What does this research mean for the field?

Specific origin, performance, and health metrics—including sex, days on feed, shipping weight, and average daily gain—are significantly associated with the prevalence and severity of liver abscesses in beef-on-dairy cattle at harvest. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To evaluate the associations of origin, performance, and health metrics with the prevalence and severity of liver abscesses at harvest in beef-on-dairy cattle.

August 24, 2026Translational Animal ScienceOpen Access

Association of origin, performance, and health metrics of beef-on-dairy feedyard cattle with liver abscess at harvest

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Authors

RBRebecca A. Bigelow PLPhillip A. Lancaster BWBrad J. White

Discussion

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Overview

Observational study reveals performance and origin risk factors for liver abscesses in beef-on-dairy cattle, indicating potential targets for feedyard mitigation strategies.

Key Points

To evaluate the associations of origin, performance, and health metrics with the prevalence and severity of liver abscesses at harvest in beef-on-dairy cattle.
Analyzed feedyard and harvest data across two retrospective cohort datasets (Dataset 1, n = 330 cohorts; Dataset 2, n = 386 cohorts).
Scored liver outcomes using the Elanco liver scoring system in Dataset 1 (total, severe, severe+, and severe proportion) and a three-category classification in Dataset 2 (abscessed, condemned, and adhered).
In Dataset 1, sex, days on feed, average shipping weight, percentage of cohort railed, and cattle origin were significantly associated with total and severe liver abscess outcomes.
In Dataset 2, average daily gain, harvest quarter, average shipping weight, and origin were associated with total abscessed and condemned livers, while sex was the only factor associated with liver adhesions.

Cite This Study

Bigelow et al. (2026) studied this question.

synapsesocial.com/papers/6a8c00d0bca056c88e6dfd9b https://doi.org/10.1093/tas/txag132

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August 24, 2026Translational Animal ScienceOpen Access

Association of origin, performance, and health metrics of beef-on-dairy feedyard cattle with liver abscess at harvest

View Full Paper

Ask AI

Bookmark

Authors

RBRebecca A. Bigelow PLPhillip A. Lancaster BWBrad J. White

Discussion

Member takes

Overview

Observational study reveals performance and origin risk factors for liver abscesses in beef-on-dairy cattle, indicating potential targets for feedyard mitigation strategies.

Key Points

To evaluate the associations of origin, performance, and health metrics with the prevalence and severity of liver abscesses at harvest in beef-on-dairy cattle.
Analyzed feedyard and harvest data across two retrospective cohort datasets (Dataset 1, n = 330 cohorts; Dataset 2, n = 386 cohorts).
Scored liver outcomes using the Elanco liver scoring system in Dataset 1 (total, severe, severe+, and severe proportion) and a three-category classification in Dataset 2 (abscessed, condemned, and adhered).
In Dataset 1, sex, days on feed, average shipping weight, percentage of cohort railed, and cattle origin were significantly associated with total and severe liver abscess outcomes.
In Dataset 2, average daily gain, harvest quarter, average shipping weight, and origin were associated with total abscessed and condemned livers, while sex was the only factor associated with liver adhesions.

Cite This Study

Bigelow et al. (2026) studied this question.

synapsesocial.com/papers/6a8c00d0bca056c88e6dfd9b https://doi.org/10.1093/tas/txag132

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