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This research aims to evaluate the effects of maternal bovine appeasing substance on feedlot performance and carcass characteristics of yearling beef steers.

May 21, 2026Applied Animal ScienceOpen Access

Evaluation of the maternal bovine appeasing substance administered at arrival and time of reimplant on feedlot performance and carcass characteristics of yearling beef steers

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Authors

CLCarsten L. LosekeUniversity of Nebraska–Lincoln TJTate S. JohnsonUniversity of Nebraska–Lincoln GEGalen E. EricksonUniversity of Nebraska–Lincoln

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Randomized trial evaluates mBAS effects on performance, health, and carcass traits in beef steers, suggesting modest efficiency benefits.

Key Points

This research aims to evaluate the effects of maternal bovine appeasing substance on feedlot performance and carcass characteristics of yearling beef steers.
1,754 crossbred steers with an initial body weight of 424 kg received mBAS or placebo during initial processing and reimplant.
Treatments were applied topically at two sites on the steers.
Health outcomes, hair cortisol concentrations, and carcass characteristics were assessed after a 167-day feeding period.
Dry matter intake and average daily gain (ADG) did not differ between treatments.
Carcass-adjusted gain-to-feed (G:F) improved for the mBAS group, but only modestly.
Dressing percent tended to be higher with mBAS, though other carcass characteristics were similar.

Cite This Study

Loseke et al. (2026) studied this question.

synapsesocial.com/papers/6a0ea074be05d6e3efb5f3bf https://doi.org/10.15232/aas.2025-02786

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Evaluation of the maternal bovine appeasing substance administered at arrival and time of reimplant on feedlot performance and carcass characteristics of yearling beef steers

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Key Points

Cite This Study

Evaluation of the maternal bovine appeasing substance administered at arrival and time of reimplant on feedlot performance and carcass characteristics of yearling beef steers

Discussion

Member takes

Implication

Key Points

Cite This Study

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