feedlot cattle
Open accessAbstract
Bovine respiratory disease (BRD) is the most important and costly health issue of the feedlot industry worldwide. Remote monitoring of reticulorumen temperature has been suggested as a potential tool to improve the diagnostic accuracy of BRD. The present study aimed to evaluate 1) the difference and degree of reticulorumen hyperthermia episodes between healthy and subclinical BRD feedlot steers, and 2) determine the correlation between reticulorumen hyperthermia and lung pathology, performance, and carcass traits. Mixed-breed feedlot steers (n = 148) with a mean arrival weight of 321 ± 3.34 kg were administered a reticulorumen bolus at feedlot entry and monitored for visual and audible signs of BRD until slaughter when lungs were examined and scored for lesions indicative of BRD. Post-slaughter animals with no record of BRD treatment were assigned to one of three case definitions. Healthy steers had no visual or audible signs of BRD (i.e., CIS=1), and total lung consolidation score 0.05). The reticulorumen bolus technology appears promising for detection of subclinical BRD cases in feedlot cattle as defined by lung pathology at slaughter.
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The current literature lacks evidence to confirm the effectiveness of the reticulorumen bolus diagnostic approach or the associated treatment protocols.
“The current literature lacks evidence to confirm the effectiveness of this diagnostic approach or the associated treatment protocols [79].”
From Strategies for Bovine Respiratory Disease (BRD) Diagnosis and Prognosis: A Comprehensive Overview (2024) · cites this paper as [79]
The reticulorumen bolus method has shown promise as a diagnostic tool for identifying subclinical BRD, as indicated by pulmonary abnormalities discovered during postmortem examinations.
“The reticulorumen bolus method has shown promise as a diagnostic tool for identifying subclinical BRD, as indicated by pulmonary abnormalities discovered during postmortem examinations.”
From Strategies for Bovine Respiratory Disease (BRD) Diagnosis and Prognosis: A Comprehensive Overview (2024) · cites this paper as [79]
Cites
Timsit, E., Assié, S., Quiniou, R., Seegers, H., & Bareille, N. (2011) · The Veterinary Journal · doi:10.1016/j.tvjl.2010.09.012 · Cited by 120 · see citing works
Self-citationTimsit, E., Dendukuri, N., Schiller, I., & Buczinski, S. (2016) · Preventive Veterinary Medicine · doi:10.1016/j.prevetmed.2016.11.006 · Cited by 112 · see citing works
Self-citationTimsit, E., Bareille, N., Seegers, H., Lehebel, A., & Assié, S. (2011) · Journal of Animal Science · doi:10.2527/jas.2011-3892 · Cited by 42 · see citing works
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Strategies for Bovine Respiratory Disease (BRD) Diagnosis and Prognosis: A Comprehensive Overview
Kamel, M. S., Davidson, J. L., & Verma, M. S. (2024) · Animals · doi:10.3390/ani14040627 · Cited by 76 · see citing works
“The current literature lacks evidence to confirm the effectiveness of this diagnostic approach or the associated treatment protocols [79].”
Background
- Authors
- Flattot, E. A.-L., Batterham, T. R., Timsit, E., White, B. J., McMeniman, J. P., Ward, M. P., & González, L. A.
- Affiliations
- The University of Sydney (AU)
- Innovation Department, CEVA Santé Animal, Libourne 33500, France
- Kansas State University (US)
- Meat & Livestock Australia (AU)
- Corresponding author
- Flattot, Emilie A-L
- Venue
- Journal of Animal Science
- Publisher
- Oxford University Press (OUP)
- Published
- 2021-11-12
- Volume
- 99
- Issue
- 12
- ISSN
- 0021-8812 (ISSN-L)
- 1525-3163
- PMC
- PMC8668176
- OpenAlex
- W3212146459
- Cited by
- 4
- References
- 3
- Citations by year
- 2026: 2 · 2025: 1 · 2024: 1
- FWCI
- 0.18
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Licence
- academic.oup.com/journals/pages/open_access/funder_policies/chorus/standard_publication_model (vor)
- Locations
- Journal of Animal Science (publishedVersion)
- PubMed Central (publishedVersion)
- PubMed (publishedVersion)
- The Sydney eScholarship Repository (The University of Sydney) (submittedVersion)
- Topics
- Life Sciences › Immunology and Microbiology › Microbiology › Microbial infections and disease research
- Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Effects of Environmental Stressors on Livestock
- Health Sciences › Veterinary › Small Animals › Animal health and immunology
- Keywords
- feedlot steers, remote patient monitoring, lung consolidation, pleurisy, carcass characteristics, feedlot performance, case definition, carcass weight, carcass fat thickness, carcass yield, carcass composition, carcass grading
- MeSH terms
- Animals, Cattle, Lung, Phenotype, Respiratory Tract Diseases, Temperature, Bovine Respiratory Disease Complex
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