Cited by 49Microbial infections and disease researchAnimal health and immunologyEffects of Environmental Stressors on Livestock

Herd-level prevalence of the ultrasonographic lung lesions associated with bovine respiratory disease and related environmental risk factors.

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Buczinski, S., Borris, M.E., Dubuc, J.·2018·Journal of Dairy Science

Abstract

Bovine respiratory disease complex (BRD) is a major calf disease during the preweaning period. Thoracic ultrasound (TUS) has been recently described as a reliable tool for assessing BRD-associated lung lesions. The objectives of this study were to define the herd-level prevalence of lung consolidation assessed by TUS (CONSTUS). A total of 39 Québec dairy herds were randomly chosen to participate in this cross-sectional study. Between 6 and 12 preweaned calves were examined for signs of CONSTUS defined by any site with ≥3 cm consolidated lung tissue during 1 visit in summer and 1 visit in winter. Herd questionnaire focused on calf health and housing data [airborne bacteria (aerobic, coliform, yeasts and mold counts), air drafts, temperature, hygrometry, and ammonia levels] were also collected during these visits looking for potential association with CONSTUS prevalence. The median herd-level of CONSTUS prevalence (interquartile range) were 8% (0-22%) in summer and 15% (0-35%) in winter. Multivariable analyses showed that season was associated with an increased CONSTUS prevalence [10.0 vs. 19.3%; odds ratio (OR) = 2.16], as well as group housing during preweaned period (9.6 vs. 20.0%; OR = 2.37) and perceived BRD problem by the farmer (10.6 vs. 18.3%; OR = 1.89). Despite tremendous changes in calves' environment between winter and summer, none of the housing variables were associated with the CONSTUS prevalence in this study. Based on the observed CONSTUS prevalence ranges in the present study (herds in the lower prevalence quartile), an achievable goal of none of 12 calves with consolidation ≥3 cm can potentially be used to define a low-BRD risk herd.

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Crossref · 10.3168/jds.2017-13459

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  • Respiratory diseases, especially bovine respiratory disease, have a high incidence (up to 17%) at veal farms during the entire fattening period.

    “Respiratory diseases, and especially bovine respiratory disease, have been shown to have a high (up to 17%) incidence at the veal farms during the entire fattening period (Pardon et al., 2013”

    From Effects of pretransport diet, transport duration, and type of vehicle on physiological status of young veal calves. (2020) · cites this paper as Buczinski et al., 2018

    The Results report ultrasonographic lung-lesion prevalence in preweaning dairy calves, not respiratory-disease incidence at veal farms over the fattening period. Searches for veal-farm incidence, 17%, and Pardon et al. (2013) found no passage in our copy supporting that claim. The printed citing sentence names Pardon et al., not Buczinski. (LLM, conf=0.76)

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Authors
Buczinski, S., Borris, M. E., & Dubuc, J.
Affiliations
Université de Montréal (CA)
Corresponding author
Buczinski, S.
Venue
Journal of Dairy Science
Published
2018-03
Volume
101
Issue
3
Pages
2423-2432
ISSN
0022-0302 (ISSN-L)
OpenAlex
W2778825011
Cited by
49
References
35
Citations by year
2026: 3 · 2025: 5 · 2024: 4 · 2023: 10 · 2022: 4 · 2021: 12 · 2020: 7 · 2019: 2 · 2018: 2
FWCI
2.44
Type
journal article
Language
en
Open access
Locations
  • Journal of Dairy Science (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Zoetis
  • Université de Montréal
Topics
  • Life Sciences › Immunology and Microbiology › Microbiology › Microbial infections and disease research
  • Health Sciences › Veterinary › Small Animals › Animal health and immunology
  • Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Effects of Environmental Stressors on Livestock
Keywords
bovine respiratory disease, lung consolidation, thoracic ultrasound, pre-weaned calves, herd prevalence, calf housing, group housing, seasonal variation, dairy herds, environmental risk factors, ammonia, airborne bacteria, coliform bacteria
MeSH terms
Animals, Cattle, Cross-Sectional Studies, Environmental Microbiology, Female, Lung, Male, Quebec, Risk Factors, Seasons, Ultrasonography, Prevalence, Odds Ratio, Bovine Respiratory Disease Complex

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