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Cited by 58Animal health and immunologyMicrobial infections and disease researchUltrasound in Clinical Applications

Short communication: Ultrasonographic assessment of lung consolidation postweaning and survival to the first lactation in dairy heifers

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Adams, E.A., Buczinski, S.·2016·Journal of Dairy Science
DOI 10.3168/jds.2015-10260
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Abstract

The aim of this prospective cohort study was to assess the association of systematic thoracic ultrasonography findings postweaning on calves' survivability to the first lactation. Three-month-old Jersey heifers (n=250) returning from a custom heifer grower were scanned by thoracic ultrasonography and lungs assessed using a scoring system with a scale from 1 to 4. A score of 1 was attributed to calves with no abnormality. A score of 2 was assigned if multiple comet tails or B-lines (coalescence of multiple comet tails) were observed. A score of 3 was assigned to calves with ≥1 location of lung consolidation ≥1 cm but <6 cm. Calves with extensive consolidation (≥6 cm in one or more locations) or evidence of abscessation or pleural effusion (>1 cm) were assigned a score of 4. Calves with a score of 4 had greater risk of dying or being culled [26% (95% credibility interval: 13-47%)] than calves with a score of 1 [1% (0-6%)], 2 [3% (1-9%)], or 3 [5% (1-17%)]. We found no association between age of first calving in the remaining calves and lung score. Thus, lung lesion severity assessed by thoracic ultrasound is associated with a long-term production outcome.

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  • Complementary diagnostic methods such as laboratory testing, imaging, molecular diagnostics, and biomarker tracking can offer additional support but are usually prohibitively expensive.

    “Complementary diagnostic methods such as laboratory testing, imaging, molecular diagnostics, and biomarker tracking can offer additional support but are usually prohibitively expensive [26,27,28,29,30,31,32,33,34,35].”

    From Strategies for Bovine Respiratory Disease (BRD) Diagnosis and Prognosis: A Comprehensive Overview (2024) · cites this paper as [30]

    The Short Communication (page not available) describes thoracic ultrasound as an objective diagnostic tool that can provide additional support in detecting bovine respiratory disease. It does not say that imaging is usually prohibitively expensive; instead, it says the examination takes two minutes, uses equipment already employed in the practice, and can be easily implemented on a commercial dairy farm. It does not address the costs of the other methods listed. (LLM, conf=0.85)

    Experimental — accuracy not yet measured

  • Distinguishing between active, treatable lung lesions and those resulting from prior, treatment-resistant conditions remains a significant challenge.

    “Distinguishing between active, treatable lung lesions and those resulting from prior, treatment-resistant conditions remains a significant challenge [30,148,149,150].”

    From Strategies for Bovine Respiratory Disease (BRD) Diagnosis and Prognosis: A Comprehensive Overview (2024) · cites this paper as [30]

    The Short Communication identifies distinguishing active from inactive lung lesions as an important unresolved step and links that distinction to whether calves could benefit from treatment. It describes the alternative as inactive lung scars without deleterious effects, not lesions resulting from treatment-resistant conditions; that part of the claim is unsupported. (LLM, conf=0.83)

    Experimental — accuracy not yet measured

  • TUS is limited by its inability to image the lung parenchyma above the heart in large beef calves due to their substantial size and muscle mass.

    “Nevertheless, the technique is limited by its inability to image the lung parenchyma above the heart in large beef calves due to their substantial size and muscle mass.”

    From Strategies for Bovine Respiratory Disease (BRD) Diagnosis and Prognosis: A Comprehensive Overview (2024) · cites this paper as [30]

    The Short Communication describes imaging lung cranial to the heart in three-month-old dairy heifers. It does not address whether substantial size or muscle mass prevents imaging above the heart in large beef calves; searches for that limitation found no passage addressing it. Page numbers were not available in our copy. (LLM, conf=0.75)

    Experimental — accuracy not yet measured

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Authors
Adams, E. A., & Buczinski, S.
Affiliations
  • Merck & Co., Inc., Rahway, NJ, USA (United States) (US)
  • Université de Montréal (CA)
Corresponding author
Adams, E.A.
ORCID
Buczinski, S.
Venue
Journal of Dairy Science
Publisher
American Dairy Science Association
Published
2016-02
Volume
99
Issue
2
Pages
1465-1470
ISSN
0022-0302 (ISSN-L)
DOI
10.3168/jds.2015-10260
OpenAlex
W2194228304
Cited by
58
References
20
Citations by year
2026: 3 · 2025: 10 · 2024: 5 · 2023: 6 · 2022: 9 · 2021: 9 · 2020: 6 · 2019: 2 · 2018: 3 · 2017: 5
FWCI
4.30
Type
journal article
Language
en
Open access
Licence
Locations
  • Journal of Dairy Science (publishedVersion)
  • PubMed (publishedVersion)
Funders
E.I. Medical
Topics
  • Health Sciences › Veterinary › Small Animals › Animal health and immunology
  • Life Sciences › Immunology and Microbiology › Microbiology › Microbial infections and disease research
  • Health Sciences › Medicine › Critical Care and Intensive Care Medicine › Ultrasound in Clinical Applications
Keywords
lung consolidation, thoracic ultrasound, dairy heifers, cometary tails, B-lines, pleural effusion, heifer culling, Jersey cattle, age at first calving
MeSH terms
Animals, Cattle, Cattle Diseases, Female, Lactation, Lung, Lung Diseases, Pleural Effusion, Prospective Studies, Ultrasonography, Weaning, Cohort Studies

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