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Risk Factors Associated with Animal Mortality During the Receiving Stage of Feedlot Cattle Production Systems
Guzmán-Olmos Diana Guadalupe1, Miguel Galarde-López2, Alonso-Díaz Miguel Ángel3
1Centro Nacional de Investigación Disciplinaria en Salud Animal e Inocuidad, Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias, Mexico City, Mexico.
Journal of Applied Animal Welfare Science : JAAWS
|January 22, 2026
Summary
Slipping during handling significantly increases feedlot cattle mortality. Optimizing unloading and handling processes, alongside implementing welfare practices, can reduce death rates in feedlot systems.
Area of Science:
- Veterinary Medicine
- Animal Science
- Agricultural Systems
Background:
- Mortality during the receiving stage of feedlot cattle is a key indicator of animal health, productivity, and welfare.
- Identifying risk factors is crucial for improving outcomes in feedlot production systems.
Purpose of the Study:
- To identify risk factors associated with mortality in feedlot cattle during the receiving stage.
- To analyze the impact of handling and infrastructure on cattle mortality.
Main Methods:
- A cohort study was conducted in feedlot cattle production systems in Queretaro, Mexico.
- An integrated checklist assessed transport, handling, and pen infrastructure.
- Descriptive, bivariate, and multivariate analyses were performed on data from 2263 animals.
Main Results:
- The overall mortality rate was 0.75% over an average receiving period of 24.9 days.
- Cattle lots where animals slipped during handling showed a significantly higher mortality risk (IRR 6.6, p=0.041).
Conclusions:
- Optimizing unloading and animal handling procedures is essential for reducing cattle mortality in feedlots.
- Implementing supervised welfare practices can further decrease mortality rates in feedlot cattle.
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