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The Use of Traditional Fear Tests to Evaluate Different Emotional Circuits in Cattle

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Wearable Technology for Feedyard Safety.

Sarah Tucker¹, Cheryl L Beseler¹, Jill Oatman²

¹Department of Environmental, Agricultural, and Occupational Health, College of Public Health, University of Nebraska Medical Center, Omaha, NE, USA.

Journal of Agromedicine

|October 21, 2025

Summary

This summary is machine-generated.

Cattle feedyard workers face heat stress risks. Wearable devices issued heat warnings starting at 78°F, enabling proactive breaks and hydration to prevent heat illness and lost work time.

Keywords:

Agriculture feedyard heat stress management safety wearables

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Area of Science:

Occupational Health
Environmental Health
Wearable Technology

Background:

Cattle feedyard workers are highly susceptible to heat stress due to prolonged outdoor work in hot, humid conditions.
Heat-related illnesses can lead to significant lost work time and pose serious health risks.

Purpose of the Study:

To evaluate the effectiveness of wearable technology in monitoring heat warnings for cattle feedyard workers.
To identify the temperature threshold at which heat warnings are triggered to inform workplace heat stress management strategies.

Main Methods:

The MākuSafe wearable device monitored heat warnings in 15 cattle feedyard workers from June to September 2023.
Segmented logistic regression and the Pseudo Score Test were used to analyze the relationship between temperature and heat warnings, identifying critical temperature thresholds.

Main Results:

A statistically significant changepoint for heat warnings was identified at 78°F.
Worker role and hours worked did not significantly influence the probability of receiving a heat warning.

Conclusions:

Wearable devices can provide timely heat warnings at relatively low temperatures (78°F), aiding in proactive heat stress management for feedyard workers.
Implementing these warnings can help protect worker health and prevent heat-related occupational illnesses.